wisno furniture finishing

Black Finish for Wood: Elegant, Modern, and Timeless

noreply@blogger.com (Unknown) — Tue, 16 Jun 2026 13:32:07 +0000

Black wood finishing is a popular color in interior and furniture design. The resulting look not only gives an elegant impression but also a modern, minimalist, and even luxurious look. A black finish will give a sophisticated and bold impression to the product. Black finishes on wood can be applied to various types of products, from furniture like tables, chairs, and cabinets to architectural products like wall panels, flooring, and other wood products.

Types of black finishes on wood

Despite the similarity of their names, black finishes actually come in many varieties. There are many types of black pigments, such as carbon black, lampblack, jetblack, dropblack, and others, each with its own distinct black nuance. If black is created using dye, there are even more types of black colors available. Coupled with the characteristics of wood and the varying application techniques, all of these produce a wide variety of black colors for wood.

In general, black can be classified into several types: solid black, solid antique, transparent black, washed black, and others. Below, I will discuss each type of black finish and how to develop them.

Solid black (opaque black finish)

A solid black finish is a black finish that conceals the underlying wood surface. This color is created using a base coat or black enamel stain that completely covers the base color of the wood. This finish generally creates a closed grain pattern and wood pores. This color is often used on products with minimalist designs and simple, modern shapes.

For a solid black color with close pores, the basic process is as follows:

Filler if needed
Black base coat
Black base coat
Sealer or Black Base coat
Top coat or Enamel

Black solid antique

This color is created using a base coat stain that covers the base color of the wood but with an antique finish. The base coat color will cover the base color of the wood, but on woods with deep grain and pores, the texture of the pores and grain is still visible. In some cases, the grain and pores are enhanced with a rustic or wire-brushing process. Some physical distress can be added if needed to make a more antique and aged look.

To enhance the appearance of the wood's grain and pore characteristics, a glaze can be added. A white or gray glaze will fill in the grain and pore texture, creating a more vibrant and antique appearance.

Black base coat or black stain
Physical distress (if needed)
Sealer
Glaze
Sealer
Top coat

Black washed

Solid black can also be created with a rubbed-off, peeled-off, or washed-off finish. This finish is created by applying a base coat to the wood surface, followed by removing the black paint in several areas to mimic worn, weathered, or even peeled-off black paint.

The finishing process is as follows:

Physical distress (if necessary)
Black base coat
Sand trough, washed off, or peeled off
Sealer
Glaze
Sealer
Top coat

Transparent black

This black color is created using black stain, resulting in a blend of the base wood color and the stain applied over it. Often, the resulting color is not truly black but rather dark brown or brownish black. The resulting color may not be jet black, as it blends with the base wood color underneath. This finish is usually followed by the application of glaze, resulting in a more antique and natural color while still showcasing the wood's character.

Sap stain and equalizer stain
Wood stain (body stain)
Sealer
Glaze
Sealer
Top coat

The advantages of black finish

Timeless

Black generally conveys a strong and timeless character; products in black give an elegant, strong, and timeless impression.

Neutral

Black is also a neutral color that can be paired with many other colors. A single piece of black furniture can become the center of attention, projecting luxury and elegance around the surrounding colors. Black can also be applied to furniture in a variety of styles, from modern minimalist, classic, and country styles to rustic ones.

Luxurious and Expensive Impression

Black on the right product will convey a luxurious and expensive impression, especially when applied to products with the right style. A clean, solid black color, high gloss, or matte will add a special touch to products with simple and minimalist designs.

Antique or transparent black styles will convey a graceful, elegant impression without leaving a sense of old and historic.

Disadvantages of the black color finish

Despite its advantages, black finishes also have several disadvantages that must be anticipated if you want to develop this color.

Easily visible dirt or scratches

A solid, clean black color presents the greatest challenges. The slightest dirt, scratches, or imperfections on the surface will be very visible. This is especially true when using an extreme gloss finish, such as full gloss or dead matt gloss.

Color Consistency

Although black can absorb other colors, this doesn't mean it's free from the problem of inconsistency in the final finish. Transparent black is formed by combining the base wood color with the stain color. It's also affected by the wood's porosity. Therefore, ensure proper use of sap stain and equalizer to ensure a uniform base color before applying wood stain to the entire surface.

For solid colors, be sure to use the right color pigment. There are many black pigments, each with its own distinct undertones. Therefore, be sure to use a stain with the same color pigment for all products to achieve consistent color.

Ensure you apply a sufficient thickness of color so that the base coat or enamel you apply completely covers the base color of the wood. At least two base coat applications are required to ensure complete coverage.

Tips for the black finishing process

The wood preparation

Surface preparation is crucial for all wood finishes. Any high-quality finish requires thorough surface preparation, especially for black finishes, which will clearly reveal any problems. Surface preparation for wood begins with sanding. Ensure the sanding is done correctly to create a smooth, even surface. If rusticating, rocking, nailing, wire brushing, or other distressing processes are used, ensure the wood is sanded again to achieve a smooth, even surface.

More thorough preparation is required, with a straighter finish, if the finish is a clean, clean black. Any imperfections in unfinished wood will be more visible with this black color than with other colors. Ensure the surface is thoroughly sanded to ensure it is even and smooth. Any workmanship issues, such as dents, gaps, or cracks, must be addressed before the finishing process is started.

The right finishing material

Black finishes are generally more susceptible to issues affecting the strength and durability of the finish layer, such as scratches, form marks, print marks, etc. Therefore, it's best to use a strong finishing material for this black finish. For antique black finishes, use transparent or antique black finishes with glaze, and if the black color is not too strong, minor problems with the finish layer can be masked by the existing antique color. However, for solid black finishes with a thick film, a strong and hard thermosetting finishing material such as PU, UV, or AC is required.

Black usually requires a strong finishing material; even the slightest scratch or marring in the finish layer will be very visible. Therefore, it is highly recommended to use a strong and scratch-resistant finishing material (PU, UV or AC), all of which require detailed and precise application. NC or water-based finishing can be used if the desired finish is not too thick and the product does not require high durability.

The right finishing process

In addition to material selection, the correct application process is also required. Ensure each material is applied correctly according to the correct process standards. Follow the mixing, drying time, and application instructions carefully. Sand according to the technical instructions for the finishing material used.

With this finishing method, black requires a very precise process. Any application problems, such as spots, dust, stains, or uneven color, will be very visible in the final finish. Any problems with the unfinished surface preparation will be very visible in the final finish.

Antique or transparent black colors may not be as complicated as clean, even black, but they still require proper application and material selection.

Care and maintenance

Products with black colors must be properly cared for. Black tends to easily become dirty when exposed to stains or dirt. Clean the finished surface properly according to the instructions for the finishing material used.

Choosing the right product

Although black is a neutral color and can be used for many types of products, not all products can be finished in black. Overly dominant black in a room will make the room appear dark and intimidating. Black is more suitable for products that will be the center of attention in a room, such as furniture or decorative elements.

Black furniture is more suitable for products with appropriate shapes and designs, such as modern minimalist, classic, simple Scandinavian, and Japandi. Black furniture is also often used in combination with other colors, such as wood brown or other solid colors.

Water-Based Finishing Systems for Wood: Advantages and Disadvantages

noreply@blogger.com (Unknown) — Sat, 16 May 2026 14:54:20 +0000

A water-based finishing system is a wood finishing system that uses water-based finishing materials. This system uses water-based stains, water-based coatings, glazes, and other water-based finishing materials. This system is gaining popularity because it is considered more environmentally friendly than conventional finishing systems that use solvent-based materials. Water-based is also considered the finishing solution for the world's future, which desires a clean and healthy environment.

Advantages of a Water-Based Finishing System

Environmentally friendly

Unlike solvent-based systems, which always emit solvent vapors, water-based coatings produce much lower solvent emissions. While water-based systems still use solvents, they are released into the environment at very low levels. Therefore, the solvent produced by a water-based finishing system can be considered non-existent. This makes the finishing room and its environment safer and healthier. This makes it an ideal choice for the modern furniture industry, especially in developed countries that require strict health standards.

Safer, less risk of fire

One of the biggest dangers in the wood finishing industry is the risk of fire. Solvents, thinners, and solvent-based finishing materials are flammable. Even the smallest spark that comes into contact with a finishing material can quickly spread into a devastating fire. Furthermore, the wood industry is home to many dry wood products, which are also highly flammable. The combination of solvent-based finishing and dry wood creates a very high fire hazard.

Water-based finishing systems that use water-based thinners are much safer than solvent-based finishing. Water, the main component of finishing materials, is non-flammable. The use of water-based finishing significantly reduces the risk of fire in the finishing room to a minimal level.

Wide choices for colors and appearances

Finishing material technology is now very advanced, with numerous innovations developed to meet the demands of the wood industry. Water-based finishing materials are widely available and can be used relatively easily with increasing quality. Many types of water-based finishing materials are available to meet the needs of the wood industry in terms of color, appearance, strength, and performance.

Easy in application

Most water-based finishes are designed to be as easy to apply as solvent-based materials. These materials dry quickly, are easy to use, and are readily available on the market. This makes it even easier for the woodworker and wood finisher to use these finishes.

antique brown oak finish

Disadvantages of Water-based Finishes

Sensitive to environmental conditions

Water-based finishing materials use water as a thinner, so the drying process occurs through its water evaporation. This water evaporation process is highly dependent on room conditions, especially temperature and humidity. When the air humidity and temperature are in ideal conditions, the coating can dry quickly and easily. However, when conditions are less than ideal, the drying process can be disrupted, resulting in a difficult and lengthy drying process. Less than ideal room conditions can even affect the quality of the film layer and the color of the finish. Therefore, it is highly recommended to equip the finishing room with an adequate oven to control the temperature and humidity.

Ideal room conditions can vary depending on the type of coating used, but generally, the ideal temperature is around 25°C to 35°C, and humidity is between 60% and 80%. If the temperature is too cold or hot, or if the humidity is too high or too low, the coating drying process can be disrupted.

Wood grain raising

Water naturally moistens the wood surface and causes the grain to rise more than solvents. Therefore, water-based coatings tend to roughen the wood surface due to the raised grain. Therefore, water-based coatings require more precise sanding, both in preparation for the unfinished wood and when sanding the coats during the finishing process.

Imperfect of inter-coating layers bonding

Water-based finishing cannot dissolve the coating layer beneath it; therefore, this coating requires a slightly different application method. Spray applications cannot be too wet; excessively wet spray can cause the coating to melt and sag on the surface. Besides the spray method, the sanding process is crucial. Sanding is necessary not only to create a smooth and even surface but also to create the scratches needed to strengthen the bond between the coating layers. Therefore, sanding water-based coating layers must be done properly, ensuring the entire surface is sanded using the correct grade of sandpaper. Mistakes in the sanding process not only result in an imperfect appearance but can also affect the strength and adhesion of the finishing layer.

Tendency to have a cloudy appearance

Water-based coatings will have a slightly different appearance than solvent-based ones. In general, water-based coatings tend to produce a slightly cloudy appearance. The thicker the coating film layer, the cloudier it appears. Therefore, a water-based system is not particularly suitable for finishing with thick films and transparent colors. Solid-color finishes with high film may still be achieved with water-based coatings, but with careful consideration of the drying and sanding processes, which require time and precise detail.

Water-based Finishing Process

Wood Filler

Wood filler is a material that fills the pores and grain of wood. This wood filler is necessary if you want a finish with closed pores. Wood filler is applied evenly to the wood surface using a brush, roller, rag, or scraper, depending on the type of wood filler used. Ensure the wood filler fills all pores and grain evenly, as incompletely filled pores and grain can lead to problems in subsequent finishing processes, such as open pores and grain, bubbles, and pinholes, which are very difficult to repair in subsequent finishing processes.

Sand thoroughly to remove any filler adhering to the surface. Ensure the filler remains only within the pores and grain of the wood and does not remain on the surface. Filler remaining on the wood surface will affect the appearance of the finish and its adhesion.

Stain

Stain is a material that colors wood. This stain is needed if you want a finishing color that differs from the wood's natural color. Stain is not necessary if the desired finishing color is the wood's natural color. There are two types of stain: woodstain (stain for transparent colors) and stain for solid colors, as well as base coat, primer, and enamel. Stain can be applied by spray, brush, or roller, depending on the type of stain used. Ensure the stain is applied correctly according to the desired color and is dry before continuing.

Sanding Sealer

Sanding sealer is a material that forms a film layer and produces a smooth surface when finished. This sanding sealer also serves to protect the stain, glaze, and filler applied underneath. There are several types of water-based sealers that will determine the appearance and strength of the finishing layer. Sanding sealer is generally applied by spray, although other application methods such as brush, roller, curtain coater, etc. are also possible.

Apply the sanding sealer evenly to the surface, wait for it to dry, and then sand thoroughly before continuing with the next process.

Glaze

Glaze is a stain applied between clear coats. For more details, please see our previous article, Glaze for Wood Finishing.

Water-based glaze is widely available, as is solvent-based glaze. Apply the water-based glaze according to the desired color and appearance. Ensure the glaze is dry before applying a sealer or top coat.

Top coat

A top coat is a finishing material that provides protection for the finish underneath and also creates a gloss. Water-based topcoats are generally applied over a finely sanded sealer. Thoroughly prepare the surface before applying the top coat. The sealer layer must be thick enough and thoroughly sanded to create a smooth, even surface. Apply the topcoat thoroughly and allow it to dry completely to create an even, smooth, and strong film. Avoid applying a top coat that is too thick, as it tends to produce a cloudy appearance. One or two top coat applications should be sufficient if the underlying surface has been properly prepared.

Tips for applying a water-based finishing system

The application of a water-based coating system is essentially the same as that of a solvent-based one. However, it's important to understand that water-based finishing materials have slightly different characteristics. Therefore, it requires slightly different application techniques. Here are some things to consider for successful water-based finishing applications.

Use good-quality material

Material quality is a crucial factor in determining the quality of the finishing result, as using good materials is crucial for producing good results. Choose high-quality material and the right type according to the needs and strength of the desired finishing layer. There are several types of water-based finishes designed for various finishing applications, such as indoor water-based, outdoor water-based, heat-resistant water-based, solvent-based, etc. Choose the right finishing materials according to the desired finishing quality specifications.

Correct application process

Proper application is required to produce a finish with the desired quality, color, and appearance. Make sure you create a step panel to achieve the desired color and appearance, and then follow each step in the step panel. Pay attention to application techniques, such as spraying method (application), drying time, sanding process, mixing method, etc., correctly.

Wood preparation

Finishing layers should not be used to address problems with the unfinished product. To produce a high-quality product, proper preparation of the raw material must begin. Ensure the raw wood product is dry according to the required MC standards. Wet wood will complicate the drying process of the finishing layer, especially since water-based materials use water as a thinner. Wet wood will also invite many problems, such as coating that doesn't dry properly, cloudy colors, mold on the surface, and even construction issues like splitting, warping, etc.

Ensure the surface is smooth, clean, and tidy, free of scratches, dirt, dents, and other untidy problems that will degrade the quality of the finish.

Oven for the finishing room

The drying process for water-based material occurs due to the evaporation of water from the coating layer into the surrunding air. This drying process is easily disrupted in humid and cold conditions; therefore, it is highly recommended to equip the finishing room with an oven. An oven is a tool that functions to control the conditions in the finishing room. In hot and dry conditions, the drying process can proceed smoothly, but in cold or humid conditions, an oven is needed to control and maintain the ideal temperature and conditions for the material drying.

Cracked Finishing Layer Problems in Wood Finishes: Causes and Solutions

noreply@blogger.com (Unknown) — Wed, 15 Apr 2026 14:18:00 +0000

Cracked finish layer is a condition when there are cracks in the film or coating layer. The cracks could be very subtle hairline cracks to large and wide cracks. These cracks can appear immediately after the finish dries, within hours, days, or even months after the product is in use. Cracks that appear immediately when the layer dries mean there is a problem in the finishing system or material. The cracks that appeared after long time, may be caused by low durability of the finishing layer or too extreme abuses that overcome the ability of the finishing layer

No matter what kind of cracks, cracks are a serious problem that degrades the quality of the finish. Here in this post, I will explore and share about cracks' problems, the causes, how to prevent them, and how to repair them.

crack at the coating

The causes of cracked problem

- Too thick of coating layer

Some cases of the crack problem are caused by too-thick coating application. A normal layer of coat will need time to dry according to its drying time. But when the coat is applied too thickly, it requires a longer drying time, much more than the normal layer, and it will continue to dry until it is completely dry. Meanwhile, the drying process is always accompanied by a volumetric shrinkage of the coating. If this shrinkage exceeds the acceptable volume of the film, cracking will occur in the finishing layer.

Therefore, it is highly recommended to avoid applying too thick a layer of coat in a single application. Apply the finishing material at a reasonable thickness according to the manufacturer's recommendations. To build a thick film, you need to apply the coating several times. Apply 1 coat in the recommended thickness, let it dry completely, sand thoroughly, and then apply the next coat. This process may take time, but it will reduce the risk of cracking.

- Too thick a finishing layer

Even when the coat has been applied according to recommendations and each layer has dried within its designated drying time, the finishing layer can still crack if the overall film thickness is too high. Even when the coating layer has dried during the finishing process, the drying process is still ongoing, albeit very slowly. If the film layer in a finishing coat is very thick, shrinkage can be significant, leading to cracking.

Therefore, avoid applying excessively thick finishing coats to wood. Choose the right finishing material based on the characteristics and capabilities of the coat. NC and water-based coats are not recommended for creating high-build film finishes. Generally, the recommended film thickness for NC, acrylic, and single-component coatings is no more than 4 mils. For thick film finishes, you can use thermosetting coatings such as PU, AC, and UV, which are still safe up to 10 mils of finishing film thickness. For thicker finishes, it's best to use casting resins like PE or epoxy, which can coat surfaces with a film layer up to several mms thick.

crack at the whit paint

- Low-quality coating

The performance of a finishing coat is highly determined by the quality of the materials used. A low-quality coat can certainly lead to cracking in the film. Therefore, use good-quality coating and finishing materials and follow the application and mixing process according to the instructions and technical data for each finishing material.

- Improper mixing

A high-quality coat can become inferior if not used and handled properly. Proper mixing is a crucial factor in maintaining coat quality. For single-component materials mixed with solvents, ensure the coat is mixed with the solvent according to specifications, in the correct ratio. For two-component materials that are prone to chemical reactions, proper mixing is very important to ensure the materials react properly and produce the properties that meet product specifications.

- Too fast drying

Each finishing material requires a specific amount of time to dry and achieve the desired strength. This drying time often presents a constraint in the production process when high production speeds are desired. Therefore, several tricks are often used, including adjusting the drying room temperature, using an oven, and adjusting the thinner mixture. However, drying too quickly can risk problems due to incomplete drying in the inside part that leads to the crack problem.

If you want to speed up the drying process, make sure it's done correctly. Be sure to use methods and techniques recommended by the coating manufacturer. It's best to test the resulting film to ensure the resulting finishing layer performs well

- Improper application

We often combine finishing applications with a combination of coats. For example, NC coats with water-based, PU, AC, or other coatings. If you do that, make sure you do the proper combination; the wrong coat combination can lead to problems, including cracking. The basic rule is never layering the thermoplastic coating with the reaction coating. For more detailed information about this issue, you can read our other post: the combination of coatings in 1 finishing system.

- Problems with substrate movement

Generally, finishing film coats surfaces up to 10 mills (10/1000 in) thick, or approximately 0.254 mm, which is a very thin layer. Therefore, the coating film layer will not be able to withstand movement or dimensional changes of its underlying substrate. If movement or cracking occurs in the substrate, the coating film layer will certainly crack as well.

Therefore, ensure the underlying substrate is stable and does not experience movement when the finishing process begins. Ensure the wood is completely dry according to the standard moisture content (MC) for the wood product. Make sure the construction has proper settings to minimize the risk of wood movement. Using engineered wood such as plywood, MDF, or laminated wood for big and wide panels is recommended to reduce the risk of wood movement. Coat both sides of the wood surface to prevent water absorption from its environment to keep the moisture content (MC) of the wood.

For the casting finish, a thicker film layer can be generated (up to several mm), so slight wood movement may still be resisted by this film layer. However, keeping the product dimension stable is highly recommended for every wood product.

crack from the wood

- Extreme environmental conditions

Finishing layers, however, have limitations. If they are subjected to physical treatment beyond their capabilities, they can be damaged. If the finished product is exposed to extreme conditions such as excessive temperature changes, excessive heat, or extreme cold, the finish layer can crack and break.

Therefore, understand and recognize each type of coat, learn their respective strengths, and choose the most suitable coating for the product's intended use. An NC coat, for example, offers the best appearance but isn't weatherproof, making it unsuitable for outdoor products. Likewise, other types of coating have their own strengths and durability requirements, which must be understood. Conduct the necessary tests to determine the strength limits of each finishing material to ensure you choose the most appropriate finish for your needs.

