Got a wet basement?
Need your foundation waterproofed?
Looking to insulate your home or business?
Need your concrete crack repaired?
Fill Out The Form Below
To Get A FREE Estimate!
Building Trust with Excellence
Zavza Seal stands as a seasoned general contracting firm driven by a commitment to excellence, dedicated to serving the vibrant communities of Long Island, encompassing Suffolk, Nassau, Brooklyn, Queens and Bronx. As a comprehensive construction powerhouse, our expertise spans waterproofing, insulation, mold remediation, and foundation waterproofing services.
Should you be grappling with water-related issues such as flooding, moisture intrusion, mold proliferation, or foundation seepage, our expert team is at your service, armed with effective waterproofing solutions.
Envisioning Excellence
Our Unwavering Mission
Our Vision
To become the preferred choice for homeowners and commercial businesses by providing exceptional insulation, waterproofing and mold remediation services. By utilizing high-tech, environmentally friendly materials, and exceptional customer service, we strive to delight our customers and provide stellar service at affordable prices.
To provide unparalleled waterproofing, insulation and mold remediation services to homeowners and commercial customers. We deliver 100% guaranteed customer satisfaction by using best practices, innovative environmentally friendly products, and exceptional customer service at a great value.
Services We Provide on Long Island
- Basement Waterproofing
- French Drain Installation
- Waterproofing Cement
- Sump Pump Installation
- Basement Finishing & Remodeling
- Foundation Waterproofing
- Crawl Space Waterproofing
- Basement Crack Repair
- Foundation Repair
- Foundation Cracks Repair
- Crawl Space Crack Repair
- Crawl Space Encapsulation
- Egress Window Installation
Mold Removal & Water Damage Services
They were very concerned with cleaning up, which I appreciated. I felt the difference in my home immediately. No more freezing cold walls. I recommend them, hands down.
Addisleigh Park, Albertson, Amagansett, Amityville, Aquebogue, Arverne, Astoria, Atlantic Beach, Auburndale, Babylon, Baldwin, Bay Shore, Bay Terrace, Bayport, Bayridge, Bayside, Bayswater, Bayville, Beechhurst, Belle Harbor, Bellerose, Bellmore, Bellport, Bensonhurst, Bethpage, Blue Point, Bohemia, Borough Park, Boulevard Gardens, Breezy Point, Brentwood, Briarwood, Bridgehampton, Brightwaters, Broad Channel, Broadway–Flushing, Brookhaven, Brooklyn Heights, Calverton, Cambria Heights, Carle Place, Carroll Gardens, Red Hook, Cedarhurst, Center Moriches, Centereach, Centerport, Central Islip, Chinatown, Cobble Hill, Cold Spring Harbor, College Point, Commack, Copiague, Coram, Corona, Cutchogue, Deer Park, Dix Hills, Douglaston–Little Neck, Dyker Heights, East Elmhurst, East Hampton, East Islip, East Marion, East Meadow, East Moriches, East Northport, East Norwich, East Quogue, East Rockaway, East Setauket, Eastport, Edgemere, Elmhurst, East Patchogue, Elmont, Far Rockaway, Farmingdale, Farmingville, Fishers Island, Floral Park, Flushing, Forest Hills, Franklin Square, Freeport, Fresh Meadows, Fresh Pond, Garden City, Glen Cove, Glen Head, Glen Oaks, Glendale, Glenwood Landing, Gravesend, Great Neck, Great Neck, Great River, Greenlawn, Greenport, Greenvale, Hammels, Hampton Bays, North Bay Shore, Hauppauge, Hempstead, Hewlett, Hicksville, Holbrook, Hollis, Holtsville, Homecrest, Howard Beach, Hunter’s Point South, Huntington, North Amityville, Huntington Station, Inwood, Island Park, Islandia, Islip, Islip Terrace, Jackson Heights, Jamaica, Jamaica Estates, Jamaica Hills, Jamesport, Jericho, Kensington, Windsor Terrace, Kew Gardens, Kew Gardens Hills, Kings Park, Koreatown, Lake Grove, Laurel, Laurelton, Lawrence, LeFrak City, Levittown, Lindenhurst, Locust Manor, Locust Valley, Long Beach, Long Island City, Lynbrook, Malverne, Manhasset, Manorville, Maspeth, Massapequa, Massapequa Park, Mastic, Mastic Beach, Mattituck, Meadowmere, Medford, Melville, Merrick, Middle Island, Middle Village, Midwood, Mill Neck, Miller Place, Mineola, Montauk, Moriches, Mount Sinai, Neponsit, Nesconset, New Hyde Park, New Suffolk, North Babylon, North Shore Towers, Northport, Oakdale, Ocean Beach, Oceanside, Old Bethpage, Old Westbury, Orient, Oyster Bay, Ozone Park, Park Slope, Gowanus, Windsor Terrace, Parkville, Patchogue, Peconic, Plainview, Point Lookout, Pomonok, Port Jefferson, Port Jefferson Station, Port Washington, Queens Village, Queens West, Queensboro Hill, Queensbridge, Quogue, Rego Park, Remsenburg, Richmond Hill, Ridge, Ridgewood, Riverhead, Rochdale Village, Rockaway, Rockaway Beach, Rockaway Park, Rockville Centre, Rocky Point, Ronkonkoma, Roosevelt, Rosedale, Roslyn, Roslyn Heights, Roxbury, Sag Harbor, Sagaponack, Saint James, Sayville, Sea Cliff, Seaford, Seaside, Selden, Shelter Island, Shelter Island Heights, Shirley, Shoreham, Smithtown, Sound Beach, South Jamaica, South Jamesport, South Ozone Park, Southampton, Southold, Speonk, Springfield Gardens, St. Albans, Stony Brook, Sunnyside, Sunnyside Gardens, Syosset, The Hole, Uniondale, Upton, Valley Stream, Wading River, Wainscott, Wantagh, Water Mill, West Babylon, West Hempstead, West Islip, West Sayville, Westbury, Westhampton, Westhampton Beach, Whitestone, Willets Point, Williston Park, Woodbury, Woodhaven, Woodmere, Woodside, Wyandanch, Wyckoff Heights, Yaphank