How to repair a cracked finish

The cracks' problem when it happens is quite difficult to repair, especially when it occurs in the product. The easiest way to repair a cracked finish layer is to completely remove the finish layer and recoat. Touch-up processes to repair the damaged areas are very difficult in practice. In some cases, cracked finishes can be cleaned by sanding and then recoating.

If the crack is caused by the substrate movement, then the substrate must be fixed first. Correct the construction; fix the gap, crack, in the substrate; and make sure there are no more moving parts before doing the refinishing.

Combination of some types of coating in a finishing process

noreply@blogger.com (Unknown) — Mon, 13 Apr 2026 14:14:00 +0000

Basically, the finishing process involves the application of two types of finishing materials: stain to form color and coating to form a film layer. There are several types of coatings available to form a film layer on wood finishes, such as NC, PU, melamine, UV, vinyl, polyester, acrylic, and water-based, each with its own advantages and disadvantages. Ideally, a finishing process should use only one type of coating because each layer will blend perfectly, ensuring a safe system. However, there are some situations where a specific color and finish appearance require a combination of several types of coating to achieve the desired color and appearance. Using these various types of finishing materials can be a better option as long as it is done correctly. Here in this post, I will share tips and tricks for completing the finishing process with several types of finishing materials in one finishing system.

Wood Stain Application

Wood stain is a thin, color-forming material primarily used to color wood and create transparent colors. The main components of wood stain are pigment and thinner, with a small amount of binder. Woodstain doesn't form a film, so it can be used in a variety of combinations without significantly affecting the performance of the resulting film as long as it's completely dry.

Wood stains can be divided into three types based on their solvent type: solvent-based, oil-based, and water-based. It is very important to make sure every layer of wood stain is completely dry; no solvent remains on the surface when the next coating is applied. This issue may not be very crucial when you use the same type of thinner for the stain and coating. For example, if you use the waterbase stain with the waterbase coating or the solvent base stain in the solvent base coating system, the coating and the stain will release the same solvent and dry together.

But when you use different solvents for the stain and the coating, then the drying of the stain is very important. When you apply a water-based or oil-based stain in the solvent-based coating, then make sure the stain has dried completely; no oil or water remains on the surface when it is layered with the next coating. The oil or water cannot solve the coating; it can be trapped between the coating layers and affect the fusion of the coating layers and lead to coating problems such as adhesion issues, coating cracking, and other issues related to the strength and durability of the finishing layer.

For simple information about the wood stain application, you can view the infographic image below

Glaze Application

Glaze is a stain applied between coats. Glazes come in only two solvent types: oil-based and water-based. Oil-based solvent glaze is generally designed to be applied together with solvent-based coatings. Water-based glaze, on the other hand, is designed to be applied with water-based coatings. In theory, water-based glazes can be applied in the water-based coating system, as long as the glaze is completely dry before being layered by the coating. However, in practice, this is rarely done due to application difficulties. Water-based glaze tends to dry fast and is more difficult to be applied than oil-based glazes. Applying water-based glazes over solvent-based coatings usually makes the application process more complicated.

Conversely, oil-based glazes are rarely used over water-based coatings due to application challenges. The oil solvents in oil-based glazes can easily damage water-based coating layers, making application very difficult. The slightest mistake can risk damaging the underlying water-based coating layer.

Coating Combinations

Coating refers to a finishing material that forms a film. This film determines the strength of the finishing layer and provides protection for the finished layer. Several types of coatings are commonly used in wood finishing processes: NC, UV, PU, AC, vinyl, acrylic, and water-based. Each type of coating has more complex properties depending on the type of coating and resin mixture used.

Some coatings are clear, meaning they are colorless, and include top coats and sealers, which serve to coat the finish without creating a color. There are also coatings mixed with pigments to create color. These coatings not only form a film but also create a color for the finish. There are 2 types of pigmented coatings: base coats or primer (pigmented sealer) and enamel (pigmented top coat).

Combining coatings is more complex and must be done correctly to prevent problems. Each type of coating has different characteristics that must be considered when combined in a finishing system. Incorrect combinations can quickly result in the failure of the finishing layer.

Basic rules of coating combination

In general, there are several rules that must be followed when combining several types of coatings.

Thermosetting coatings can be coated with any coating.

A thermosetting coating is the coating that is not dissolved with thinner or solvent after it dries. They are coatings that dry through a chemical reaction, such as polyurethane, acid-curing (melamine), UV, polyester, epoxy, and 2-component water-based coating. When this coating layer dries, it becomes thermosetting, strong, and hard and won't be dissolved by thinner. When this coating layer is re-coated, it remains intact and does not dissolve, making it safe to be coated with any coating.

Thermoplastic coatings cannot be coated with coatings that dry through a chemical reaction.

Thermoplastic coating is a coating layer that will re-dissolve when exposed to solvents. This is a single-component coating whose drying process occurs solely by the evaporation of the thinner without any chemical reaction. These coatings include NC, vinyl, acrylic, or butyrate; shellac; and other single-component coatings.

This type of coating will dissolve and melt when coated with a coating above it. The underneath coating will blend with the coating layer applied above it. Therefore, this type of coating is not recommended to be layered with coatings that undergo chemical reactions. This layer of coating can mix with the coating above it, disrupting the chemical reaction. This reaction can pull the coating layer underneath, causing problems such as cracking, peeling, or shrinking.

Thermoplastic coatings can only be coated with compatible material

Ideally, thermoplastic coatings should be coated with the same type of coatings to avoid the risk of problems resulting from incompatibility between the coating layers. However, some thermoplastic finishing materials can also be used together. Vinyl coating, for example, can be used in combination with other coatings, such as NC or acrylic coating.

One-component water-based coating is actually not a real thermoplastic material. It can be wiped off or washed with solvent and thinner, but the coating does not melt and resolve. The water-based coating can mostly be combined with the solvent-based coating, such as NC, vinyl, and acrylic, with good results but must be carefully done. Avoid too thick of a solvent base coating on the water-based coating since it may affect the look and strength. Applying the "reaction coatings" (PU, melamine, UV, PE) on the "non-reaction" water-based coating is not recommended; the reaction of the coating may attract its underneath water-based coat.

For a detailed combination coating recommendation, you can view the infographic images below

Things to be considered when you develop finishing process with many coating types

The drying of the coating layer

Coating that hasn't dried will continue to dry until it's completely dry. If the coating dries with the reaction, it will continue to react until it is fully dry. If it is a "solvent dry" coating, then it will continue to release its solvent until there is no more solvent in the coating layer. If the undry coating is layered with different types of coatings, the drying processes of them may not be well integrated. Moreover, the undry coating has not reached its maximum strength, so it may not be strong enough to hold the paint above it.

Therefore, ensure each layer of coating that will be coated with a different coating is completely dry before proceeding with the next process.

The proper sanding

Every dried layer of coating always requires a thorough sanding before being layered with another coat. Sanding is purposed to even out and smooth the surface and to create scratch marks to form bonding between coatings. For the thermoplastic coatings finish, slightly imperfect sanding may not be a big problem, since the coating layers will dissolve and merge. However, in the thermosetting coatings, the dry coating will not dissolve; then the sanding process is a very important step. The good sanding is purposed to create scratches as a bond between layers of the coating. The missanding at some surface will cause imperfect bonding between the coating layers.

Test and trials

Whenever you perform a finishing process with a new system, it is highly recommended to conduct trials and tests before running this system in production. Basically, you can always do new things to explore the finishing system and materials, and you may discover new experiences and results you never knew before. However, before running a finishing process for a big product or big-volume production, you have to make sure that your system works well. Make a panel with the system and do the necessary tests to see the finishing performance.

Dusty Finish for Wood Furniture: Techniques, Methods, and Tips

noreply@blogger.com (Unknown) — Mon, 23 Mar 2026 04:34:00 +0000

A dusty finish is a type of wood finish that produces a dirty and dusty appearance. The dusty effect creates an antique, aged, and vintage look, as if the furniture has been used for decades or even hundreds of years and has undergone a natural aging process. This finish is widely used for interior furniture with antique, classic, or country styles, such as shabby chic, rustic, and French country, to enhance the style of furniture, giving the appearance of an old and aged look.

Dusty Finish Characteristics

Although this finish can be applied to a variety of colors and styles, it is not suitable for minimalist or modern furniture designs that appear new or futuristic. The dusty effect, or dirty or aged effect, is more suitable for antique, rustic, or country-style furniture.

Some colors and finishes suitable for a dusty finish are:

Solid colors with soft, vintage undertones

Soft, muted solid colors such as off-white, light gray, beige, pastels, and light colors will appear more classic and elegant with the addition of a dusty effect in the proper way. Furniture will appear aged and naturally antique with the right dusty effect. Conversely, a dusty effect is not suitable for overly bold colors like bright red, super white, or other solid colors that convey a modern or futuristic feel, as it clashes with the new and modern feel of the product.

Transparent colors with natural wood or brown undertones

This dusty effect can also be added to finishes with transparent wood-colored browns. Colors ranging from dark brown to light brown can be enhanced with appropriate dusty effects. Dusty and dirty effects will create a natural antique effect on furniture and create a special, vintage, aged feel.

Rustic finish

In a rustic finish, which emphasizes the natural look of wood, the addition of a dusty effect adds a natural, dirty feel, making the product appear more vibrant without obscuring or diminishing its natural feel.

Country Finish

A country finish with a heavy "dirty" and "distressed" effect will be even more attractive with the addition of a dusty effect. The dusty effect will make the furniture look naturally dirty and aged by slightly masking the artificial dirt effects in the finish.

Classic Finish

The dusty effect will add a vintage and aged feel to a classic finish. The presence of dust in crevices or carvings will make the patterns and carvings more vivid, adding aesthetic value while also adding a natural, aged, and vintage feel.

How to Make a Dusty Finish on Wooden Furniture

The finishing process for a dusty finish is essentially the same as for general furniture finishing, but with one additional step: adding a dusty effect. Mostly, the dusty effect is applied over a sealer or topcoat, when most of the finish color has formed.

Here are the steps for the dusty finish technique.

Wood Surface Preparation

Although this finishing process will create an aged and dirty appearance and may involve processes that will (slightly) damage the wood surface, the wood must still be properly prepared. The wood must be well sanded to create a smooth, even surface that meets the standard requirements of the wood finishing process.

Physical Distress

Physical distress is a process used to enhance the appearance of an antique wood surface by physical action such as nailing, denting, rocking, sanding, etc. Some physical stresses can be applied depending on the style and shape of the furniture and the final finishing look. Classic furniture can be given light physical distresses, such as light dents, wear marks, or broken edges, to create a vintage look that retains its elegant look. Country-style furniture can get heavier distresses, such as heavy dents, wormholes, heavy wear marks, and even cracks or gouges, to give the impression of having undergone heavy use in a country setting. Rustic furniture can be given appropriate distresses, such as wire brushing to enhance the wood grain pattern and distressing with chisels and knives to give the handmade touch while keeping the natural look of the wood.

Color Application

After the physical distressing process, the next step is to color the wood with a stain. For transparent colors, wood stain can be used. If a solid color is chosen, a base coat or primer can be used in a color that matches the desired finish.

Apply the stain evenly over the entire surface. If necessary, you can highlight the wood stain or base coat to make more live look or antique effect

Sealer

Sealer is needed to coat the stain and protect the color and impression created by the stain application. Apply the sealer evenly to the surface, let it dry, and sand it to create a smooth, even surface.

Glaze

Glaze is needed to color and fill in the grain, pores, crevices, and any cracks resulting from the physical distress step. Glaze can also be added to create antique effects for the dirty country-style finishes. Glaze may not be necessary for the simple and natural look finishes.

Sealer

The next step is the application of a sealer, which protects the glaze underneath while also forming a film layer and producing a smooth, even surface. Apply the sealer evenly to the surface, let it dry, and sand it to create a smooth, even surface.

Dusty Effect

The dusty effect is what distinguishes this finish from other finishes. The dusty effect is created by applying powder glaze. Powder glaze is actually a similar material to glaze, but with the addition of powder inside. Powder glaze is widely available in finishing stores, since it is commonly provided by finishing material suppliers in a variety of colors. However, if needed, you can create your own by adding some amount of powder, such as talc or calcium carbonate, to the glaze. There are many color options for powder glaze, but the most commonly used are white or gray powder glazes.

Apply the powder glaze to the entire surface, then wait for the layer to dry. Remove the powder glaze layer, leaving the powder inside the pores, crevices, or distressed areas. Ensure the dust layer looks natural; avoid applying too thick a layer, as it will look artificial and unnatural. Too thick a layer of dust on the surface will also interfere with the finishing material above it, potentially leading to adhesion and finish strength issues.

Top Coat

The next step is topcoat application to provide protection for the dusty effect and all the finishes layer underneath. Use a low-gloss top coat for this finish. A high gloss is not suitable for this dusty finish, as it will clash with the aged and vintage appearance.

Ensure the top coat is dry and inspect the resulting surface. If the surface is still rough or the gloss is not right or is uneven, repeat the top coat application to ensure a smooth and even finish results.

Things to be considered with dusty finish

For finishing person who is experienced in the furniture finishing industry, dusty finishes are relatively easy to apply. However, it requires careful workmanship, color selection, and the right process to achieve a good and precise color and appearance. Here are some things to be considered when you develop the dusty finishes.

Furniture Style

This dusty finish is best applied to classic, antique, or country-style furniture. Dusty finishes will make the furniture look dirty, and this is certainly more suitable for aged, old, and antique stuff. Dusty finishes are not suitable for products with modern or futuristic styles.

Consistency of the dusty effect look

Dust application must be consistent across the entire surface with the proper thickness and color. This dusty effect essentially mimics the presence of dust or dirt that naturally remains on a surface. The dusting process can be applied with a brush or spray on the surface. Then, remove the dust using cloth, steel wool, Scotch-Brite, or brush to create a natural dusty appearance. Ensure the dusty effect remains natural and consistent all over the product surface.

Low or medium gloss

This dusty finish is essentially an antique finish that makes furniture appear old and dirty; therefore, it is not suitable for a high-gloss appearance. Use a low or medium gloss topcoat for this finish to add an antique and vintage feel. If necessary, a simple rubbing process can be added to create a softer and more vintage finish.

Handwork and art touch

The dusty finishing process, like other antique finishes, always requires a hand-drawn touch and artistry feel. The dust effect as the glaze and physical distress application steps are handmade processes that require an artistic touch. This process is an additional cost, but it also offers benefits because it can hide imperfections in the product's manufacturing process. Minor problems in the unfinished product process, such as small dents, scratches, and cracks, can be disguised with the antique process, distressing, glaze application, and dusty effect.

Choosing the Right Color

This dusty finish can actually be applied to many colors and finish styles, but of course, not all colors are compatible with this finish. The dusty effect is a process to create a dirty appearance, which is more suitable for older and antique products. In general, the dusty effect is a good choice for vintage or classic products with vintage and soft or natural wood colors.

Choosing the Right Material

This dusty finish is actually more often done with the NC type of finishing. NC finish is easy to apply, dries quickly, and produces the clearest appearance and color, making it the most ideal material for a dusty finish effect. Several other materials can also be used, such as water-based materials and PU materials, but will require a more complicated work process. Water-based materials can be used, but will be more difficult because the water-based application is more difficult and the clarity will not be as good as NC. PU can also be used, but will require a longer work time because the PU drying process is longer than NC. PU coatings also require perfect sanding, and a clean finishing room will make the paint application process more complicated.

Weathered Grey Finish: Timeless Color for Wood Finishing

noreply@blogger.com (Unknown) — Fri, 16 Jan 2026 02:01:00 +0000

Weathered grey finish is one of the most popular wood finishing trends in the wood industry. With its aged grey appearance, weathered grey is an excellent choice for creating an antique, old, and country-style look. In practice, this finish can also be applied to minimalist and modern products, resulting in a beautiful and elegant appearance.

In principle, the weathered grey finish is designed to imitate the appearance of wood that has undergone natural weathering due to time and exposure to the elements. The resulting grey color looks natural but still keeps the wood's character. This effect creates a unique character on every wooden surface, showing weathered, aged wood tones while still highlighting the natural grain and pores of the wood.

Initially, this finish was widely used for outdoor products to create a naturally aged and weathered wood look. Over time, it has also become popular for indoor wooden products and gained a large number of enthusiasts. Weathered grey finish is commonly applied to wooden flooring, furniture, and wall panels, as well as exterior products such as outdoor furniture, decking, and building facades.

Advantages of Weathered Grey Finish

The use of weathered grey finish offers some advantages that make it highly favored by designers and homeowners:

Natural and Elegant Appearance

The soft grey color gives the product a naturally aged look. This finish is able to create a calm atmosphere while also presenting a warm, friendly, country-style impression. For minimalist-themed products, this finish provides an elegant and natural appearance.

Flexible and Timeless Design

The weathered grey finish is a neutral color that can be used on a wide variety of wooden product designs. On classic-style products, it creates an elegant aged look, while on modern minimalist products, it brings a natural, weathered impression. This color is not easily influenced by short-term trends and remains relevant over a long period of time.

Grey is also a neutral color that can be paired and combined with many other colors. Weathered grey can be combined with natural wood tones to create an antique, naturally aged impression. With the right selection, it can also be paired with other solid colors to achieve a harmonious combination.

Durable and Long-Lasting Color

Grey is the final color of naturally weathered wood. All wood exposed to sunlight and outdoor weather will gradually fade and naturally turn grey. Choosing weathered grey for outdoor products is a smart decision because it makes the finish more stable and minimizes color change problems. Any natural color change that occurs over time will not be visually disturbing, as it moves toward to the same grey tone as the original finish.

Types of Weathered Grey Colors

There many types of grey finish that can be generated in the wood finishing, but simply we can categorize in two types: the grey with texture and without texture

Weathered Grey with Texture

Weathered grey is often created with textured or rustic surfaces. The finishing process begins with wire brushing the wood surface to add a rustic impression. Wire brushing enhances the wood texture and makes the grain pattern more prominent. With proper finishing application, the wood grain will appear more vivid and pronounced.

Textured weathered grey is commonly used for minimalist-style products, as it enhances the liveliness of the wood grain. By controlling the wire brushing techniques, various texture levels can be achieved, from soft and shallow textures to deep and rough ones. Every texture type will produce a different appearance of grey finish.

Weathered Grey without Texture

Non-textured grey finishes are more suitable for products with more complicated designs, such as carved items, turned products, or wood with deep grain structures. A natural antique impression emerges when stain and glaze fill the pores, grain, carvings, and crevices of the wood.

This finish is often referred to as the antique grey or antique white finish and is a suitable choice for classic, semi-classic, or country-style wooden products

Weathered Grey Finishing Process

There are two main methods to achieve a weathered grey finish: chemical processes and painting or finishing applications

Chemical Process

Chemical finishing appears simple, as a specific chemical solution is applied to the wood surface and left to react until the wood develops a weathered grey appearance. This method produces a very natural grey color look. It is actually doing the chemical reaction to accelerate the actual wood weathering process. Naturally, wood weathers due to reactions caused by UV exposure and environmental conditions, which eventually turn the wood grey. In the chemical process, this weathering reaction is accelerated using chemicals so that it occurs more quickly.

This process is a long-time process; usually it needs several weeks to get the final finish color depending on the wood character and chemicals used. The resulting appearance and color cannot be expected to be uniform across all areas. The color outcome highly depends on the physical and chemical properties of the wood, which often vary from one to another. Wood is a natural material derived from trees, and its properties differ depending on how the tree grows in nature. The main advantage of chemically produced grey color is its highly natural appearance with all its inherent variations.

Painting or Finishing Application Process

Another option is creating the grey color through the application of finishing materials. With the right materials and proper application techniques, the grey color can be produced with better control. The use of stains and finishing materials results in a more stable, uniform, and faster outcome.

The color and appearance can be seen immediately after the finishing process is completed and the coating dries. With good control over the application process, the final color and appearance can be more consistent and stable.

However, since the color is achieved through layered finishing materials, the result will not appear as natural as the chemical process. The application of finishing materials always forms a film layer that slightly reduces the natural appearance of the wood.

General Finishing Steps for Weathered Grey

The finishing application to make grey finish is more widely used; it is faster and more controllable with more consistent results. Although there are several finishing methods to produce weathered grey, the basic process is as follows:

1. Stain, toner, or grey base coat

It is the application to achieve the grey tone. Several types of materials can be used, such as stain, toner, or base coat. Base coat is more solid and covers the color to make the more consistent grey color result, but it will kill the wood's natural look. The grey stain will show more of the wood's character but will keep the wood's base color variation that may reduce the uniformity of the color result. The toner is the thin base coat that will work between the stain and base coat

2. Glaze

Applying glaze is used to enhance the depth and liveliness of the grey color. Dark brown or black glaze creates a richer and more dynamic grey appearance. Glaze that settles into the pores, grain, and crevices produces a lively and attractive antique look. Glaze also can be brushed and padded on the surface to make different looks of antiques. Make sure you use the type of glaze that is suitable for the sealer and top coat types used in the whole finishing process.

3. Sealer

The sealer is the clear coat that protects the resulting color and glaze. The sealer also works to create the smooth surface before it is layered with the top coat. Make sure you use the right sealer according to the whole finishing process.

4. Top coat

The top coat is the final layer that protects the surface and determines the gloss level of the finish. For weathered grey finishes, low to medium gloss levels are most commonly used, as they mimic the appearance of aged and weathered wood. To suit the product’s function, it is important to select a top coat that meets the required finishing quality in terms of durability and strength.

Important Considerations When Creating a Grey Finish

Consider the Design and Product Shape

Although weathered grey is essentially a grey color, there are many variations: light grey, dark grey, brownish grey, blackish grey, and more. Each shade creates a different visual impression. Combined with other finishing factors such as gloss level, surface texture, and film thickness, there are many possible appearances for grey finishes. Finishing is the final stage that shapes the appearance and maximizes the artistic value of a product, therefore the finish must always accord to the product’s model and design. Make sure to choose the weathered grey color and appearance that best match the product’s design and form.

Consider the Product’s Function and Use

In addition to enhancing appearance, finishing also serves to protect the wood underneath. Therefore, it is important to select the appropriate materials and finishing processes to ensure the finish provides adequate protection so the product can perform its function properly.

Yellowing issue

Grey contains white elements, and color changes may occur due to yellowing of the finish film. This issue becomes more noticeable when the grey color is light and still contains strong white tones. Be sure to anticipate this risk. Using non-yellowing coatings is highly recommended to prevent yellowing problems in this type of finish.

Maintenance

Every product requires proper care and maintenance to ensure durability and long-term performance. Grey finishes are relatively simple and easy in the maintenance, because grey is a neutral color that naturally reflects an aged or slightly weathered appearance. Dust and dirt tend to blend into the surface, making them less noticeable on this type of finish. However, each product still needs appropriate maintenance to ensure a long service life. It is important to understand the finishing materials used and their limitations to understand the process of cleaning and maintaining the product.

Green Color for Wood Finishing, Blending with Nature in Modern Design

noreply@blogger.com (Unknown) — Tue, 04 Nov 2025 11:13:00 +0000

Although not much, green is also used to color wood and wood products. You can find many wood products with green colors, from furniture products such as tables, chairs, and cabinets to other wood products such as doors, floors, walls, interior decoration products, etc. In the world of interior design, the green color symbolizes balance, serenity, and a connection with nature. Psychologically, green evokes a sense of coolness, tranquility, and a closeness to nature. The uses of green color for wood are actually relatively limited, not as much as brown, white, cream, gray, and other more neutral colors. However, because of the fashion freedom in the modern culture, the green color has become more common in the woodworking industry.

With the proper uses, the green color in the wood products will give an attractive-looking wood product. Moreover, the green color brings the messages for natural living and sustainability which is in line with the woodworking industry trend.

The philosophy of green

The philosophy of the color green lies in its deep connection to life, balance, and regeneration. When applied to wood, green addresses a sense of harmony between the natural material and the natural color itself, enhancing the organic beauty of the surface. In the context of wood design, green carries several important meanings: it evokes a natural and calming atmosphere, making it ideal for spaces intended to promote relaxation, such as living rooms, bedrooms, or meditation areas; it symbolizes sustainability, reminding us of forests and the environment, aligning perfectly with the growing trend of eco-friendly finishing; and it is highly adaptable, blending beautifully with neutral tones, natural wood textures, or even modern metal accents.

Green Color Options in Wood Finishing

The use of green in wood finishing and wood products is relatively limited. Green that is too strong or too dominant will tend to create a monotonous and boring appearance. The green color also cannot be too bright since it will tend to ruin the natural look of the wood. Here are some green color that can be used for wood finishing

Sage Green

Sage green is a soft and subtle shade that isn't too striking, making it suitable for many wood products. A mixture of light gray and sage green creates a soft and gentle green color that gives a modern, warm, and clean impression. Sage green is often found in Scandinavian and Japandi furniture, and is widely used in indoor furniture such as kitchen cabinets, dressers, wall panels, dining chairs, etc.

Olive Green

A yellowish-green shade that appears earthy and elegant. It creates a rustic feel and is suitable for stylish interiors. Olive green is a complex and muted color with an earthy, subdued appearance. It leans toward yellow, giving it a distinctly warm, natural tone. This particular shade captures the essence of olive green, reminiscent of dark moss green, a natural or Mediterranean color.

Moss Green

A dark green with hints of brown or gray, resembling moss in a forest. It provides visual depth and is suitable for furniture with prominent wood grain. It is a good choice to color the wood furniture for vintage or mid-century modern designs.

Forest Green

Forest green is a rich, earthy color with deep, neutral undertones. This lush, grounded shade sits in the green section of the color wheel, on the cooler side, embodying feelings of nature, stability, and renewal. Forest green's dark, saturated shade ranges from deep hunter to pine, making it ideal for conveying a sense of depth and serenity in designs.

Teal & Emerald Green

Emerald green is a luxurious and sophisticated color characterized by deep bluish-green undertones. Sitting between blue and green on the color wheel, this rich, jewel-toned shade exudes opulence and vibrancy. It captures the essence of lushness and elegance, conveying a sense of luxury and richness. Green mixed with blue gives an elegant and contemporary impression. This type of finish is often used for modern, luxurious, and expensive wooden products.

Finishing Styles

Instead of the color, the beauty of the green wood color is determined by the finishing types. There are some finishing types that can be used to apply the green color in the wood finishing.

Antique Green

It is the green finish that gives an old, aged, and antique impression. The antique impression will tone down the green color, making it less strong. The green paint will be covered by the antique, aged impression and the glaze used in the finishing process. Finishing is done by applying green paint or a base coat combined with glaze applications to create an aged, antique, and dirty impression. Possible finishing systems include a green base coat, sealer, glaze, and top coat.

You can add some physical distresses in the finishing, such as rubbing off, wearing off, wormholes, spatter, and other antique impressions, which will reduce the strong impression of the green color and give a softer look.

Green wood Stain

Green wood stain that is applied to the wood will produce a green wood color with its beautiful grains and pores. This green stain is an attractive color choice to color the wood with beautiful grain and pore patterns such as oak, pine, ash, teak, etc. But the green stain will not work well for dark wood, such as dark walnut, ebony, rosewood, etc. The dark wood base color will kill the green color of the stain and bring out the dark color instead of the green color. To enhance the color's vividness, you can add a glaze in a similar color, such as dark brown or black, which will enhance the wood's natural beauty.

Green Wash

Green wash is a green paint that is washed or erased from the surface and is left only in the inside grain, pores, or some part of the surface. The finishing process involves applying green paint and then removing it by sanding or washing the paint layer. With the proper technique, this finish will produce an attractive green color. The green won't be too dominant and will blend with the underlying wood color.

Green paint in combination with other color

Green can also be used as an accent in a product. It can be combined with natural wood colors or neutral colors to create an attractive combination. Green paint accents will create a "green" feel, while other, more neutral colors will make the wood product blend better into the room's decor. Green paint color can be used for frames, legs, or furniture components. The green makes the product have an attractive look when combined with other neutral colors.

Crackle Paint, a Special Paint to Make Crackle Finish

noreply@blogger.com (Unknown) — Thu, 07 Aug 2025 03:13:00 +0000

Crackle paint is specially formulated so it will crack and form a crackle effect in the film layer when it is applied. This crackle paint is used to make an antique crackle finish, which was quite popular some time ago. Although less popular, the antique crackle finish still has fans today. Crackle paint is the main material that is used to make the cracked effect in the antique crackle finish. Today the crackle paint is available in the wood finishing material store, and you as a finishing person can find and choose the most suitable paint according to your needs. You just need the information and knowledge about the crackle paint and how to use it. Now, I want to share information about the crackle paint and how to use it.

white crackle paint

The types of cracked paint

Like other coatings, there are several types of crackle paint: water-based, NC, PU, melamine, etc. The NC base crackle paint is the most commonly used and available. The fact is the antique finishes are mostly developed with the NC finishing system since it is easy to use, fast-drying, and gives the best look. The water-based crackle paint is also quite popular because of the eco-friendly finish trend today. Both water-based and NC are quite simple and suitable to accommodate the complication of antique crackle finishing. 2-component crackle paints, such as PU or melamine, can be made, but they are rarely used due to their complexity in the application. The mixing process with the hardener, the pot life, and the application process will be complicated, making this paint rarely used.

Clear crackle paint or clear crackle coating

According to the color, there are two types of crackle lacquer: clear and colored. Clear means the cracked paint is clear, or colorless. When applied, it can form cracks in the clear film layer. This paint is usually called clear crackle lacquer or clear top coat. This crack paint is applied over a sealer or base coat and forms cracks on the base coat or sealer layer. The cracks can be at the top layer only, or can go through its paint underneath, meaning the crackle paint is working to break the paint or coating underneath.

During the finishing process, this clear crack paint is usually further coated with a sealer or top coat. This crackle paint can be set to only produce a cracking effect on the surface above the underlying layer, or it can also be set so that the cracking effect shows through to the paint or base coat layer below.

Colored crackle paint

Colored crackle paint is a cracking paint with some pigment inside. This cracking paint has the same color as a base coat or primer, but when applied, it creates a layer of paint with a cracking effect. This cracking paint is usually white or other base colors such as red, yellow, and black. Although the colored crackle paint can be tinted to create a specific color, it must be done carefully. The pigment addition to the paint will change the composition of the paint, which will potentially change the character of the paint. Too much paste in the paint will change the crackle pattern and make the effect uncontrolled.

Crackle paint finishing process

Various finishing techniques can be used to create the desired color and appearance for the crack finish. However, in general, the crackle finishing process is as follows:

Stain or or paint application

Stain is needed to create the desired base color. When the crackling paint is applied, the base color will appear and create a contrast effect with the cracks. This stain can be a wood stain that creates a wood color or a base coat or primer coat to make a paint color.

Sealer

To achieve a perfect crack effect, the crack paint must be applied to a flat, smooth surface; that is why you need sealer application in this step. If the crack paint is applied to a raw wood surface, the crack paint will be absorbed by the wood, and the crackle effect cannot be obtained. Usually you need 2 or more sealer applications to prepare the surface before the crackle paint application.

Crackle paint application

After you get the smooth surface and enough film built, then you can apply the crackle paint. The application of the crack paint must be carried out with the correct and precise technique. Make sure you read the technical data sheet and how to use it. The crack pattern and size model depend on the paint type and are also influenced by application methods, such as paint layer thickness, thinning, and the drying process. Make sure you get the right paint, the right formula, and the right application technique to make the crackle effect you want.

Sealer

Once the crack paint has been applied and the desired crack effect has been achieved, the next step is the application of a sealer. This sealer application protects the resulting crack effect and strengthens the existing crack effect. The sealer also makes the surface smooth and ready for glaze application.

Glaze

A glaze application is necessary if an antique finish with a crack effect is desired. Glaze can be applied to fill in cracks and create a dirty or aged look. A glaze application is not needed if you want a clean crack effect without an old or dirty look.

Top coat

Top coat is the final layer in the finishing process, protecting the color and appearance of the finish and at the same time forming the gloss of the finish.

Things to consider when applying crack paint

Know the type of paint you're using

Before using paint, you must understand the type of paint you'll be using. Read the paint's technical data and specifications to ensure it's compatible with the finishing system you develop. The most commonly used crack paint is NC, or water-based, or other one-component paint, but sometimes you may have to make a crackle finish with PU since the finshing request.

PU or melamine crack paint is rarely found because the handling and application process is difficult and complicated. You will need to apply it correctly in detail. Do proper mixing, then do the right application; make sure you do the correct spray and create the right thickness and layer.

The effect of crack paint is greatly influenced by the thickness of the paint layer and the dilution used. Ensure you apply it at the correct thickness and concentration to achieve the desired crack effect. Conduct several trials to familiarize yourself with the paint you'll be using and achieve the desired crack effect.

Use compatible materials for the entire process

Consider the overall finishing system and use a crack paint that matches your finishing system. Crack finishes are generally created with an NC finishing system, but some crack finishes are created with a water-based or PU system. Some crack finishes are created using a combination of finishing systems. Make sure you do right finishing system to achieve a finish that is not only aesthetically pleasing but also strong and safe.

Consider environmental conditions

The crack effect also is affected by the drying time. Sometimes the crack paints fail to achieve the desired effect due to an uncontrolled drying process, which is affected by the environmental conditions, the temperature, and humidity. Therefore, ensure you understand the conditions of your finishing room, especially the temperature and humidity. To avoid problems with paint cracking due to environmental conditions, you can provide an oven to control the temperature and humidity during application. You may adjust your paint by adding the special solvent to adjust the material drying, but it must be done carefully.

Application process

The resulting cracking effect depends on the thickness of the paint layer and the drying time. Adjust the thinning and number of layers of paint applied to achieve the desired cracking effect. The general rule for cracking paint is as follows: the thicker the paint and the longer it takes to dry, the larger the cracking effect will be. On the other side, the cracking effect will become smaller if the paint is thinner and dries quickly.

Several experiments can be conducted to find your desired cracking effect. Some variables to try are mixing ratio, paint layer and thickness, and the thinner used. It's important to understand that this cracking effect often can't be expected to be uniform in every area, as several factors will affect the results and cracking effect.

Step panel

Every time you develop a new finish, it is always recommended to make a step panel to find the finishing process for the finish. The same thing with the cracking effect. The crackle effect pattern is very important since it is the focal point. The cracking effect will affect the appearance of the finish. Different cracking effects will create different-looking finishes, even if you use the same color, then controlling the crackle effect is a very important point in this finish. especially if you're creating a finish that uses the cracking effect as the focal point.

For this finishing process, you need to create a complete and detailed finishing process precisely with all necessary notes about the mixing ratio, spray application, and layer of coating in detail. You also need to check and record the humidity and the temperature of the finishing room. Then you can repeat the process in the finishing process on the product.

Test the finishing performance

Cracked paint is a complex finish and often requires special tricks and methods to achieve the desired appearance. Therefore, before doing the process on a product, especially for big items and high-volume production, it is highly recommended to test the performance of the finishing you are working on. Make a panel according to your finishing system and do the necessary tests to make sure your finishing system is safe and can be executed in the production.

Wooden House, Information You need to Know

noreply@blogger.com (Unknown) — Thu, 03 Jul 2025 14:15:00 +0000

The wooden house is a special and attractive building. Although currently there are many building materials created to make houses, wood has its own irreplaceable charm. In ancient times, when human life was still close to nature, wood was the main material for making houses. Now, wooden houses are still favored by many people because of the beauty and natural atmosphere they provide. Wooden houses are one of the best means for humans today to get closer to nature and cure their longing for wood and forests.

wooden houses in the tropical country

Wooden house model

With the support of modern woodworking technology, various models and designs of wooden houses can be made now. Variations in wood types, shape arrangements, construction, and finishing make the choice of wooden house designs increasingly diverse, each of which provides a distinctive beauty of appearance. However, in general, wooden house designs can be grouped as follows:

Simple wooden house

This simple wooden house is often found as a residence or a place to chat in a park or garden, although it can also be used as a permanent residence. The shape of the building and its elements, such as walls, floors, roofs, doors, etc., are made in a simple form and emphasize functionality. This simple wooden house still looks unique and special as a result of the use of wood. If premium wood is used, which has high aesthetic beauty, then this wooden house will still look elegant and luxurious.

Traditional wooden house

A traditional wooden house is a wooden house that refers to the model and shape of traditional houses from the community in the past. In Indonesia, which is a country with many ethnic groups and cultures, there are many traditional house models that can still be used as a reference source for making wooden houses. Each region and tribe has a traditional house model with its own beauty that is interesting to use as a reference for wooden house design.

Modern wooden house

A wooden house with a modern design is a contemporary approach to architecture that combines wood materials with modern design elements. Although it still displays the natural beauty of wood, modern houses still prioritize functionality and practicality, which are the characteristics of modern human life. This house is also equipped with modern tools and technology that are needed by human life today.

Advantages of wooden houses

Beautiful and natural

Wood is a natural material with a distinctive beauty. Wood has a unique, beautiful natural look of grain and color. The grain pattern and color of the wood are different for each type of wood and are the aesthetic value that cannot be replaced by other materials. With the right design and process, you can make a building with a special and unique beauty. In addition, the wood is a natural material that provides a warm and friendly natural feel that cannot be provided by other building materials. Psychologically, wood will bring humans closer to nature and answer to human longing for the past when humans had very close interactions with nature.

Keeping the room temperature more stable

Wood is a good natural insulator; it can withstand heat both from outside and from inside the room. A wooden house will help keep the temperature inside the room cool when the weather outside is hot and keep the room warm when the temperature outside is colder. With the right design and construction, the use of wood can help save energy used for heating or cooling the room.

Bringing a comfortable atmosphere

Physically, wood has a lower hardness compared to concrete or brick. Therefore, wood is a better soundproofing material than concrete or brick walls. Wooden houses will make the room feel softer, making it more comfortable when occupied and used for activities.

Environmentally friendly

Wood is a product of trees from forests or plantations that can be renewed. With good management, the existence of forests and wood plantations can be maintained to remain sustainable. The use of wood as a building material that is balanced with proper management of forests and wood plantations will encourage people to maintain the sustainability of trees and forests. At the end it will help the world to maintain the balance of nature.

Flexible

Wooden houses have better flexibility compared to concrete or brick walls. With the right design, wooden houses can be uninstalled and reinstalled with minimal damage. With the right design and construction arrangements, wooden houses can be designed to be portable or semi-permanent and can be moved to another place if needed.

Relatively more safe for earthquake disaster

Wooden buildings are more flexible than brick or concrete buildings. If there is a shock or earthquake, wooden buildings tend to be more flexible and follow the shocks they experience with less damage. If a wooden house gets a strong jolt and collapses, the wood will be interconnected so that it is relatively safer for the person inside.

Interesting design variations

Wood has many types, each of which has different beauty and appearance. The nature and beauty of the wood can produce various interesting architectural models. There are many models of wooden houses that can be created, ranging from traditional to modern models and complex to simple models, by maximizing the beauty and uniqueness of wood.

Disadvantages of wooden houses

Besides his advantages, wooden houses also have several disadvantages that need to be considered when you want to build a wooden house.

Safety

Wood is more flammable compared to other building materials. Therefore, wooden houses have a higher risk of fire hazards. If a fire occurs that is not immediately extinguished, the fire will quickly spread and burn down the entire building.

Wooden buildings are also physically less strong than brick or concrete buildings. Wooden walls or doors are relatively easier to damage or dismantle. Therefore, in general, wooden buildings are easier to be broken into by people with bad intentions.

Maintenance

Wooden houses require more complex maintenance than houses made of other materials. Wood is a material that is susceptible to being attacked by insects, fungi, or bacteria. Wood is also a material that is not resistant to water and humid conditions. To be more durable and long-lasting, wood must be properly cared for and maintained. Wood must be kept dry and kept away from water and soil so that it is not damaged by water or termite attacks.

The process of cleaning wooden houses must also be carried out carefully. Excessive use of water should be avoided because it will make the wood wet and invite many other problems. The process of refinishing or repainting wooden buildings is also a complex job and requires experts to do it.

Tips for building a wooden house

A wooden house will indeed produce a unique appearance and provide a natural atmosphere for those of you who like it. However, before deciding to build a wooden house, there are several things that need to be known and considered to get a beautiful, comfortable, and safe house and residence.

Proper design and construction

Wooden buildings always need proper construction so that they can be strong and safe. The selection and size of each component and part of the construction, such as floors, walls, pillars, etc., must be done with careful calculation. Likewise, the construction of each connection must be made in detail and carefully to ensure the strength and safety of the building. If the building is made to be dismantled and reassembled, then more complicated and careful calculations are needed to accommodate its installation and dismantling. A carpenter or expert carpenter is needed to ensure that the wooden house is made with a sturdy, strong, safe, and durable construction.

Choose wood with good quality.

The quality of the wood is one of the main elements that determines the quality of the building produced. The good wood generally has a high price, but it will be commensurate with the benefits provided. Expensive wood such as teak, ironwood, rosewood, oak, and other premium wood will give you a natural beauty look that will bring a warm and pleasant home atmosphere. The good-quality wood will give you strong and long-lasting buildings.

Bubble and Pinhole in the Wood Finishing

noreply@blogger.com (Unknown) — Sun, 25 May 2025 15:30:00 +0000

The bubbles in the finishing layer is happening because there is air trapped and bubbled in the finishing layer. This bubble problem occurs in coating applications, finishing materials that form a film layer. These bubbles can appear at every stage of coating application, starting from sanding sealer, topcoat, or even base coat or primer.

Pinholes are tiny holes (like dots) on the surface of the finishing layer that resemble needle puncture marks. Pinholes and bubbles are problems that most often occur together; most pinholes appear due to bubbles. Bubbles that break will produce pinholes; bubbles that are sanded and coated with coating will appear as pinholes.

Bubbles and pinholes become a problem in finishing because they ruin the appearance of the finishing, especially for close-pore finishing or finishing with a thick film layer. Pinholes often will not be a problem in open pore finishing because they will be camouflaged by the natural texture of the wood pores and grain. Bubbles that appear on open-pore finishing can be handled by good sanding followed by the application of coating; the bubbles will disappear and become pinholes. In many cases, some pinholes are camouflaged by the wood grain and pores. However, if this problem occurs on finishing with a thick film layer, especially with dark color and high gloss, then the bubbles and pinholes will be clearly visible and greatly damage the appearance of the finishing.

Pinholes and bubbles are complicated problems that will be difficult to fix; therefore, it is better to prevent and avoid them before they happen. Here are some things that can be done to prevent the emergence of bubble problems.

pinholes and bubbles on the dark color finish

Causes of bubbles and the solutions

Finishing materials quality

The problems in the material will directly affect the finishing quality. The bubble problem is the film problem then it is mainly depend to the coating and paint quality. Most bubbles problem is caused by the low quality of coating, that are : sealer, top coat, base coat, primer coat, enamel and other film former materials. The other materials such as stain, glaze or filler also can cause bubbles if they are contaminated or applied incorrectly.

There are several causes that make the quality of finishing materials not good, such as the bad formulation, the improper mixing and handling process, expired material, contamination, incorrect material selection, etc.

Solution:

Make sure you only use good quality materials. Using problematic materials will only invite problems later on. Make sure you check the materials you are going to use, apply them to a small panel, and see the results before using them on a large product.

Use, mix, store, and handle materials according to the manufacturer's instructions. Read the technical data instructions of the product carefully and follow them. Understand each type of coating and use them according to the substrates and the desired finishing quality. Make a step panel to define the finishing process before running the finishing for the production and big product.

Coating layer that is too thick

Applying a coating layer that is too thick will make the releasing thinner from the film layer become slow and difficult. This condition risks air or water vapor being trapped in the film layer. It also makes the film drying take a long time; the film layer formed cannot dry perfectly. When it is coated with another coating, then the film keeps releasing its solvents and risks forming bubbles.

Solution

It is highly recommended to apply coating with a reasonable thickness; avoid too thick film coating in one application. Do a wet spray of 1 or 2 layers on each coating (paint) application, wait for the coating layer to dry, sand it well, then apply another coating on it. Repeat this process to build the thick coating. It is very important to follow the drying time of each coating layer and properly sand for each coating layer.

Use the correct spray application technique to prevent coating application that is too thick. Set and adjust the spray gun correctly and do the spray movement correctly to produce an even coating layer. See our previous post: Spraying technique to the finishing

Imperfect drying of the coating layer

Bubbles can also be caused by the imperfect drying process. The solvent or thinner that is still in the coating will continue to try to get out of the coating layer, and when it is trapped in the film layer, it will trigger bubbles.

solution

Use thinner with good quality that is compatible with the coating material types. The proper thinner will make the solvent-releasing process take place properly. Avoid using thinner that contains too much diluent, which will only make the drying process harder

Undried oil stain or glaze

In the finishing process that uses wiping, brushing, or dipping stain, mostly the stain used is an oil-based stain to make the stain application easier. If this wood stain is still not completely dry, there will be oil left on the surface. The oil residue on the surface that does not dissolve with the coating can also trigger bubbles.

Solution

If you use oil stain or glaze, make sure the glaze and stain are completely dry before being coated with a layer of coating on top. Glaze and wiping stain are generally designed with a longer drying time to facilitate the application process. However, it is necessary to ensure that the stain and glaze are completely dry when it is coated with paint or coating. Check the recommended drying time of the stain and glaze before using it in the finishing process.

Room conditions, too dry or to hot

Bubbles can also occur because the finishing room conditions are too hot or too dry. When the air is hot and dry, the drying process takes place very fast so that there is a risk of air being trapped in the film layer.

Solution

Always check and control the temperature and humidity in the finishing room. Make sure the room conditions are in accordance with the coating recommendation. Adjust the humidity and temperature of the finishing room according to the coating specification. In very dry room conditions, you can wet the room floor with water to lower the air temperature and increase the humidity of the room.

Some adjustments can be made to the coating material to make it dry faster or slower to prevent bubbles. The selection of solvents and the addition of additives can be done to speed up or slow down the drying process.

Wood pores and grain

Some types of wood have small but deep fibers and pores, such as mahogany, nyatoh, okume, etc. These woods have a high risk of getting bubble problems, especially when you do close pores finish.

Solution:

Recognize and understand the types of wood; make sure you can choose the right finishing process according to the type and character of the wood. Apply good wood filler to porous wood to create a close-pore finish. Wiping filler application can be used to fill small and deep pores and grain and prevent bubble problems

Chemical contamination

Some finishing processes use chemicals to make and adjust color, such as bleaching to whiten the color or other chemicals to color the wood. The presence of chemicals on the surface will interfere with the adhesion and drying process of the finishing layer. The chemicals that still react with the wood will cause bubble problems in the finishing layer

Solution:

If you use a chemical process for wood treatment and coloring, then make sure there is no more chemical residue on the wood surface when the finishing process is carried out. Neutralize and wash the chemicals carefully, and make sure there is no chemical left on the surface. Some chemical are solved in the water; make sure you follow the drying process needed to ensure that the wood is already dry when you do the finishing process

How to fix with bubbles in the finishing layer

The presence of bubbles and pinholes in the finishing layer must be cleaned to make the clean and even finishing surface. One way to clean bubbles is to do good sanding and then coat it with a good coating layer. The bubbles that are there when sanded and coated with a thin layer of coating will become pinholes. A few pinholes on the finishing surface may still be acceptable, especially when the open pores or semi-open pores finish is built.

If the remaining pinholes still look disturbing, then you need to remove and clean them. Wait until the coating layer is dry, do a good sanding, coat it with clear coat. Check whether the existing pinholes are covered by the sealer layer. If the pinholes are still there, repeat the process until all the pinholes are filled and covered by the coating layer and a smooth and even finishing layer is formed. This process requires precision and patience; make sure each sanding process is carried out properly, without damaging the color of the finishing layer, but can clean the pinholes on the surface. The coating application process must also be carried out carefully; avoid too thick a layer because it risks causing bubbles again.

If the sanding and coating application processes cannot solve the bubble or pinhole problem, then the only way to fix this problem is by washing and refinishing. Bubble problems caused by coating quality can only be solved by removing the finishing layer and refinishing with the correct process and materials. Bubbles caused by chemical contamination on the wood surface can only be cured by removing the finishing layer, cleaning the chemicals on the wood surface, and the refinishing process.

Sengon Wood, the Popular Wood in Indonesia Woodworking Industry

noreply@blogger.com (Unknown) — Mon, 12 May 2025 15:07:00 +0000

Sengon wood is one type of wood that is widely cultivated in Indonesia. Sengon trees can grow quickly and are relatively cheap and easy to cultivate. It has a fairly profitable economic value and is quite popular in the Indonesian woodworking industry. Sengon wood is classified as softwood with a plain appearance that is not attractive, so it is actually relatively limited in uses. Sengon wood is mostly used to produce simple and cheap products, does not require beauty, and does not require strength.

Types of sengon wood

Sengon laut (albizia)

It is the most widely available sengon wood in the wood market. Sengon trees can grow quickly with wood in various regions with a short planting age of around 6-7 years. Sengon laut is the most popular type of sengon in the wood industry. This wood is light and soft and is not favored by wood bugs. Mostly used for raw materials for plywood, barecore, blockboard, and furniture interiors.

Javanese sengon, or sengon tekik or sengon buto (Enterolobium cyclocarpum)

This sengon wood has better strength and structure than sea sengon. This local sengon tree takes longer to grow, around 10 years. This sengon wood is also known as sengon buto or sengon tekik and has a stronger structure. This wood also has grain, although it is not strong, but it is relatively more decorative compared to albizia.

Javanese sengon wood is widely used to make simple furniture, pallets, and building construction with medium strength.

The uses of sengon wood

Interior furniture components

Sengon wood is widely used as filler or material for interior furniture such as drawer boxes, inner walls, back walls, and other interiors. Sengon wood, which is light and cheap and not liked by wood beetle bugs, is a good choice for use as interior furniture that does not require constructional strength and a beautiful appearance.

Plywood, blockboard, finger joint laminated board panel

Sengon wood is also widely used as an intermediate material for furniture and wood products such as plywood or blockboard, which is used as a material for forming wood panels as a substitute for expensive and heavy solid wood.

Sengon wood also can be used as a panel board of FGLB (finger joint laminated board), which can be used directly as a panel board with or without being layered with veneer, HPL, decorative paper, or other decorative materials.

Simple furniture

Sengon wood can also be used to make simple wood products, accessories, or furniture such as shelves, small cabinets, small tables, or accessories that do not require constructional strength and a beautiful appearance.

Advantages of sengon wood

Cheap and abundantly available

Sengon wood can be harvested at the age of 6 or 7 years so that it can be planted and cultivated quickly and at a low cost. Sengon trees can grow well in almost all areas in Indonesia so that they can be planted on empty land as environmental preservation.

Therefore, sengon wood is abundantly available in the woodworking industry and can be purchased at a relatively cheap price.

Not liked by wood beetle bug

In general, sengon wood is not liked by wood bugs. Sengon laut wood (albizzia) is free from woodbug attacks, making it a good choice for interior and intermediate wood products. Javanese sengon may not have high resistance to wood beetle bugs, but it is still safer than fruit wood such as durian wood, mango wood, and even mahogany wood.

Lightweight

Sengon wood is lightweight, making it a good choice as a filler of interior material for thick and large wood panels. FGLB or barecore, is a more attractive choice to be used as a core panel than MDF or particle board since it's lightweight.

Easy to be processed and machined

Sengon wood has physical properties that make it easy to be kilned and processed in the woodworking industry. The cutting, gluing, and sanding processes can be done easily with no big issues.

Disadvantages of sengon wood

Soft and weak

Physically, sengon wood is soft and weak. This wood is easily damaged and broken when exposed to pressure or hard physical treatment. Sengon wood cannot be used to make products that require high constructional strength, such as chairs, tables, or cabinets with large sizes or complex shapes. Sengon wood also cannot be carved to produce beautiful art forms.

Sengon wood also does not have the strength needed for outdoor use. The heat of the sun, the cold of the night, and rainwater will quickly damage sengon wood.

High porosity

Sengon wood is soft and porous wood. This wood has high absorption, so it is easily damaged when exposed to water. Sengon wood will absorb water strongly and be wet and damaged when exposed to water droplets or placed in a humid area.

This high porosity of wood will also complicate the finishing process. In the finishing process, sengon wood tends to absorb finishing materials excessively; the stain application must be done carefully. Stain that is too wet will tend to be absorbed excessively, resulting in a dark color appearance and uneven (blotchy) color look. Porous wood also makes this wood consume more finishing materials (clear coat or colored coat) than other woods.

Contain sap

Javanese sengon wood also has red sap that potentially interferes with the finishing appearance and color, especially for paint finish colors and white colors. The sapwood or oil blocking is needed to block and kill the wood sap as the first finishing step if you want to make white colors or paint finishes.

Plain and monotonous look

Sengon wood does not have the beauty of wood grain, which is the main value of wood. This wood has a plain and monotonous look with a light white color base. The finishing choices for this wood are relatively limited to simple colors and appearances such as natural, simple stain colors and solid colors.

Susceptible to termite attacks

Sengon wood is indeed not liked by wood beetle bugs but still has a risk of being attacked by termites; therefore, sengon wood and its products should always be kept away from the ground, which is a nest for termites and fungi.

Tips for using sengon wood

Keep the wood dry

Make sure the wood is dry when it is processed; wet sengon wood will cause many problems, such as wood bends, breaks, or rots due to attacks by fungi and bacteria. Wood must also be kept dry and away from water and humid conditions.

Consider the strength of the wood

Sengon wood is wood with relatively low structural strength, making this wood have relatively limited use. The uses of wood are limited to products that are safe and strong enough in the construction consideration. Sengon wood is not suitable for wood products that require strength and durability, such as chairs, big tables, big cabinets, or components that require constructional strength. Sengon wood is also not suitable for outdoor products that require high durability.

Coat with the right finishing

The right finishing layer will help increase the durability of sengon wood. The finishing layer will reduce the porosity of the wood and reduce the water absorption from the air. The coating material will also protect the surface from water drop penetration. The finishing layer will also protect the wood surface from insect and wood fungus attacks. The right finishing material will help to increase the performance in look and the age of use of the sengon wood product.

Adhesion Problem in the Wood Finishing

noreply@blogger.com (Unknown) — Thu, 08 May 2025 00:36:00 +0000

Adhesion is the bond between 2 or more different materials. Finishing adhesion is the ability of a finishing layer (film) to adhere firmly to the surface of a substrate. Good adhesion of the finishing film is very important in the finishing. The good adhesion is needed to ensure that the finishing layer can provide the protection to its substrate underneath. Good adhesion means that the finishing layer does not easily peel, come off, or lift from its underneath surface. There is a standard test to observe the adhesion of the finishing layer; you can visit our previous article: adhesion test for wood finishing

Adhesion problem for finishing

Adhesion problems occur when the paint layer is easily peeled off from the surface. This peeled-off paint can occur on one layer only, for example, on the top layer only (top coat or sealer), or it can occur on the entire layer, meaning the whole finishing material from the stain is coming off all the way from the surface. This adhesion problem can be very severe when the finishing layer can be peeled off with just a little rubbing or light touch. To check the adhesion of the finishing layer, there are some adhesion tests that can be held to observe the adhesion quality of the finishing. The adhesion strength required may be different for each type of product. The products that prioritize usability, such as furniture for hotels, offices, and restaurants, will need higher adhesive strength than the products that are purposed to decorate and give aesthetic value.

This adhesion problem, if it occurs, will be a serious problem. Products that are experienced with adhesion problems will appear as damaged products. No matter how good the product looks, it will be useless if the finish is peeled off.

adhesion problem for bamboo finish

The causes of adhesion problems.

Quality of the finishing materials

The quality of the finishing layer highly depends on the quality of the finishing materials used. The poor quality of finishing materials can be due to the production processes in the paint manufacturer or the incorrect handling in the finishing warehouse or finishing field. Finishing materials with good quality can be damaged due to several things, such as being expired, improper storage, improper mixing, inappropriate thinners, and improper application.

Solvent trapped in the film layer

Most finishing materials contain thinner in the mixture, but all the solvent and thinner must be released in the drying process. The presence of solvent in the film layer will affect the strength of the finishing layer. Some adhesion problems are caused by solvents that are trapped in the finish layer. This is due to inadequate drying time, too thick a film layer, or improper application.

Improper sanding

Good sanding is one of the factors that determines the quality of the finishing. For 1-component finishing materials such as NC, acrylic, vinyl, shellac, varnish, etc., the dry finishing layer will resolve and unite with the finishing material layered on it, so sanding will not highly affect the adhesion of the finishing layer. In this system, sanding is more intended to clean and level the surface. But for finishing materials that are not resolved, such as PU, melamine, UV coating, water-based coating, and other catalyzed coatings, the sanding process will greatly affect the adhesion strength of the finishing layer. Sanding not only functions to smooth the surface but also to form scratches on the film layer needed as a grip for the paint that is coated on.

Substrate problems

Substrates can be problematic when they are dirty or contaminated by oil, chemicals, or other dirt that interferes with the adhesion of the material to the surface. The improper sanding will also create problems in the finishing. Then the cleaning and proper sanding are needed for most of the surface as preparation before the finishing process.

The wood and veneer need to be cleaned and sanded properly as the first step of finishing. Do proper sanding according to the wood types and finishing process. To find more about sanding, you can read our previous article: Sanding for the wood preparation

Some engineered wood products, such as MDF, particleboard, HPL, decorative paper, etc., have a slick and thermosetting film layer on their surfaces. To produce a good bond, this surface must be well sanded to provide the scratches needed to produce a good bond.

Certain substrates, such as rattan skin, bamboo skin, have a very hard and solid surface and contain a kind of wax that will interfere with the adhesion of the finishing material. This substrate requires sanding and special materials to produce a good bond between the surface and the finishing layer above it.

Some other natural substrates, such as water hyacinth, pandan, banana leaves, and raffia, contain a layer of wax that has the potential to interfere with finishing adhesion and requires special materials to produce a finishing layer that can adhere strongly to its surface.

Wet wood or water problem

Water is naturally one of the biggest enemies of wood or other natural materials. Water in the wood will try to rise and come out and damage the finishing layer, which will look like an adhesion problem.

Water will also invite fungi or bacteria that have the potential to damage the substrate and the finishing layer above it. This problem can also end with peeling paint and eventually become an adhesion problem.

Film layer that is not completely dry

The finishing layer will not reach its strength if it is not completely dry. A finishing layer that is dry with the evaporation of its thinner may not dry completely or may require a very long drying time due to improper thinner or being too thick film. Finishing material that is dry with a reaction may not dry completely due to low material quality, improper mixing, or an oven that does not match the specifications of the material.

Tips to avoid and anticipate adhesion problems

A finishing layer with adhesion problems almost cannot be repaired. The only way to repair it is to wash the existing finishing layer and refinish it with the correct process. It is a costly, big job; therefore, this problem should be avoided. Here are some things that are needed to ensure that the finishing results are of good quality.

Substrate preparation

Preparation of the substrate is one of the keys to producing a good quality finishing layer. Take the necessary steps according to the type of substrate. For wood and veneer, do good sanding according to the required standards. Check the MC and make sure it meets the safe standards for the finishing process.

For engineering wood materials that have a slick and hard surface, such as MDF, particle board, HPL, LPL, and decorative paper, you need to sand their surfaces to open the surface and make the scratches needed as a bond with the finishing material that will be coated on top.

For natural materials that contain wax, such as rattan, water hyacinth, and pandanus, you need to clean the surface of the wax layer. Use a strong solvent to rub and wash the surface before applying the finishing material on them. Special finishing materials may be used to strengthen the adhesion of the finishing.

For wood that undergoes a chemical process such as bleaching, fuming, or other chemical process, then you have to make sure there is no chemical residue left on the surface. Clean the surface with water or neutralized chemicals to clean the surface before the finishing process begins.

The right finishing process

The right finishing process is needed to produce a good-quality finish. Use good-quality finishing materials and make sure each process is carried out properly by following the technical data recommended by the manufacturer. Use finishing materials that help adhesion for some problem-prone finishing.

Conduct testing every time you create a new color panel, especially when you do new material, substrate, or system. Every substrate or material may have specific characteristics that need to be understood to get the right process. Make sure your finishing process is safe before running it in the big volume production.

Control the finishing material

Use good-quality finishing materials. Usually material problems are detected when the material is being used; at this time the repair process will need time and energy, which is costly. Therefore, you better choose finishing materials from a reliable company to minimize the risk of problems resulting from finishing materials. Keep and handle the material properly, according to the technical data from your supplier. Check on all materials before they are used; make sure you use only the materials in good condition.

Pot life

If you used the catalyzed coating, then you have to be aware of the pot life. The finishing materials that are dry with chemical reactions, such as PU, melamine, or 2-component finishing materials, have a certain lifetime (pot life). When the material has been mixed with its hardener, it must be applied immediately to let the material react and dry when the material is layered on the surface. Don't apply the material that has already reached its pot life. Materials that have passed the pot life period mean that they have finished reacting and cannot adhere well to the surface they are coated with.

Follow the drying time of each finishing steps

The solvent finishing process that uses oil-based stain or glaze has the risk of getting the oil solvent trapped in the coating layer. If the coating is applied on the glaze that has not dried, then the oil will be trapped under the coating. The oil will adhere to the bond between the film layers and result in adhesion problems.

A similar case is when the finishing system combines the water-based and solvent-based materials. Make sure you follow the drying of each finishing step. The presence of water trapped in solvent-based coating or the solvent trapped in the water-based coating will interfere with the adhesion of the whole finish.

Testing and observation

Every time you develop a color, especially for new finishing processes, it is highly recommended to conduct a finishing test before using it. There is a standard test for the finishing quality, but you may need to do some specific tests according to the uses of the product. Some products may need special requirements that you have to acknowledge before deciding to make them. Make sure the finishing system you create is safe before being used for the production process for large quantities.

If you are doing a mass production process, then conduct periodic testing to see the quality of the finishing in the production process. Run several panels in the production line for sample testing purposes to ensure that all products produced have the expected quality.

UV Coating Application in the Wood Finishing

noreply@blogger.com (Unknown) — Tue, 11 Mar 2025 14:32:00 +0000

The UV coating is a coating that dries when the coating layer is exposed to UV light with sufficient intensity. UV coating is a fast-dry, efficient, environmentally friendly finishing with a strong and hard film layer that is highly resistant to heat, solvents, and chemicals. It is lot of used in the modern finishing industry, especially for mass production. More explanation about UV coating can be viewed in our previous article: UV coating for wood finishing.

UV coating application.

The UV coating needs a special process, and he needs special equipment and facilities in the application. Fortunately, the equipment coating technology has developing facilities to accommodate the material application. Meanwhile, the coating technology also keeps improving to provide the materials to fulfill the finishing requirement in the modern wood finishing industry. Both things have encouraged making the UV coating more flexible in application to meet the woodworking industry.

The UV coating finishing schedule consists of 3 main steps. First is layering the coating on the surface, then the UV lamp curing process. The sanding is needed when the coating film will be layered with another coating. There are some equipments that can be used to layer the UV coating on the surface: spray equipment, curtain coater, and roller coater.

Application with a roller coater

The application of UV coating with a roller is the most widely used in the wood finishing industry. Most roller coating machines are invented and designed to apply UV coating. On the other hand, most of the UV coating is designed for the roller machine. The roller coater application allows the coating to meet its advantages optimally. Application with roller can give a fast process and maximum efficiency of material usage.

The complete roller coater consists of a series of equipment to do all the finishing steps for the UV coating finishing system. The product enters the feeding and exits at the other end (output) with a dry coating layer and is ready to be packed. Basically, the finishing schedule of the UV coating finishing process is preparation sanding, coating application, drying, and sanding the coating.

Sanding preparation

In the roller coater application, the product needs to be flat and have the same thickness. Uneven thickness will make the coating layer vary from part to part. For this reason, before entering the roller coating machine, the products should be calibrated (sanded) with a good machine so that they can have the same thickness. Sanding with a precise wide belt sander machine is the first process to ensure the products entering the machine have uniform thickness

Coating application

The next process is the application of coating or other finishing materials. There are several types of UV finishing materials that are all applied to the surface: stain, filler, sealer, top coat, and putty that each may have different characters. To accommodate these finishing materials, there are several types of rollers for the UV coating machine: steel roller, rubber roller, and sponge roller. The steel roller is the hardest roller and is most used for filer or putty applications that require pressure. Rubber rollers are available in some hardness and are the most used to apply the top coat, sealer, or base coat. Sponge rollers are the most flexible rollers and are used for stain applications or on slightly uneven items such as distressed panels or textured panels.

In addition, there is a laser roller that is specially designed for UV top coat applications to minimize the roller marks on the resulting film layer.

Drying the coating

After the UV coating is applied to the surface, the next process is the drying. Objects that have been coated are passed through a UV lamp oven to receive UV light in a certain intensity to let them cure and dry. In a complete UV machine series, the drying process of this UV coating is adjusted according to the finishing stages. There are 3 types of dryness in UV coating: full cure, semi cure, and sanding cure.

Full cure is the condition when the UV coating layer reacts perfectly and the film is fully dry. The full cure is usually needed in the last finishing process. The full cure dry will make the coating film perfectly dry and reach its maximum strength. Products that have passed this stage are ready to be packed or sent to the users. A full-cure coating layer is also needed when this UV coating will be overlaid with other types of coating, such as nc, pu or waterbase.

Sanding cure is a drying process where the coating layer is ready to be sanded before continuing with the next application process. A full-cure coating layer is generally very hard and difficult to be sanded, while the sanding is needed to level the film surface. Sanding cure is a condition where the coating layer is dry to be sanded before layered with another coating.

Semi-cured is half dry when the coating layer is not dry, but it won't resolve when it is layered with another UV coating. This semi-cured condition is unable to apply the multiples of thin layer coating without sanding. Coating with a high thickness tends to leave roll marks on the finishing surface, while the thinner coating layer will leave fewer roll marks. The semi-cure drying is used to apply many layers of coating thinly to minimize roller marks on the surface.

Sanding the coating

Sanding is an important process to produce an even and smooth surface and good bonding at the finishing. There are two types of sanding machines: a wide belt sander and a brush sander. A wide belt sander is used for sanding the flat objects. A brush sander is used to sand uneven objects such as textures and distressed panels.

Application with a curtain coater

The curtain coater may not be as popular as the roller coater, but actually it gives better film coating and good efficiency. The UV coating is diluted with some solvent and additive to make it enter through the curtain coater machine. Application with a curtain coater will produce a smoother surface compared to a roller, but it still cannot be as good as a spray application. Application with a curtain coater will produce better efficiency compared to a spray application, but because there is solvent added to the coating mixture, the efficiency level is still lower than the application using a roller coater.

Application with spray

Spray application is another technique that can be used for UV coating applications. Spray application will produce a smoother and more even surface than the roller coater or the curtain coater, but with less efficiency. The automatic spray equipment that is needed to apply the UV coating. Manual spray is not recommended because UV coating is considered harmful. The monomer content in UV coating has the potential to harm human health.

In the spray application, the UV coating viscosity needs to be adjusted according to the spray equipment specification. Some solvent and additive need to be added in the mixture; as a result, it won't have 100% solid content as a roller application. The spray application will also produce dust spray, which means material waste. Thus, the efficiency will not be as good as roller application or curtain coater application.

Portable UV application machine

The portable UV application machine is one of the new technologies to apply the UV coating. Basically, it is a roller coater machine, but in a small unit. It consists of the roller coater and UV oven lamp that is put on a carrier. It can be brought to the location to do the UV coating application. It can be used to coat the floor that is installed in the house or building. The coating application will be fast and efficient as the UV roller coater machine. It could be a good option to finish the wood product in small-volume production. But this equipment is also limited to the flat products.

The UV Oven lamps

The drying process of UV coating occurs with the help of a UV lamp oven. A certain intensity of UV light is required to trigger the reaction in the coating. There are several types of lamps used to dry the UV coating, that are: mercury lamp, gallium lamp, and LED lamp.

Mercury lamp is the most widely used for finishing wood; this lamp works well with the various types of UV coating, UV sealer, UV stain, UV top coat, and even UV filler and UV putty.

The gallium lamp is needed to dry the UV coating with solid colors. The pigment in the UV coating paint, especially for white, will block the UV light and make the reaction of the paint not optimal. The gallium lamp light is able to through and penetrate the pigment and enable the reaction in the paint coating to be done well.

LED lamp is the new development, but it is still not much used in the wood finishing. It is more used in the UV coating for thin-layer product such as : paper, plastic, etc.

UV Coating, the Hard, Strong and Inexpensive Coating Finish

noreply@blogger.com (Unknown) — Thu, 27 Feb 2025 04:37:00 +0000

UV coating is a type of coating whose drying process occurs due to a chemical reaction (polymerization) that is triggered by energy from ultraviolet light. The coating is made from a mixture of resin with the addition of a material called a photo initiator. When the photo initiator is exposed to ultraviolet rays (with sufficient intensity), it will generate free radicals that will trigger a polymerization reaction in the resin, resulting in a dry and hard coating film layer. The drying process with this lamp energy gives many advantages in the finishing process. UV coating is a 1-component coating that does not require mixing with other materials, making it easy to store and handle. The coating will not dry as long as it is not exposed to UV light with sufficient intensity so that it can be stored for a long time without any issue about pot life as the 2 component material.

The drying process of the UV coating is very quick; once the coating layer is exposed to UV light with sufficient intensity, the coating film will dry in a few minutes. The finishing process with UV coating can be very fast. With adequate equipment and facilities, the products that come out of the UV coating machine are fully dry. It can be immediately packed and sent to the user. The UV finishing room can be a small space; it doesn’t need a big drying room like other coatings.

UV coating was initially used to finish the wooden floors. The application of UV coating can be easily applied to the wooden floors because the floor is a flat board with small size and simple form. Moreover, the wood flooring finish is mostly simple in color and appearance, but more prioritizes strength and protection. The UV coating is lot of used to do the modern wooden floors, ranging from solid wood, laminated wood, veneered panels, and even synthetic wooden floors.

With the development of wood technology, the use of UV coating has also expanded to other wood products such as panels, walls, doors, and furniture. UV coating is one of the most popular coatings for modern finishing processes that require a fast, simple, and low-cost production process.

uv coating for flooring

Advantages of UV Coating

Fast process

UV coating is the most appropriate finishing material to accommodate the modern finishing process that needs to be fast, easy, and cost-effective. The finishing process for UV coating is usually carried out with big equipment consisting of a series of rollers, ovens (UV lamps), and sanding machines that will work on the finishing stages sequentially. The product enters from one end and exits at the other end with a dry film coat with the desired color and appearance. The product that exits this machine is ready to be packed or assembled as a product that is ready to use.

Very high transfer material efficiency

UV coating has very high efficiency of material transfer, meaning most of the finishing material that is applied on will stay to the surface with very little waste. UV coating can be made with 100% solid content without any thinner or solvent in the mixture. Thus, there is no cost-wasting for the thinner or solvent, which is the largest part of the conventional coating. Applying coating with a roller is also a process with very high efficiency because no material is wasted as dust spray as with spray applications. UV coating gives material transfer efficiency about 100%, much higher than other applications.

High-built film

UV coating can produce a thick film layer quickly and cheaply. This coating can layer its underneath with high-solid material by adjusting its equipment. With the proper UV light, the thick film can be generated in a fast and cheap process. In the furniture coating, the UV coating can be used as a base coat to build the film layer before being followed by other coatings to make the high-built finish.

Strong and hard film layer

UV coating can produce a strong and hard film layer. Once it is dry, the UV coating films are thermosetting, which are resistant to solvents, chemicals, and high heat. UV coating layers are also very hard and scratch-resistant; the hardness of the film layer can reach 8H pencil hardness, much higher than other coatings. That is why this coating is the most appropriate coating to coat wooden floors that require the maximum hardness and strength.

Low end cost

In general, UV coating is marketed at a higher price compared to other coatings, but with its high level of efficiency, this coating will produce a cheaper end cost compared to other coatings. With the same film layer thickness, UV coating will require less than half in finishing cost than other conventional coatings.

Disadvantages of UV coating

Although it has many advantages, UV coating also has disadvantages that limit its use. Here are some disadvantages of UV coating

Need special equipment

This UV coating is mostly applied with rollers; therefore, it can only be applied to flat objects. Application by spraying can be done, but it will require solvent to dilute the coating according to the ideal viscosity for the spray process. This condition, of course, will make the finishing cost expensive and no longer economical. Spray application will also produce dust spray that will pollute the environment. Dust spray from UV coatings is considered more dangerous than other coatings because it contains monomers that potentially trigger cancer in humans.

- Relatively limited for simple finishing

Because of its limited application method, this coating is only suitable for simple finishing. Complex finishing with multi-step applications cannot be accommodated by this coating. The finishing antique or special finish with many effects is very difficult to do with this coating. The handwork and art process are very limited due to their application.

Limited use on flat shapes

This coating also cannot be used for products with complex shapes. The drying process of this coating requires a UV oven, which needs a closed room. UV ray is considered harmful since it can trigger cancer in humans who are exposed to them; therefore, the UV lamp oven must be tightly closed. UV lamp ovens for flat objects is relatively easy to make since it is considered two-dimensional. But for products with complex shapes, it's quite difficult to be built. A large room with very high lamp energy is needed to build an oven for 3-dimensional objects.

Currently, many portable UV lamp ovens have been made that can be directed to illuminate certain parts. However, the use of this tool is still not easy to do for complex products.

Uses of the UV coating

Wood Flooring

UV coating is the best coating to finish the wood flooring. Almost all finishing processes on modern wooden floors or engineered wood flooring are done with UV coating. UV coatings provide the properties needed for floor finishes, such as being strong, hard, durable, and low cost. Many other finishing materials, such as UV stain, UV filler, UV Putty, and UV primer, are available to support the UV finishing process. Many models and types of machines are invented to accommodate the UV finishing process.

Walls, flat panels and furniture components

UV coating is also widely used for finishing on flat panels for various purposes, such as house walls, doors, or components for modern furniture. Panel boards for kitchens or home cabinets are most often finished with UV coating. Furniture with simple and knockdown models also widely uses the UV coating process.

Things to consider in using UV coating

Volume of work

The UV coating application process requires special equipment, a series of roller machines for coating application, UV lamp ovens for the drying process, and sanding machines (wide belt sanders) for the sanding process. In a complete finishing system, the machine for the UV finishing process consists of a series of several machines that work sequentially, each of which works automatically. All of these series of machines are big machines that could be considered expensive stuff. Investment in this machine is a cost that must be considered when you decide to use the UV coating system.

When the machine runs, it needs to be set up and arranged to do the object in the same size and shape. When the shape and object change, then the machine needs to be rearranged. Make sure you have enough volume of products to make sure you can run the machine efficiently. Calculate the volume of work, the benefit, and compare it with the investment cost you need to run the UV coating process.

Shape of goods

The finishing process with UV coating is in principle more suitable for products with flat shapes, such as floors, panel boards, and flat components. The products with 3-dimensional shapes such as tubes, circles, or posh are not suitable for UV coating finishing. Although technically UV coating can be diluted and applied by spraying, it is not efficient and will be costly.

Make sure you know the type and shape of the product you are going to process and make sure it can be run with a UV coating machine

Quality demands of the finishing.

UV coating will indeed produce a hard and strong film layer, but it cannot produce a perfect appearance. The film layer from UV coating is generally not smooth, even like the film layer produced by PU, melamine, NC coating, or other coatings that are applied by spraying. Therefore, finishing with UV coating is not very suitable for finishing the product that wants maximum beauty of appearance. To produce a good finish, UV coating is usually used together with other coatings, such as NC, or PU. The UV coating in the base, followed by PU or NC coating as the last layer, is the better option to make a high-beauty finish.

Nitrocellulose Finishing System, the Most Beautifull Wood Finish

noreply@blogger.com (Unknown) — Thu, 20 Feb 2025 15:17:00 +0000

The NC finishing system is a finishing process using NC (nitrocellulose) as the main coating. Coating is the material that forms a film layer in the finish. There are 2 types of coating: the clear coating and the colored coating. The clear coating is a coating without color; these are the sealer and top coat. While the colored coatings are the coatings with color inside, these are base coat, enamel, and primer. The NC finishing system is a finishing process that uses NC sealer, top coat, or base coat as its main material.

The NC finishing system is a modern finishing process used to replace the previous finishing process that used traditional finishing materials such as shellac, oil, wax, or varnish. The development of NC coating was then followed by the development of other finishing materials such as stain and glaze that are designed to produce the variety of colors and finishing appearances. Furthermore, several special finishing materials were also developed to produce special effects such as waxing lacquer, powder glaze, crackle lacquer, veiling lacquer, etc. All those special materials were generally made to be applied together with the NC system. Thus, until now, the NC finishing system is still the best system for wood in terms of beauty, color, and appearance variations.

NC finish for cabinet

Advantages of the NC system

Nitrocellulose (NC) finishing is one of the most popular finishing systems in the wood furniture industry. Here are the advantages of the NC finishing process.

Simple, fast and easy

NC coating is a 1-component coating that can dry at room temperature. The application of this coating is relatively simple and easy. It does not need an oven or special room. The dried coating layer can be easily dissolved with the solvent. It makes the finishing easy to be revised if there is something wrong with the color or appearance. The new coating can be applied on the previous film easily to make a multilayer finishing coat. The NC is a solvent-based coating that can dry at room temperature with less sensitivity to the room conditions. This fast-drying character makes this coating able to accommodate the “special look” finish that needs many steps and the complicated process. The NC coating layer is not too sensitive to the presence of dust and temperature and humidity of the finishing room. The NC finishing process can be done in the "simple room" and does not need a special room, such as PU or melamine coating.

The best appearance and color

The film layer produced by NC coating performs the clear and thin film with a natural appearance. No other coating can give the clarity as the NC coating. The NC is the best coating in terms of color and appearance. With the right process, the NC coating will maximize the wood's natural beauty.

Wide range choices of colors and appearances

NC coating has the most complete supporting material to make many finishing colors look. Most of the coloring materials, such as stains and glazes, work well with the NC finishing system. Most of the special materials to make many special effects are designed to be applied in the NC finishing system. Therefore, the NC finishing system is the most complete and easy-to-use finishing system. especially when the special colors and appearances are needed. It is also compatible with other types of coatings that make this finishing have a wide range of applications for wood and furniture finishing.

The disadvantages of the NC system

Behind all its advantages, NC coating also has several disadvantages that must be acknowledged by the finishing player. Here are some of the weaknesses of the NC finishing system

Yellowing

The NC finish will turn yellow after a certain time. This yellowing phenomenon may not be a problem for the finishing with a dark or brown color. For the wood brown color, the yellowing even makes the effect of "patina look" that may enhance the finishing beauty. But for white and light colors, this yellowing potentially interferes with the appearance and color of the finishing. The yellowing film will change the finishing color of the product, which means the inconsistency in color.

Low resistance to the solvents, chemicals and physical abuse

The film layer of NC coating generally cannot provide the high-resistant finish. The NC coating film is a thermoplastic film that will be ruined when it is exposed to the solvent and chemicals. The NC film is also relatively soft and cannot withstand physical abuses such as scratches, high temperatures, or other strong physical treatment. The NC finishing is not recommended for products that require maximum protection from the physically and chemically exposed, such as dining tables, furniture for restaurants, cafes, etc. The NC film is also not strong enough for outdoor weather; then it is not suitable for outdoor products.

Thin film layer.

NC coating has low solid content; generally, the NC coating in the application has a solid content of around 18%. The higher solid content will immediately increase the viscosity of the coating, making the application process difficult. Therefore, this coating is not suitable for finishing that requires a thick film layer. To build the thick film layer, many coating layers will be needed, which will take a long time and consume a lot of material. The thick film finish with NC coating is also a risk to the crack problem.

Flammable material

NC coating is a highly flammable material. It is made of the wood fibers, which were used as the main fuel in human life before fossil fuels and electricity were invented. Moreover, this coating is used together with solvents and thinners, which are also flammable materials. If you use a lot of NC coating, then you need to consider the fire risk. The firefighter system and equipment must be prepared to anticipate the fire hazard.

The finishing system

Currently, the NC finishing system is also widely used with several variations together with other types of coating to meet the demands of color and appearance.

Full NC

It is the finishing process that uses full NC coating for the whole process. The NC sealer and top coat are used to cover and coat the wood stains in the finishing process. For the solid color, the NC base coat or NC primer coat is used to make the paint color. Glaze application can be added to form the patina effect or other antique effects. If a close pore finish is needed, then a filler application is needed to fill the wood pores and grain. The solvent-based stain is most used for the NC finishing system. By adjusting the stain and solvent used, many model stain applications can be carried out to meet the desired color and appearance.

NC combined with PU

NC combined with PU is often used to produce a finish with a thick film layer. PU sealer or PU base coat is used at the beginning of the process to help form a thick film layer that is difficult to be obtained with the NC coating. The NC layer is applied over the PU film layer to make the finishing process easier and faster.

NC combined with UV coating

The NC system combined with UV coating is used for the simple-look finish with the purpose of speeding up the process and reducing finishing costs. UV coating is applied at the beginning of the process to form a thick and strong film layer. The NC is layered above it to form the desired color and appearance. This process will reduce the consumption of the materials, shorten the finishing process, and finally lower the finishing cost. But due to the limitations of the UV coating application process, this process only works for flat objects and simple colors.

NC combined with Melamine

The NC system combined with melamine is done to produce a finishing with a thick film layer. Like PU coating, melamine coating is used as a material to fill and cover wood grain and pores before continuing with the application of NC coating on top.

NC combined with vinyl

NC combined with vinyl is usually used to increase the adhesion of the finishing layer. It is usually needed to do the special substrates that require better adhesion, such as rattan, leather, water hyacinth, or raffia, and other synthetic materials. The vinyl coating is used as the first layer to increase the adhesion to the substrates. The NC coating can be applied on the vinyl coating to form the color and look needed.

NC combined with water base

The NC, combined with a water-based coating, has been used when the water-based finishing material is introduced. There are many water-based finishing materials that can be used together with NC coating. Water-based stain and water-based filler usually can be applied together with NC coating without any problem as long as the materials are completely dry before being covered with the NC coating.

Some water-based coatings (sealer, topcoat, and paint), especially the 1-component type, can be applied over NC with good results. And conversely, several types of water-based coatings (sealer, top coat, or base coat) can be coated with NC coating on top with good results.

Consideration for the NC finishing system

Nitrocellulose finishing is the right choice for those who want a natural and elegant wood finish at an affordable price; however, not all products are suitable for NC finishing. It has some disadvantages that need to be recognized before you decide to choose the finishing system. Make sure you understand the product use and choose the best suit finishing system to make it. Make a step panel to obtain the finishing required before doing the big volume production. Some tests may need to be done to make sure the finishing quality is according to the requirements.

The hybrid system (NC coating in combination with other coatings) must be considered as the NC finish. It has strength and durability as an NC finish and has a yellowing phenomenon that must be understood when you choose the finishing process.

Antique Peel Off Paint 2, Peel Off Finish with NC System

noreply@blogger.com (Unknown) — Sat, 08 Feb 2025 13:51:00 +0000

Antique peel-off finish is one of the antique finishes on wood furniture. This finish displays the effect of the “peeled off paint” in several places so that it shows an old and damaged impression. In the previous article, we have shared about the antique peel-off technique using latex paint (wall paint); see our previous article: Peel-off finish with latex paint. In this post, we share about the peel-off finishing technique with NC full system paint. In this finishing, all finishing processes are carried out with NC finishing materials, the best material to do the antique finish. (To learn more about NC paint, please visit our previous article at: NC finishing )

The main idea of the peel-off paint is the application of "ressist materials" before the paint application. The resist material will block the paint layer, make it unable to stick to the surface, and create the peel-off effect.

There are several materials that can be used as the "ressist," such as gel soap, vaseline (petrolium jelly), candle wax, or other materials that are not dissolved with paint. This material is applied to the desired parts or the surface to block the paint or coating that will be applied to it. When the paint is applied on the surface, it cannot stick to the surface, and then with a little sanding or rubbing, the paint will come off and create the peeled-off paint effect.

Step panel for the peel-off finish

The finishing process, step by step

Stain application

The stain application is purposed to color the wood base; in this finish we used a brown stain. With the brown stain, you will get the brown wood color as the underneath color that will be shown at the peel-off parts. The stain application also makes the final color more uniform and less affected by the variations in the wood base color. This stain application can be omitted if you want the natural wood color to appear on the peeled paint.

In this panel, a brown stain was applied by sprayed evenly onto the wood surface.

brown stain to color the wood

Sealer application

A sealer layer is needed to protect the stain so that it is not removed by the next finishing process. The sealer layer is also needed to produce a smooth surface and provide a film built to the finish.

The sealer is applied by wet coat spray and evenly layered over the entire surface. Wait until the sealer layer is dry, then sand it to cut off the wood fibers and produce a smooth surface.

the ressist material is applied on the wood

The peel-off effect

It is the process of peeled-off creation. Apply the ressit material (gel soap, candle wax, or petroleum jelly) to certain parts where you want the peel-off to be located. You can use a small brush, rag, paper, small stick, or even a finger to apply the ressist material. Make sure you put it in the right places with the right technique to produce a good antic (peel-off) effect. You can get some different effects depending on how you apply it. The placement of the resist material also needs to be done properly and randomly to get the peeled-off effects look natural and nice.

The paint application

Paint application

The next process is the paint application. In this finishing we use red paint, but you can use any paint color to make your own finish. The paint is sprayed evenly over the entire surface. Wait until the paint layer is dry.

Sanding

After the paint layer is dry, the next process is the sanding process. Sanding in this process has 2 functions: to produce a smooth surface and to produce the peeling paint effect. The sanding process on the paint layer will rub the paint surface and detach the paint on the ressist material and create the “peel off” effects.

Sanding is continued to the entire surface to cut the rough film and produce the smooth surface

the peel-off effect

Sealer application

After sanding, the next process is coating with a sealer. The sealer layer will provide a film layer to protect the color and all the effects that have been obtained. The sealer is applied by sprayed evenly over the entire surface. Wait until the sealer is dry, then sand the sealer layer.

Glaze application

If you want a peel-off with a dirty, old, or patina look, then you need the glaze application. In this panel, glaze with a dark brown was applied on the surface to create an antique, old, and dirty impression.

You can use glaze with any other color if you want to. Some highlights can be done to make a more dramatic antique impression.

Wait until the glaze layer is dry before coating it with clear coat

the glaze application to make more antique and old impression

Top coat application

The top coat is the last layer that functions to form a film layer to give protrecton for the finish. The top coat also forms the gloss of the resulting finish. The top coat with medium or low gloss can be chosen for this finish. Apply the top coat by spraying wet over the entire surface. Wait until the paint layer is dry, then check and see the results. If the surface is still rough or the gloss obtained is still uneven, then you can sand the finish and reapply the top coat.

antique peel off without glaze effect

the antique peel off with glaze application

Sofa, Furniture with Comfortable

noreply@blogger.com (Unknown) — Mon, 27 Jan 2025 01:36:00 +0000

A sofa is furniture that is built and made as a place to lay the body and sit comfortably. If cabinets or tables are made as a place to put things, then the sofa is made as a place for people to sit, lie down, and relax. Therefore, comfort and safety are important factors that must be met by a sofa. Ancient sofas may have had relatively limited shapes and appearances, rigid and simple forms, because they had to be able to fulfill their main function: to provide comfort for their users. However, with the development of construction and production technology, sofas are now available in many attractive and beautiful models and shapes. Today's sofas not only function as a place to sit or lie down but also to form the aesthetic value and decoration theme of the room.

sofa production

Sofa components

A sofa basically consists of several main components that support each other to function as comfortable and attractive furniture.

Frame

The frame is a part of the sofa that functions to support the other parts of the sofa. There are many choices of materials for a sofa frame, such as wood, metal, and natural substrates or synthetic materials. Frames can be designed in various shapes and models to build the decorative look for the sofa. Hardwoods such as oak, mahogany, maple, etc. are the popular woods for sofa frames. A sofa with a wooden frame is an excellent choice to complement a room that uses wooden furniture.

While iron is the most used metal material. Iron can be formed relatively easily to produce many shapes and models at a good price. With proper finishing, iron frames can produce sofas with special-looking and attractive appearances. Rattan is the other material used to make the frame. It is a natural substrate that gives a special, natural look. Rattan is flexible substrate that makes the sofa more comfortable and flexible.

Cushion

Cushion is the inner material of a sofa, which functions to provide a soft and comfortable sensation. The natural materials that were often used in the past were kapok, or cotton, and goose feathers. However, nowadays it is very rarely used because of price and source reasons. Most of the cushion materials currently are foam, which is a synthetic material. It is an engineering product that can be designed in various densities. The higher the density, the firmer it is, whereas the lower the density, the softer the sofa will feel. High-density foam provides firm support, while down-filled cushions offer a plush, sink-in feel. Many modern sofas use a combination of foam and filler down for balanced comfort.

Upholstery

Upholstery is the outermost part that wraps around the cushion. It is actually the part that gives the majority appearance. The upholstery is the main element to build the aesthetic of the sofa. Fabric is the most widely used for upholstery. It provides many choices in the colors, patterns, and even the thickness and texture.

Animal leather is also used a lot as upholstery; cow and goat skin are the most used since they're available in the industry market. Leather for upholstery has advantages because it is cool and gives a luxurious impression.

The other material for upholstery is synthetic leather; it looks like leather but is the result of industrial engineering. This synthetic leather provides more variety of appearances compared to natural leather with a cheaper price.

Some natural substrates, such as rattan, bamboo, hyacinth, and some other natural substrates, can also be used to make upholstery. With proper design and model, the natural substrate will give the country and natural impression to the sofa.

Support

Support is the part that holds and bases the cushion. There are several options for this support, from the simplest, a flat board, to the more complicated construction, such as special knitting from elastic material. The flat board is the simplest thing; the flexibility of the sofa is determined by the filler inside, the foam, and the down fill in the cushion. The support from the knit will provide additional flexibility and a comfortable impression of the sofa, but it will be more complicated in construction.

sofa classic

Sofa models

Classic

Classic sofas are like classic furniture, bringing the elegance and historical value of sofas from the past. This classic sofa is usually equipped with a carved wooden frame with an antique or classic finish. A classic sofa is the right choice to create a classic room decoration together with other classic furniture in the room.

Country

Country-style sofas are a complement to country furniture, which emphasizes a free and friendly natural atmosphere. Many of these sofas are made with wooden or iron frames with a country or rustic appearance. Country sofas can also be made using natural materials as upholstery, such as rattan, bamboo, water hyacinth, or other materials. Bias pillows are added to keep the sofa comfortable to use.

luxurious

A luxurious sofa is a sofa that is specially built to give a luxurious feel, which makes Susana's interior more luxurious, expensive, and elegant. This sofa was built with a beautiful design and made with expensive materials. Starting from the cushion, frame, and filling material, it is made from expensive and high-quality materials. Cushions can be made from leather or special fabrics; foam is made from the highest quality materials. To give a luxurious impression, expensive filling materials can be used, such as goose feathers or materials, and combined with frame materials that support a luxurious and expensive impression. The frame used can be made from expensive materials such as stainless steel or iron with a special finish or made from wood with a special finish such as gold, silver, etc.

Simple

Simple sofas prioritize function and simplicity. This sofa is one of the most popular sofa choices today. Sofas can be made with 2 seats (loveseat), three seats (three-seat sofa), or sectional sofas, which consist of many parts that can be arranged and installed according to the needs and conditions of the room. Sofas can also be designed in a shape like a bed so they can be used as a bed and lie down comfortably (sofa bed).

Modern sofas can be made in more diverse and varied models. Sofas can also be made in different colors. Bright and bold colors can be used for modern sofas. Various models of sofa furniture come with different designs and models to meet various needs and preferences. Several unusual models can also be chosen to meet the tastes of modern people who are full of freedom and choices.

sofa modern

Tips for choosing a sofa

With the many choices offered by the furniture industry, actually everyone can choose the type and model of sofa according to their wants. But to get the right product, you need to consider some basic things.

The room size

When installed, the sofa must fill the existing space well. A sofa that is too large will make the room full and cramped, thereby reducing comfort and freedom for the occupants. Understand the room you have, then choose the sofa with the size and model that suits your room. For large rooms, sofas with large sizes and complex models may be chosen. However, if your room is small, then the simple form is better, and you can play with the upholstery look and design to fulfill your decoration idea. There are a variety of upholstery designs that are made for the modern sofas to suit the conditions of the room without abandoning comfort and beauty.

The room decoration

Apart from functioning as a place to sit and lie down, the sofa also functions as a decorative element of the room. Therefore, you have many options to choose the type and model of sofa according to your taste and the room decoration theme that you like. The decorative element of a sofa can be built from the choice of shape, color choice, material, and theme of the upholstery used. If your space allows, you can have more freedom in choosing the model and shape of the sofa, but if your space is limited, then you can maximize the decorative elements by choosing the color, material, and theme of the upholstery.

Health and safety factors

Make sure you consider the safety and health factors. Make sure the sofa is made from materials that do not cause allergies to your body. The upholstery of the sofa tends to hold dust and dirt. Consider the cleaning and maintenance process you need for your sofa and make sure you can carry out the maintenance process easily.

Consider safety factors; think about the risk of danger that might occur in your room. If your room has a high risk of fire, then choose a sofa made of fire-resistant material. Also, make sure that the arrangement and placement of the sofa are carried out with safety considerations. Make sure it does not interfere with the evacuation process if an emergency occurs.

Comfort factor

The purpose of installing a sofa is to provide comfort; therefore, make sure you choose a sofa that is comfortable according to your conditions and needs. The comfort factor of the sofa is determined by the size and model of the sofa and the softness of the cushion used. Make sure you choose a sofa according to the comfort you want. Do a test by sitting and lying on it to make sure you can use the sofa you bought.

Base Coat, the Finishing Material for Paint FInish

noreply@blogger.com (Unknown) — Sun, 12 Jan 2025 06:55:00 +0000

According to its name, the base coat is paint or coating that is used as the base layer in the first step in the finishing process. However, in wood finishing, base coat is usually referring to the finishing material that is used as a color-forming material for solid colors or paint finishes. A base coat is applied at the beginning of the finishing process to make color, even though also has other functions such as: closing the pores and grain to make an even and smooth surface, or some other functions according to the type of the base coat. Base coat is one of the finishing materials that is widely used in wood finishing and furniture finishing and is also available in various types with their respective properties.

Base coat formulation

Base coat is made from pigments that is mixed with binder, a thick resin mixture as sealer or coating which is a material that forms a film layer. Thus, the coating results from the base coat will also produce a thick film layer like a sealer or coat instead of forming the color.

base coat for golden white paint finish

Types of base coat

According to the type of resin, there are several types of base coats, such as : NC, PU, AC, Vinyl, water base, etc. Each type of base coat has different properties according to the type of resin used. In principle, the properties of the base coat will depend on the type of resin used. There are some types of base coat that are most used in the wood finishing process.

NC base coat

Is a base coat made of pigment material with a binder of NC resin as the main resin. NC base coat physically has properties like NC coating. It is 1 component material that dries with evaporation of its thinner, dries quickly, and is easy to be used and handled like NC coating.

Waterbase base coat

Waterbase base coat is a paint with water as its main thinner. Like other waterbase paints, this paint is also available in various types, such as: 1 component waterbase base coat, 2 component waterbase base coat, oven dry waterbase base coat, etc. This waterbase base coat is the paint that is now widely developed by the paint industry to meet the desires of the community who want environmentally friendly finishing materials.

PU base coat

It is a base coat with PU coating as binder. Because there are many types of PU, then there are also many types of PU base coats available in the finishing industry, such as PU exterior base coat, PU interior base coat, PU acrylic base coat, etc. This PU base coat has properties like PU coating; it is a two-component material that can provide a strong, thick, and hard film layer.

Vinyl base coat

Vinyl base coat is base coat paint with a vinyl base. This paint is a finishing material provided to complement vinyl coating to build finishing on substrates that require a full vinyl system finishing system such as: finishing on moving substrates or the special materials that need good adhesion properties.

Base coat colors

In the base coat formulation, pigment is added to make color of the base coat. Basically, all kinds of colors of base coat can be made to meet the needs of the finishing industry, but in general, the base coat colors available in the wood industry are not too many. The most common base coats are: white base coat, black base coat, and the basic colors. If needed, finishing industry players can mix to make colors according to the desired color needs.

Beside of the standard pigments, some special materials can also be added to the base coat to produce certain colors or effects, such as: gold powder, silver powder, aluminum paste, metallic color, etc.

Function of base coat

The function of the base coat is to form color and, at the same time, form a film layer on the wood surface. The application of the base coat will provide a film layer with specific color. The base coat layer needs to be dried and then sanded properly to make an even color and smooth surface. The application of the base coat also work to close the pores of the wood and produce a flat surface. The application of the base coat also raise and make the wood fibers hard and stiff. With good sanding, the wood fibers will be cut and result to a flat and smooth wood surface.

The base coat will also build color in the finishing process according to the color of the base coat. The base coat can be made in various colors according to needs by adjusting the pigment mixture in it. The coloring of the base coat will fully cover its substrate, meaning that the resulting color will not mix with the color below it but depends entirely on the color of the base coat applied on.

Base coats with special formulations can also be made for some specific purposes, such as increasing adhesion, anti-rust material (for metal materials), closing wood grain and pores, etc.

Application of the base coat

The application of base coat basically depends on the appearance and color of the finishing desired. Usually, base coat is applied by spraying to the entire surface evenly, although other ways of application can be used, such as: by rolling, brushing, sponging, etc. In most finishing processes, the application of base coat is continued with a sanding process to produce a flat and smooth surface. However, there are several variations of application that can be done to produce the required coloring and appearance.

Base coat for solid colors

The base coat to build solid colors must be able to cover its substrate completely. A fairly thick base application is needed to cover the base color of the substrate underneath so that the resulting coloring can be stable. For this reason, a minimum of 2 layers of base coat application is needed, followed by good sanding for each layer to ensure that the base coat can cover the color of its underneath perfectly.

Base coat for antique colors

For antique finishing, the base coat can be the object of the antique process. The application of the base coat can be followed by an antique process such as physical distress, sanded trough, washed off, and other antique processes. The base coat for this process may not have to be totally covering and thick but can be a thin layer, semitransparent according to the needs of the finishing process. The base coat can also be overlaid with special paints such as crackle paint, texture paint, etc. In addition, the base coat can also be made specifically to produce special effects such as cracked paint, textured paint, broken, etc.

Base coat with thin coloring (semi-transparent)

In some cases, the base coat can also be made with coloring that does not totally cover its underneath. The base coat can be thinned so that when applied it does not completely cover the surface underneath but produces semi-transparent coloring. The resulting color is a combination of the substrate color and the base coat color.

Things to consider when applying the base coat.

Layer thickness

The thickness of the base coat layer will determine the coloring resulted by this base coat. A thin base coat layer will allow the color of the substrate to appear and mix with the color of the base coat. In some cases, this will cause color problems. When you choose to use a base coat and form a solid color, of course you expect to get the same color in every part of the product and in every product you do. However, if the base coat application is not thick enough, and the color of the base coat cannot completely cover the entire substrate below it, then your color will affected by the substrate. When there is color variations at the substrates (which is often found in the wood industry), the color of the finishing will also vary. To overcome this, make sure that the base coat coating is done with sufficient thickness. To get sufficient thickness, at least 2 of base coat by spray wet coat applications are needed with a good sanding process on each layer.

Base coat type

There are various types of base coats, and each type has different properties. Therefore, make sure you know the type of base coat you are using and recognize its properties. Thus, you will be able to use it with the most optimal results.

Substrate type

There are many materials used in the wood and furniture industry. There are various types of wood, which has its own unique and distinctive properties. The wood and engineering wood has its character that may need different treatment. Make sure you know clearly the type of substrate and material you do, and make sure you recognize its properties and choose the type of base coat that is most appropriate for your needs.

Finishing step

Step panel is the important tool in the finishing process. For more information about the step panel, you can view our previous post: Step panel for wood finishing. Make sure you make a step panel first at the beginning of the finishing process to be able to determine the finishing processes needed with all its materials.

Stain Application for Distress Finish

noreply@blogger.com (Unknown) — Fri, 03 Jan 2025 16:02:00 +0000

The stain application technique and the physical distress are the main tools for creating an antique and old look in the finishing process. Physical damage that has been created in the physical distress step needs to be completed with the proper stain application to make the antik look product. You can get more information about the physical distress in our previous article: physical distress for antique finishing. Now in this post, we will share about the stain application to make antique finishing.

Stain is the tool to strengthen and form the damaged, old, and antique appearance of the physical damage obtained from physical distresses. Stain with a special application technique can produce an antique appearance with or without physical distress; therefore, stain application is more important in the antique finishing process.

Antique furniture

Patina

Patina is a layer that is formed naturally on the object's surface due to age. As time goes by, an object will change its appearance because of the absorption, deposition, or loss of elements due to the oxidation or chemical reactions. In antique objects, patina is widely used as an indicator of the antiquity of an item. Patina is an effect that forms naturally and takes tens or hundreds of years. In antique finishing, this patina effect is created with a special stain, namely glaze. With the proper application, the glaze can mimic the patina to make an old and antique-looking product.

Stain to do antique finishing

There are many types of stains that have been provided by the finishing material industry with various specifications, and some of them are specially made to make the antique finishing process. Here are some stains that are specially made to make an antique look.

Glaze

Glaze is a stain that is specially designed to be applied between layers of coating. It is a wiping stain that is made from inorganic pigments with special binders and oil thinner that won’t dissolve the coating underneath. The glaze can be layered on the coating surface without resolving and damaging the coating, and it can be added and removed easily without affecting the coating underneath.

In the finishing process, the glaze is a very important material to make the antique finishing. Glaze can be brushed or ragged on the coating and layered it evenly with its color. The coloring result is a deep and soft look that is look like patina. Glaze is also used to fill wood pores, grains, gaps, cracks, and holes from the physical distress step to give the antique and old look. Glaze is also the material to create the dirty impressions, such as cowtail marks, brush marks, spatter marks, and others to make antiques.

Powder glaze

Powder glaze is a glaze but with the addition of powder in it. Powder glaze is used to create a dusty or dirty impression on the finishing. Powder glaze can produce a more dramatic dirty effect on the finishing by filling the pores and grain, holes, gaps, dents, and other wounds from the physical distress.

Pad stain

Pad stain is a stain that is designed to be applied with a padding process. This stain is made from organic pigments that are diluted with alcohol, a solvent that can dissolve stains but is a weak solvent for coating layers. Thus, pad stain can be applied on top of the coating layer without damaging the coating film. Unlike glaze that uses inorganic pigment, pad stain uses organic pigment dyes that will provide brighter color and the transparent look. The effects of the pad stain application will be more transparent and bright compared to the effect of the glaze application.

Water base stain

The waterbase stain is with water as thinner. Therefore, this stain can be applied on top of the coating layer without damaging the coating layer below. It can be used to make many antique effects in the finishing. Waterbase stain can also be used on solvent-based paint to create various antique effects as needed.

Coating for the antique finishing

Actually, almost all types of coating can be used to do antique finishing, but NC coating is the best material to make antique finishing. NC coating gives the clearest look, with a thin film layer to produce an excellent natural antique appearance. NC is a one-component coating that is fast-dry and easy to use. By using the NC coating, then the antique finishing process can be done easier and faster. The NC coating is able to accommodate the many steps to create the antique effects in the finishing process. The NC character that is not too sensitive to the environmental conditions makes it can be applied in the non-ideal room conditions when the antique finishing process is carried out.

Other coating materials, such as PU, AC, and water-based coating, can actually also be used, but will experience difficulty with the longer drying times and the complicated coating application of the coating.

The distressed stains

Spatter, specs fly

Spatter is splashes of liquid as the result of insect droppings or other dirt that falls and sticks to the surface. Spatter in the finishing process is created by sprinkling of the stain on the surface to make dots or stain marks. Spattering can be done with a brush or spray gun with special adjustments. The stain used is a pad stain or glaze that can be easily removed again if it is considered too excessive.

Spatter

Patina look

This patina look is one of the most important effects of the antique finishing. In the antique finishing process, this patina is produced by applying glaze. Glaze that is wiped and brushed onto the surface properly will produce an even layer of the stain on the surface. The coloring resulted is a soft and deep look as patina. When it is applied to the wood, the glaze will fill in and stay in the pores, grain, holes, dents, gaps, and other crevices. This will produce a stronger impression of natural aging. The highlight process can be done by removing or reducing the glaze layer on the surface to produce a more lively and attractive appearance.

Patina look

Dusty look

Dust is one of the natural impurities that are often found on old objects. Dust that falls and sticks to the surface of an object tends to be difficult to clean since it will remain inside the wood. This dusty appearance can be created using the powder glaze. Powder glaze is basically a glaze, but with the addition of talc in it so that it can produce more dust effect. This powder glaze is usually gray or white, although it can actually be made in other colors.

dusty look

Smudge pad

Smudge pad is the padding method that is purposed to produce a dirty or smudged impression. The smudge pad is done using pad stain. The smudge pad is done in the finishing process to make the smudge and dirty look in the finishing.

smudge effect

Dirty look

Objects that have been used for a long time will become dirty for various reasons. In the antique finishing, the dirty effect is made by glaze application. There are many techniques application can be done to make many dirty effect. The glaze application by brush on the surface can form many dirty effects on the finishing.

dirty look

Watermarks, water spots

Watermark or stain mark is one of the stain application techniques to produce a dirty or stained impression due to liquid droplets. Unlike spatter, which is in the form of small splashes, a watermark is a stain mark with a larger size. It is the effect of imitating the dirty or damaged appearance due to liquid droplets from tea, coffee, or other drinks. Some watermark techniques can also be used to imitate wood fungus.

watermarks

Things to consider when doing the antique finishing

Shape and model of the stuff

All kinds of antique effects created must be applied according to the shape and model of the stuff. The antique effect and distressed creation must make the product look more beautiful and attractive. One of the considerations used to determine the appearance of the finishing is the shape and design of the stuff. Actually, there is no strict rule in the finishing look since it depends on the person's taste and feeling. In general, antique furniture is designed following furniture models in the past. Then the furniture looks and models in the past can be used as a reference to determine the furniture look of your antique product.

Type of stain used

Each type of stain has its own different properties and will provide different coloring results and effects. Pad stain made from organic pigments will generally be able to produce more transparent and bright colors. Therefore, when used to create an antique effect, it will also provide a brighter and more transparent coloring effect. On the other hand, glaze made from inorganic pigments will produce colors and effects that are more closed than pad stain. Make sure you know your stain's character, and then you can maximize it to make the finishing look you need.

Application technique

To produce the desired effect, the right application technique is crucial. There are many application methods that can be used to produce antic effects. Make sure you are familiar with the technique you are using and know the appearance results that will be obtained. Create a step panel first to ensure the finishing steps you need before carrying out the finishing process on goods or products on a large scale.

Woodboring Beetle, the Silent Wood Destroyer

noreply@blogger.com (Unknown) — Sun, 15 Dec 2024 08:42:00 +0000

The woodboring beetle is one of the threats that is very damaging to the wood and its products. The insect uses wood as a medium for living, breeding, and a source of food for its lives. Woodborer has become the enemy for woodworkers because it damages almost all wood and wood products, such as furniture, floors, doors, walls, and construction. This insect's attack is easily recognized by the presence of wood powder on the surface of the wood, which is why it is also known as :powder post beetles.

The life cycles of woodborer beetle

There are several species of woodborer beetles; each has slight differences in size, shape, and life span, but in general, the life cycle of these insects is very similar. The woodborer life cycle is as follows: egg, larva, pupa, and adult insect. Eggs are the insect’s tool to reproduce and create new living creatures. Adult insects’ mate and produce fertile eggs, which will grow to be new insects. The mother insect lays its eggs on the wood surface; wood cracks or injects them into the wood. These eggs will stay in the wood for a certain time until they hatch to become larvae. The eggs will stay in the wood and survive at a certain time, which varies depending on the species and the wood condition. After hatching, the larvae begin to dig tunnels in the wood to feed.

This larvae phase is the phase that damages wood. The larvae eat wood and form tunnels in the wood, which will damage the wood structure from the inside until they become adult larvae (pupae). The larval phase can last from several days to several months, depending on the species and environmental conditions. After eating enough and becoming mature, the larvae enter the pupal phase, where they rest and undergo metamorphosis into adult insects. Adult insects emerge from the wood through the small holes they make. At this stage, they will fly to find a mate to breed and produce new eggs to continue their life cycle.

life cycle of the wood beetle borer

Problems caused by woodborers

Wood that is attacked by this insect has typical signs: the holes appearing on the wood surfaces and accompanied by the wood powder on it. When this happens, the larvae in the wood are actually living in the wood, eating the wood and forming tunnels in the wood for their growth. If this is not addressed immediately, the life cycle of the woodborer keeps continuing, and the process of destroying wood will continue until the wood be porous, damaged, and destroyed.

This insect attack can actually be stopped by killing and stopping the life cycle of this insect. However, in practice, this process is not easy to carry out. The life cycle of the woodborer is unpredictable, depending on the species of insect and environmental conditions. Because of this reason, the emergence of insect attacks cannot be predicted; some wood is attacked by insects just a few days after the wood is cut down and dried, but there are many attacks that appear after the wood has been left for several months or even after several years.

Insect attacks that occur when wooden products are installed and used will make the treatment process is complicated. The anti-insect in the form of gas is easy to be applied for the whole product, but it will disappear quickly after few days. Meanwhile, this chemical is only effective for killing woodborers in the form of larvae, pupae, or insects and cannot kill the eggs. Eggs that hatch when the chemical disappears will keep continuing their life and grow to be new creature.

The chemical in liquid form will work better than gas because it can wet the wood and remain in there. So, when the eggs hatch, it is still working to kill the newly hatched insects. However, the application is quite complex and rather difficult. The liquid must wet all over the wood completely to ensure that all existing insects die and their life cycle stops. This is not easy to do considering that insect repellent is a poisonous substance and can harm human health. The chemical application has to be done carefully to make sure it is safe for humans. The application of the chemical liquid becomes more difficult on wood that is in hard-to-reach places, such as wood for building construction or the wood products that are large size and already in use.

How to overcome the wood beetle bug

Wood treatment with anti-insect repellent

Prevention is better than curation. The treatment with wood preservative chemicals is the most recommended action since it is cheap, easy, and gives the best results. There are many wood preservative chemicals that are designed to make the wood be toxic and unliked by the insects. The chemical not only prevents the wood beetle borer but also the termite and other insect. There are some types of chemical wood repellents, and each of them has its own specification.

The chemical containing boron is the cheapest material, but it needs a vacuum machine for application. It is commonly used to take care of the wood that needs a vacuum process for drying, such as rubberwood or mango wood. The application of wood preservative is carried out together with the drying process. The wood plank is put into a vacuum machine to pull out its sap inside, and then the preservative chemical is flowed into the wood and pressed to let it penetrate into the wood cell. More information about the vacuum process can be read in our previous article: Vacuum process for wood preservativion.

Then the wood plank is taken into the oven to be dried. Some other wood preservative chemicals can be applied by the soaking process. The wood is soaked in the liquid chemical before going to the drying process. It does not need a vacuum machine, but the price of the chemical is more expensive.

There are other types of wood preservative chemicals that can be applied to the dried wood. The chemical can be applied by soaking, brushing, or spraying. The application must be done before the finishing process is started. The application on the coated wood will not be effective since the finish film will block the chemical penetration to the wood. Chemicals can be brushed, sprayed, or used to soak wood, components, or wood products until they wet the entire surface of the wood and absorb by the wood. The better penetration of the chemical results in better protection.

After the wood is filled with the preservative chemical, it needs to be dried before continuing to the finishing process. Some types of preservative material can also be mixed with the finishing materials to give more protection to the wood product.

Fumigation

Fumigation is a sterilization process using poisonous gas or fume. The fumigation process is simpler than the liquid chemical application, but actually it is less effective to handle the woodborer. The wooden product is wrapped in a tight wrap, then flowed with poisonous gas for several minutes. The poisonous gas will kill the insects and organisms in the product. Fumigation can indeed kill all living creatures, but it cannot kill insect eggs in there. When the gas runs out and the air is clean, the insect eggs can hatch and continue their lives.

Veneering

Veneer is wood that is sliced thinly and glued to wood or engineered wood products. The veneering process can also minimize the wood beetle problems. Veneer, which is a thin layer of wood, will eliminate insect eggs in the wood. The veneer has to be glued to its core, which will also inhibit the growth of insects because only a thin layer of wood remains on the wood product. If the veneer is layered at the engineering product, then no insect will remain in the product.

Coating with finishing materials

The wood finishing process will produce a film layer on the wood surface. If the film is thick enough, he will protect the wood from the insect. But the finishing material will not really work to prevent the wood from insect attack. The coating film works to protect the wood from outside attacks but cannot overcome the insect attacks from eggs that are already in the wood. If the wood already contains insect eggs, the eggs will hatch in the wood and eat the wood from the inside without hindrance

Rosewood, Premium Wood with Stunning Appearance

noreply@blogger.com (Unknown) — Mon, 02 Dec 2024 13:37:00 +0000

Rosewood is very famous in the woodworking industry for its quality and beauty. Rosewood is actually wood from trees in the genus Dalbergia, but in the woodworking business there are several other varieties that are also called rosewood. This tree is found in many tropical regions, such as South America, Africa, and South Asia. The properties of the wood vary depending on its origin and how it lives. Then in the woodworking industry, rosewood is recognized by its origin, such as Brazilian rosewood, Madagascar rosewood, Nicaraguan rosewood, Indian rosewood, etc.

Rosewood properties

Although there are many names and varieties, rosewood is known in the woodworking industry as an expensive wood. This wood has a brown base color with very strong grain character and dark blackish brown color stripes with a beautiful pattern. With proper finishing, the beauty of rosewood can be explored to produce a very nice and special wood appearance. This wood has a natural slippery surface with a smooth texture that can show the nice natural shine. His unique appearance makes many people love this wood.

Rosewood is also naturally strong, hard, and high density. He has high resistance to scratches, insect attacks, and rot. This wood is also friendly to the woodworking machine. He can be cut, shaped, and formed with woodworking tools and machines. This wood is also relatively easy to be sanded and polished to produce a smooth and slick surface.

rosewood

Rosewood veneer

Veneer is wood that is sliced and cut to be attached to panels or engineered wood to make wood-look components. Rosewood veneer is the best option if you want a rosewood-like appearance with cheaper price. Rosewood veneers are widely used to replace solid wood to make many products, such as furniture, house walls, doors, or other decorative wood products.

Uses of rosewood.

Rosewood has good physical properties to be used in the woodworking industry. He is quite stable, has good durability, is relatively easy to be processed, and has a very beautiful natural appearance. Here are some uses of rosewood:

Luxury furniture

Rosewood is one of the best materials to build high-quality, luxurious, and expensive furniture. With proper design and process, the wood can give a good-looking furniture product. Various kinds of furniture products, such as tables, chairs, and cupboards, can be made with this wood. It has beautiful grain and color that can be explored to make wood products with a unique and special look: luxurious, elegant, and expensive.

Decoration and architectural products

Rosewood is also a good choice for building or room decorations such as walls, doors, ceilings, floors, and other architectural stuff. This wood has good strength to fulfill the building product requirement. But the most impressive is its special appearance to build the special impression for the building, home, and interior decoration.

Musical Instruments

Rosewood has good acoustic properties. This wood can produce a clear sound and is rich in resonance. His properties bring it to be used to make many musical instruments, such as guitars, violins, pianos and other wood musical instruments

Handicrafts and art products

Due to its texture and hardness, rosewood is also a good material to make art wooden products. The rosewood is also quite popular among the wood artists. The wood is also commonly used to make many art products, such as statues, wooden jewelry, and artistic carvings. The grain pattern of the wood naturally adds aesthetic value to the workmanship and results in a high-value handcrafted product.

Things to be considered when doing rosewood

The proper design

Even though rosewood has a beautiful and attractive natural appearance, to produce beautiful products, you always need the proper design and models. The proper design and shape will maximize the beauty of this wood, whereas an inappropriate design may be against and kill the beauty of the wood. The simple form and model are a good option for this wood, as it will maximize the natural beauty of the wood. Too complicated models or too heavy carvings are not appropriate for this wood because they may conflict with its grain pattern.

When rosewood veneer is used, then the right arrangement is the key to making the good-looking product. The proper veneer arrangement will maximize and enhance the wood's beauty. The combination of the rosewood veneer with other wood is another technique to produce the beautiful and special-looking wood products

The proper finishing

Finishing is the way to maximize the beauty of wood. Although rosewood has beautiful grain, it still needs good finishing to unleash his special look. A transparent finish with a light stain or no stain followed by proper sealer and top coat is recommended for this wood. The light color stain will keep the natural beauty of the wood. Too thick stain or too strong color will potentially reduce its grain character and kill its natural beauty.

Full gloss finishing with a thick film layer can be used to produce luxurious and expensive wood products. But make sure you use the good clarity clear coat. Antique finish with old look is also good option to make the classic or antique-looking product, which still gives his expensive impression.

Finishing with a solid color is not recommended because it will kill the natural beauty of this wood. Solid color finishes are also problems due to oils in the wood. The oil bleeding at the finish as a yellow-brown stain.

Solvent-base coating is a good choice for rosewood because it will give the best appearance with less problems. NC coating with thin film and the best clarity is the best choice if you want the natural or antique look. For the thick film and close-pores finish, the PU or polyester coating is the best choice.

If the water-based coating is used, then you will need to apply the insulator or oil-blocking sealer to take care of the oil in the wood. Rosewood contains oil that could potentially interfere with the finish layer. The oil may cause less problem for the solvent-base material as long as you don’t do solid color or white color. But, in water-based finishing, the oil gives greater risk of finishing problems. In many cases, the oil can cause color and adhesion problems in the finishing.

Oil on rosewood

Rosewood contains oil that can cause problems with its appearance or use. The oil content in this wood can vary depending on the species and origin of the wood. There are several types of wood species that contain little oil, but there are several types of wood that have a very high oil content, such as cocobolo (Nicaragua rosewood). The oil in this wood can actually be useful because it can provide a more beautiful appearance and make the wood more durable. This wood can be polished in unfinished condition to make a beautiful, attractive appearance. However, in some cases, the presence of this oil can interfere with the product's performance. This oil will interfere with the appearance of the finishing when the wood is finished in white or solid colors. Wood oil will appear as a yellowish-brown stain that damages the appearance. Oil also has the potential to cause allergies for some people who use products made from this wood. The oil also potentially interferes with the adhesion of the finishing layer, especially when the water-base finishing material is used.

Correct process

Rosewood is dense wood; it has high hardness. Thus, this wood requires a sharp and strong knife to cut and shape it in the woodworking process. As dense wood, it needs to be dried carefully to control the quality. The drying process cannot be run too fast since it risks damaging the wood and ruining its quality. This wood is brittle and easy to get cracked, which will be a problem when processed, especially when dealing with veneers. Rosewood veneer is easy to curl and break when it is stored. Then make sure it is stored properly in the dry room to avoid the shrinkage and break problem. The veneer softener may be needed to anticipate problems with shrunken veneers.

Although this wood is classified as hardwood, it is still recommended to do chemical treatment to preserve the wood from the attached insects. It is very unfortunate when your beautiful and expensive wood products are damaged due to the wood-eating insects.

Sourcing

Rosewood is expensive wood. This rosewood tree takes a long time to grow, so cultivating this wood is not easy and takes a long time. Today, several types of rosewood have been declared rare and protected woods and cannot be traded. Then the resources of this wood become more limited and difficult. So make sure you find the reliable resources when you do this wood. Also, make sure you get a legal source of the wood and consider the forest and wood sustainability.

Bathroom Vanity, Furniture to Make up Bathroom

noreply@blogger.com (Unknown) — Wed, 27 Nov 2024 15:30:00 +0000

Bathroom vanity is furniture to equip the bathroom. Bathroom vanity furniture is simply formed as a cabinet with a sink and countertop on top and equipped with the necessary accessories. This cabinet actually functions to hide plumbing and piping for the sink or washtafel. However, the cabinet can also be used to store the stuffs needed for bathroom purposes. A mirror can also be installed on top of this cabinet to help people do the bathing activities such as washing hands, washing faces, teeth brushing, and grooming.

Components of Vanity

Sink

The sink is the main part of the vanity, while the other parts are principally intended to support this sink. A sink is a place to collect water for washing activities such as washing hands, washing face, brushing teeth, etc. The sink must be waterproof, resistant to chemicals and liquids, and easy to be cleaned. Ceramic, stone, and marble are the most common materials used to make sinks. They are high resistant to water, chemicals, soap, and cleaning fluids. Metal can also be used; it is lightweight, strong, and easy to be shaped but must be chosen from a material that does not rust. Aluminum is a good choice; it resists the liquids, easy to be cleaned, lightweight and easy to be shaped to make sink in any model. The expensive metal, such as stainless steel, brass, or copper, can be used to make more luxurious and expensive impression. There are many models of sinks now is available that can be chosen according to the design you need.

Countertops

The countertop is the top surface of the vanity; this part is used to place the bathroom equipment, such as tissues, toothbrushes, tooth paste, cups, etc. The countertop is also often exposed to water and cleaning liquids. Therefore, countertops must be made from material that is waterproof, chemical-resistant, and easy to be cleaned. Usually the countertop is made from the same material as the sink, such as marble, ceramic, granite, or metal. However, because its flat shape and is not much used to hold water, countertops can be made from other materials with lower price or better appearance. The material which is more attractive appearance and less expensive can be used for countertop such as : synthetic materials, wood, or engineered wood. If wood is used, then it must be finished with the waterproof and chemical-ressistant coating.

Cabinet

The cabinet is a part that functions to hold the sink and countertop. The other function of the cabinet is to cover the space under the sink, place all the plumbing equipment that accompanies it, and make the bathroom tidier and nicer. At the same time, cabinets also provide space for storing items and equipment for bathroom needs.

This cabinet is the most extensive component, so it can be specially designed to build the aesthetics and decoration value for the vanity. This cabinet is the part that is less exposed to water, thus more options pf material can be used. Materials with a beautiful appearance can be used to build the vanity cabinet, such as wood, engineered wood, HPL, metal, bamboo, natural materials, etc.

Mirrors

Mirror help people to do the personal grooming and washing tasks. It allows you to perform daily tasks such as brushing teeth, washing the face, shaving, applying makeup, or styling hair easier with better result. Mirrors can also be used to build the aesthetics of a room. However, the choice of shape and material of the mirror is relatively limited. It will face the watery and humid condition in the bathroom. The materials used must be made from water-resistant materials and cleaning fluids. The shapes and design cannot be too complex, considering that the mirror will be exposed to the water splashes and must be easy to be cleaned.

Accessories

Accessories are complementary stuff to make the vanity unit can function properly. Some of the accessories are: water faucets, water drains, pipes, sink valves, lighting, etc. The size and design of the accessories must be properly selected according to the vanity unit.

Things to consider when choosing and building the vanity

Functional factors

The aim of installing a vanity in a room is to support your bathing activities. Therefore, this functional reason must be put as the main consideration when choosing and installing vanity. Make sure the vanity helps you to do your bathroom activities. Consider the size and shape of your bathroom, and make sure your cabinets can fill the available space appropriately. Choose components and accessories that really suit the conditions of your room and the activities you do. Currently, there are many choices of materials and models of each component of the vanity that you can choose according to the conditions of your room and building.

Aesthetic factors

Vanity also builds the aesthetics of your room. The vanity is furniture that works to decorate your room and bring a special impression to it. Make sure you chose the vanity model and design according to the room decoration theme or your aesthetic taste. There are many options of vanity models, such as simple, country, classic, modern, etc. that can be chosen to fill up your room.

The maintenance

Vanities require regular maintenance and cleaning to make them last longer. Vanity cleaning is also needed to keep your room healthy and fresh. Indeed, the bathroom is a place where you play with water, however, but you need to keep the room dry and less dump as much as possible. Humid or wet conditions should be avoided as much as possible because this condition invites bacteria, fungi, or small animals to live and stay in there. Instead of ruining the room's beauty, the presence of bacteria and living creatures also potentially harm the health of the user.

Make proper drainage; make sure there is no water that stagnates for a long time. When you choose the vanity design and model, make sure you are considering the cleaning and maintenance process carried out. Make sure the vanity can be cleaned easily. Avoid shapes that are too complex, which make the maintenance and cleaning process difficult.

Resistance

A vanity will be exposed to a lot of water and liquids. Vanities will also often undergo cleaning processes, which are all related to liquids and cleaning chemicals. Therefore, vanity materials must be resistant to water and stain-removing chemicals. A sink that is designed to hold water is, of course, made from waterproof and chemical-resistant materials. Now days there are many models and shapes of sinks available that you can choose to use to build a vanity according to your room conditions, taste, and budget. Other components, especially those that function as decorative forms such as cabinets or accessories, must also be made from materials that are water and liquid resistant and easy to clean.

Finishing for vanities

Finishing becomes an important concern when the vanity (especially the cabinet) is made from materials that are not naturally waterproof, such as wood, engineered wood, or natural materials. Natural materials such as rattan, bamboo, wood, or its derivatives are hygroscopic materials that will absorb water when wet. The proper finishing is needed to give enough protection to these materials. The finishing materials must be water-resistant and be able to cover the wood. The coating layer must be able to close the pores and grain to minimize the water entering the wood. The exterior coatings are the most recommended for vanity finishes.

Wood Filler, Material for Filling the Wood Pores and Grain

noreply@blogger.com (Unknown) — Fri, 15 Nov 2024 14:28:00 +0000

Wood filler is a finishing material used to fill wood grain and pores. Wood filler has a low shrinkage value so that it will fill the pores and grain and stay in it when it is applied. It will fill the wood texture and close the pores and grain with small shrinkage when dry.

The function of fillers

Fills pores and grains

Filler is purposed to fill the wood grains and pores and make the wood surface more even when it is layered by coating it. The filler helps to cover the pores and grain and prevent the coating from soaking into the pores and grain. Normally the pores and grain of the wood will absorb the coating layered on it. The filler application will reduce the layer coating needed to make the even finishing layer, especially when you build the closed pores finish. If you use the NC system, the filler is absolutely necessary to make a close-pore finish. If the thermosetting paint (PU, Melamine, UV coating) then filler application will reduce the layers of sealer or top coat needed to create a close pore finish.

Coloring pores and grain

While filler fills the wood pores and grains, it is also coloring the grain and pores. For this purpose, the filler is available in various colors, which can be chosen according to the color and appearance of the finishing built. The coloration of the filler is special because it only stays and colors inside the pores and grains. The filler color can be made the same as or according to the finishing color to produce the calm appearance. The filler will reduce the appearance of pores and wood grain. On the other hand, the filler color can be different from the finishing color if you want a finish that enhances the grain and pore pattern of the wood. Filler can also be chosen in contrast with the finishing color to produce a contrasting and lively impression of the wood grain and pores.

wood filler application

Types of fillers

Filler is made from a mixture of bulk agent (a material that has a low shrinkage value), resin as a binder, pigment as a coloring agent, and some solvent as a thinner. According to the resin mixture added, there are several types of filler, such as NC filler, acrylic filler, alkyd filler, epoxy filler, etc. However, to make things simple in application, fillers can be classified as: water-based filler, solvent-base filler, wiping filler, and UV filler.

Water base filler

Water-base filler is a filler that uses water as a main thinner. This filler is very popular in the wood finishing. It is very easy to be used with pretty good results. This water-based filler is applied to raw wood using a putty knife or roller. Water base filler dries quickly and is easy to be sanded then go to the next process, i.e., stain, sealer, or paint application. The good-quality water-base filler can absorb the color of the stain applied to it. Then the filler can get stained and colored as the stain color to make the finishing result life and nice looking. This water base filler can be coated with other types of coating, such as water base, nc, pu, or melamine. For large-scale production, the water base filler can be applied using a roller machine that is equipped with a hot oven and sanding machine. The panels enter the machine to be filled, dried, and sanded. Once the panels are out of the machine, they are already filled and sanded and ready for the next finishing process.

Solvent base filler

Solvent-base filler uses solvent as a thinner. This filler dries quickly and is easy to apply with good results. Solvent base filler is generally applied manually by filler knife or putty knife. The use of solvent makes the filler dry fast and less sensitive to the environmental condition. A good sanding process is needed to clean the remains of filler stuck to the surface.

UV filler

UV filler is a filler that uses a process such as UV coating. This filler requires a UV light oven to dry and is usually used in the UV system finishing or flat line finishing process. The UV filler is applied in a series of UV coating machines. With this system, the wood is entering a series of machine and undergoes a series of finishing process with a perfect finish when it is out from the machine

Wiping filler

Wiping filler is a filler that is applied by wiping. This filler is applied by pouring or brushing it onto the surface and then wiped evenly to cover the entire surface. Wiping is needed to clean the filler on the surface and led the filler inside the pores and grain only. This filler is designed to be cleaned by wiping and does not require sanding. Steel wool or scotch brite can be used to make better cleaning on the surface if necessary

How to apply filler

Filler is a very thick material; therefore, it cannot be sprayed. The best way to apply filler is to pour it onto the surface and then spread it and squeeze it evenly over the entire surface. The tools for filler manual application are knife, cloth, roller, or paper. For large-scale production, filler application can be done using a roller machine, which will lay the filler on the surface and at the same time press it into the pores and grain. This roller machine is the machine to apply the water base or UV fillers, where the processes are run and controlled by the machine.

Things that need to be considered when using fillers

Type of filler

There are several types of filler, and each has its own specifications and application method. Make sure you know the types of filler you are using and know how to use it correctly. Read the PDS and make sure you apply according to the specifications.

Color and appearance of the filler

Filler has several colors to be chosen according to the desired finishing color and appearance. Make sure you know the finishing color you want and choose the right filler according to the finishing look and color.

Filler cleaning

Filler is a material to fill pores and grains; therefore, this filler should be left inside the grain and pores only. Filler does not have enough binder; the filler that stays on the surface won’t stick to the surface and is easy to come off. Filler that is smeared on the surface will make the finishing look ugly and also potentially cause adhesion problems. Therefore, make sure the filler is cleaned well and only left inside the pore and grain. Make sure there is no filler left on the surface.

Drying of filler

After application, the filler must be completely dry before continuing with the next finishing process. Filler is a thick and solid material; it generally requires quite a long drying time, but it needed to be fulfilled. The undried filler will cause many kinds of problems, such as color and look problems, adhesion problems, and also bubble and pinhole problems.

Make sure the wood filler fills all the pores and grain perfectly.

To get maximum benefits, the filler must fill all the wood grains and pores perfectly. The missing area of the filler application will create finishing problems because of the uneven condition of the surface. Imperfect application of filler does not help speed up the finishing process, but it will lead to many problems, such as bubbles or pinholes, which are not easy to solve. For wood with big and deep pores, it may need two-time filler application or even more to ensure that the filler fills the pores and grains perfectly.

Understand the types of wood

There are many types of wood, and each has different properties and requires different handling. Wood is also a natural product that has different properties depending on how the wood grows and lives. Some types of wood have large pores, and others have small, soft pores. To close and fill big pores, you need filler with strong covering power. Some wood has small but deep and tiny pores and will need more fine filler. Make sure you understand the wood and learn how to handle it.

Inlay, Build the Aesthetics Value to Wooden Products

noreply@blogger.com (Unknown) — Sun, 10 Nov 2024 02:48:00 +0000

Inlay is the process of inserting pieces of another material into the surface of wood to create a contrasting design or pattern. The inlay material is different from the base in terms of color, texture, or look, thus providing a prominent contrast to the design. The inlay material can be wood, metal, shell, stone, or other materials that can provide a beautiful and attractive decorative appearance to the resulting product. The inlay technique not only adds aesthetic value to the wood products but also shows the high level of skill of the craftsman. The more complicated the inlay, the higher the value of the resulting product. This inlay technique can be used to beautify the appearance of various kinds of wood products, from the big products, such as decorative walls, doors, and furniture, to the small products, such as musical instruments, accessories, and various other decorative products.

inlay veneer furniture

Inlay stone

Functions of inlay

The inlay is purposed to increase the value of wood products. Inlay is one way to build the aesthetic value of wood products. Inlay will make wooden products unique and special. With a wide selection of inlay materials available, craftspeople can experiment with a variety of colors, textures, and patterns to create interesting visual effects. Inlays also allow for customization of designs that can reflect personal identity or style, making wooden products more exclusive and special.

wood inlay veneer cabinet

Inlay manufacturing process

The inlay manufacturing process is quite complicated. You need a skilled person to get the inlay material installed perfectly into the wood. Following are the general steps in the inlay process:

Surface sculpting

The inlay process starts from making a design and pattern of the decorative and design, then the carving process is done on the surface of the wood to build room to place the inlay, and finally the inlay is inserted into the place and followed by leveling the surface to produce a flat surface on the product.

In the past, the design process might have been made by drawing directly on the surface of the wood board. The design process generally starts with building an image or drawing on the paper, then the paper is attached to a surface as a template and guidance to cut and sculpt the wood panel. The sculpting process can be done manually using chisels, knives, and routers. However, currently the wood carving can be done by using a computerized machine. The design and pattern of the inlay is created using a computer program, which is then used to set and run the CNC machine, which will cut and carve the wood surface according to the programmed pattern. In general, the inlay cutting process can be done with a 2-dimensional CNC machine, which is considered as a simple machine. Some handwork with a knife and chisel is still needed to tidy up the shape resulted by the machine.

Inlay cutting

The inlay material is cut and shaped to match the desired shape according to the design. Like the process of excavating and chiseling the base, the inlay cutting requires high precision work to ensure the inlay material can fill the space precisely and neatly. In the past, cutting and forming inlays was done manually by a hand-cut machine. Currently, the cutting can be done using CNC machine technology with neat and precise results. The sanding process is needed to smoothen and tidy up the shape result.

Installation of inlays

The inlay material is then placed on the prepared area and attached with wood glue or wood adhesive material. Put the proper glue on the inlay material and the sculpted wood, then insert the inlay into the sculpted wood. Make sure the inlay fills up and the room neatly, and let the glue dry. Good glue is needed to provide good adhesion between the inlay and the panel.

Sanding and leveling the surface

Once the inlay is installed and the glue is dry, the surface of the wood panel needs to be leveled to create a flat and smooth surface. Sanding the wood properly and carefully to make the even surface without damaging the inlay.

Finishing process

The final process of making inlays is coating with a finishing layer to provide protection and increase the aesthetics of the resulting product. The right finishing is needed to maximize the beauty and uniqueness of the inlay product.

Materials for inlays

There are many materials that can be used for inlay materials, such as wood, metal, stone, shells, and synthetic materials.

Wood slices

Inlay with wood slices is the most popular and widely used. Wood in many types with different colors, grains, and characters is easy to be sliced and formed to produce many shapes to fulfill a wide range of designs and ideas. The wood inlay is the best material inlay to make many art designs without losing the natural impression of the wood. The combination of wood with light and dark colors is a very good choice for building various attractive and natural decorative shapes and models.

Instead of its different basic colors, wood also gives many variations from the grain pattern and texture of the surface. Varieties of textures, grain patterns, and wood colors can be explored to get a variety of interesting models and designs.

Metal

Fine metals with a high density, such as brass, copper, stainless steel, and silver, can be used to provide shine and contrast to wooden products and bring a modern and luxurious feel.

Stones, pearls or natural materials

Beautiful and expensive natural materials such as marble, shells and pearls or other natural materials will add a unique, luxurious, and expensive impression.

Synthetic Material

Synthetic materials are a very attractive choice for inlays today. The resin can be molded with special shapes to be selected to produce special inlay products. Resin can be colored and pigmented with many colors and certain effects, such as luminous or shiny resin, which is often used for modern inlays, especially to bring more creative designs.

Things to consider in the inlay manufacturing process

To produce good inlay products, the correct process is needed; the work process must be carried out carefully and meticulously using the correct process.

Design process

The right design is the main basis for making good products. Make sure you choose the right shape and pattern when making inlay products. Basically, the inlay is the decoration to fill the space at the product. Consider the type and size of the wooden product that will be decorated; make sure your inlay fits well and accords with the product you are making.

Make sure the inlay theme matches the theme of the product you are building. If you want to build furniture products with classic or antique models, then you can use wood slices or natural substrates as inlay material. On the other hand, if you build modern products, then you can use the metal or resin.

Installation process

The process of installing inlays is a complicated job and requires high precision. Starting from the surface preparation of the base, surface excavation, cutting the inlay material, and installation must be done carefully and precisely. Even though CNC machines are currently available to do the cutting and excavation work well and precisely, the process still requires careful control.

If you use special materials such as metal, synthetic materials, or natural materials, then make sure you use the right glue to attach them to the wooden board. Without good adhesion, the inlay could come off when the product is used.

Finishing process

The finishing process is the final work that will maximize the aesthetic value of the product. The most recommended finishing is coating with a clear coat, sealer, and top coat with an appropriate gloss. The stain application may be used but cannot be too thick. Too thick stain will cover the surface and kill the contrast and character of the inlay.

The right clear coating is needed to produce a beautiful appearance and provide protection. PU or polyester clear coat is a good choice for building a thick film coating and high gloss film that will give an elegant and luxurious look. Finishing with oil or wax can be used if you want the natural wood appearance, especially for products with classic or antique models.

If wood inlay is used, then make sure you recognize the types of wood used, the inlay, and the panel base. Each type of wood has different grain, pore, and porosity, which will affect the finishing results produced. If you use special materials as inlay, such as metal, stone, or resin, then make sure you use the right finishing material. Some special materials may be needed to make sure your finishing layer adheres well to the inlay material.

Wood Staining, a Coloring Process for Finishing Wood

noreply@blogger.com (Unknown) — Sat, 02 Nov 2024 04:15:00 +0000

Wood staining is the process of applying stain in the finishing process. Wood stain generally refers to a coloring material (stain) that penetrates into the wood and coloring the wood without covering the surface of the wood. As coloring material, the wood stain is different with base coat, or primer, which is covering the wood and forming a solid color (opaque) finish.

The wood stain work to built the wood color but still keep the basic character of the wood. The wood stain is used to make the transparent finish, the finishing colors that still show the grain, pore patterns and enhance the natural beauty of the wood. The final color of the finishing is the result from the combination of the base color of the wood and the color of the stain. You will need the right stain color and the proper application to get your target color. Proper wood staining will produce a beautiful finishing color appearance without losing the natural beauty of the wood

The function of wood staining

- Beautifies the appearance of wood

The light color wood mostly is considered cheaper than the dark color wood. Wood staining make the light wood to be darker and be looked as the expensive wood. It will increase the aesthetic value of the wood. The wood stain, is the tool to direct and change the wood to get the desired color and appearance. The wood staining can also enhance the grain and pores to more dramatic and make the wood to be more attractive and artistic.

- Increases wood durability

Wood naturally tends to change color over time. Chemically, wood will react and change color when exposed to light. The application of stain will make the color of the wood to be more stable. The pigment absorbed by the wood will protect the wood by reducing the intensity of light absorbed by the wood. Stained wood tends to be stronger and more durable than natural wood, the darker color is more stable with the light stain color. The outdoor wood products that will be exposed to sunlight and outside weather, is highly recommended to be stained with the right material. The natural wood (no stain) is easy to get color change if it is exposed to the outdoor.

- More choice for product color

The wood staining will change the color of the wood to the desired color. With large variety stain, then many options of colorings are available. Wood staining allows to accord your wood products to follow and adapt to the design. The wood staining let you to create attractive visual harmony in the interior decoration.

- Enhance and beautifies the natural character of wood

By selecting the right type of stain and application method, wood staining will not only improve the color of the wood, but will also strengthen the grain and pore pattern of the wood. Wood stain that penetrates into the pores and grain will magnify the wood character, grain and pores.

Types of wood stains

- Oil-Based stains

Oil stain is a wood stain that uses oil as a base and solvent. Oil base stain is generally applied by brushing, or wiping although it can also be applied by spray. The oil solvent allows the stain to penetrate into the pores and grain of the wood and color it deeply. The oil stain is the best stain to maximize and enhance the natural grain and pores of the wood.

- Water base stain

Water base stain is used water as the main solvent. It is considered as the more environmentally friendly and safer material. This water base stain can be applied by brushing to let it penetrates into the wood and enhance the grain and pore patterns of the wood. But the water base stains generally dry faster than oil base stains, that make his grain effect is not as strong as the oil base stain. The water base stain is fast drying material, that make it easily applied by spray and also suitable for mass production that require high speed process.

- Solvent base stain

There is some type of solvents can be used for stain. The solvent base stain usually dry faster than the oil base and water base. The solvent base wood stain is usually applied by spray in a modern spray finishing process even the slow solvent may be chosen for dipping or brushing application. With the right solvent, the wood stain can be adjusted in drying time and application method to fulfill the mass production process.

- Outdoor wood stain

Outdoor stain is a stain made with pigment and binder from materials that are resistant to UV rays and outdoor weather. This stain is designed for coloring wood products for outdoor use so that the resulting color does not fade quickly and lasts longer.

Things that need to be considered when applying wood stain

- Selection of the stain type

The choice of this type of stain will affect the appearance of the resulting finish. In general, the slow drying stain will let it to penetrate deeper into the wood. This type of wood stain will maximize the grain and pores pattern and produce a more natural looked color. On the other side, the quicker drying stain will make the stain stay on surface of the wood and less in showing the grain and pores pattern. Base from these two facts, then you can choose the stain type according to your appearance needs.

The other consideration in choosing the stain type is the function of the product be finished. For outdoor products, wood stain must be the outdoor type that is resistant to heat, UV rays and outdoor weather. But the usually the outdoor stain is more expensive and rather limited in color option. If you do for the indoor product, then you can use the indoor wood stain that will give you more color option and less expensive.

- Variations of the wood base color

Wood is a natural product that has variation in properties, including its base color. The variation in the wood colors will result in different color results if you do the same wood stain application. If the variation is too far, then you may need to change the color stain. It would be very troublesome, especially when you do finish for mass production. To minimize this problem, you can add step to evens out the wood base color before the wood staining. You can use the sap stain to bring the light color to the dark color and (or) the equalizer stain the kill the of bright spot color and make the wood color to be even all over the product..

- Variations in wood porosity

Wood also has variations in porosity or wood absorption properties. The wood porosity is related to the absorption of the wood stain. Wood with high porosity will absorb more stain so that the resulting color tends to be dark, conversely the wood has low porosity will absorb less stain so that the color to make the light color. To anticipate this problem, it is necessary to have a good knowledge about the type of wood and its properties. Make sure you use the right stain type and application according with the wood properties to make the desired finish. If necessary, you can use the wood conditioning or sealer sizing to make the wood more uniform before stain application

- Stain color selection

The function of wood stain is to form the color of the wood, therefore choosing the color of the stain is very crucial important to bring the color to the desired result. For white wood, the stain color is made according to the desired final finishing color, for example to make brown color you can use the brown color stain, to make the red finish color you will need the red color stain. But because wood has its own basic color, then the choice of stain color may be more complicated. You have to consider that the final color is produced from mixed from the color of the wood and color of the stain. To help choose the right wood stain color, you can use the color triangle principle in our previous post..

- the stain application

Wood stain can be applied in several ways, by dipping, brushing, wiping or spraying. Stain application by dipping and wiping and brushing is a simple process but the results is rather limited and less control to the layer and thickness. The resulting color will highly depend to wood the condition and the stain. The spray application is a modern application and considered the best way until now. The spray method gives the high control to the coloring results. You can adjust the coating layer and the thickness of the stain layer to control the color obtained.

- Drying of the stain

After the stain is applied to the wood surface, the next process is the application of a clear coat (sealer and top coat) to provide protection for the resulting color. Before the clear coat is layered, the stain must be dry especially when the stain solvent is not the same type with the solvent of the coat. For example, if you use the oil stain or water base and coat it with the solvent base coating. The clear coat will build a film coat that will cover the stain underneath. Any solvent remaining on the wood will be trapped under the coating layer and could causing finishing problem.

- Wood preparation

The other thing needed in the finishing process is the wood preparation. Any problem in the unfinish wood will make your finishing bad in quality. Sanding the wood properly, make sure the wood surface of the wood must have smooth and even surface. The rough and uneven surface will result in unequal absorption, resulting in uneven coloring result. The wood defect such as dent, scratches, mark will be more clearly visible after stain application. Therefore, repair and correct any wood surface problems before the stain application.

- Develop a step panel before application the stain to the big product or big volume production

The wood stain application process is one step in a series of finishing processes. Usually the application of stain is always accompanied by the application of other materials such as the application of sealer, top coat and other finishing materials. Make sure you know the final results of the finishing process before the staining process is carried out. It is highly recommended to make a step panel as a guide for all finishing step taken in the finishing process. When you have the step panel done, you can get the standard of your finishing process needed to meet your target finishing looked and color. Then you can follow your finishing step to finish your product or run your finishing production to make your finishing color and looked. To find more information about step panel, you can visit our previous article : step panel for furniture finishing