Trusted Installation Partner: A.M. Shield Waterproofing in New York City

Expert Installations Across Long Island, Queens & Westchester

For more than three decades, A.M. Shield Waterproofing Corp has set the standard for dependable, code-compliant basement waterproofing and egress installations across the greater New York City region. From Long Island to Westchester, their team brings unmatched skill and certified expertise to every foundation and basement project they take on.

About A.M. Shield Waterproofing Corp

Founded over 30 years ago, A.M. Shield Waterproofing Corp is a locally owned company built on integrity, precision, and professionalism. As a Basement Health Association Certified contractor, A.M. Shield has earned national recognition for its commitment to health-focused basement environments and for being among the first companies in the area to employ Certified Waterproofing Specialists.

Their experienced professionals provide detailed inspections, clear estimates, and cost-effective waterproofing and egress solutions that protect both residential and commercial properties. With a strong reputation among homeowners, builders, and engineers, A.M. Shield is known for honest recommendations, exceptional craftsmanship, and dependable long-term results.

Distribution of Steelway Products

Steelway Custom Cellar Doors is proud to partner with A.M. Shield Waterproofing Corp—the first award-winning waterproofing company in the New York City metro area to combine Certified Waterproofing Specialists with premium Steelway Cellar Door products. Together, we provide homeowners and contractors with the best of both worlds: professional waterproofing and egress expertise backed by top-tier cellar-door solutions. Through this partnership, customers gain access to genuine Steelway products, installation guidance, and performance-tested protection for every home.

Installation Services

A.M. Shield provides a complete range of basement and foundation services designed to keep properties dry, stable, and safe. Whether installing an egress window, sealing foundation cracks, or improving drainage, their team approaches every job with precision and attention to code compliance.

Services Include:

• Cellar Doors – Standard & Custom
• Bulkhead Doors – Standard & Custom
• Sidewalk Doors
• Window Well Covers
• Window Wells & Covers
• One-Piece Steel Cellar Entrances
• Exterior Foundation Waterproofing
• Drainage Systems & Sump Solutions
• Crawl Space Encapsulation & Moisture Control
• Masonry & Foundation Repair
• Certified Egress System Installations

Licensed, Certified & Insured

• 30+ years of industry experience
• Basement Health Association Certified contractor
• Certified Waterproofing Specialists (C.W.S.) on staff
• Fully licensed and insured in New York State
• Proven track record of craftsmanship and compliance

Service Areas

A.M. Shield serves residential and commercial properties throughout the New York City metro, Long Island, and Westchester regions.

Primary Counties Served:

• Nassau County, NY – Glen Cove, Long Beach, Hempstead Village, Levittown, Elmont, Uniondale, Franklin Square, Valley Stream, Freeport, Oyster Bay, Hicksville, Plainview, Bethpage, Syosset, Massapequa Park
• Suffolk County, NY – Shelter Island Heights, Suffolk, Brookhaven, Patchogue, Bellport, Stony Brook, Islip, Brentwood, Central Islip, Bay Shore, Babylon, Lindenhurst, West Babylon, Deer Park, Huntington, Huntington Village, Melville, Smithtown, Commack, Riverhead, Southampton, East Hampton
• Queens County, NY – Flushing, Jamaica, Astoria, Long Island City, Forest Hills, Jackson Heights, Elmhurst, Far Rockaway, Bayside, Kew Gardens, Rego Park, Howard Beach
• Westchester County, NY – Yonkers, New Rochelle, Mount Vernon, White Plains, Peekskill, Rye, Greenburgh, Tarrytown, Elmsford, Ardsley, Hartsdale, Scarsdale, Harrison, Mamaroneck, Port Chester, Ossining, Mount Kisco

Key Communities Include:
Albertson, Baldwin, Bayville, Bellmore, Bethpage, Carle Place, East Meadow, Farmingdale, Floral Park, Freeport, Garden City, Glen Cove, Great Neck, Hempstead, Hicksville, Huntington, Levittown, Long Beach, Lynbrook, Manhasset, Massapequa, Merrick, Mineola, Oyster Bay, Plainview, Port Washington, Rockville Centre, Roslyn, Sea Cliff, Seaford, Syosset, Valley Stream, Wantagh, West Hempstead, Westbury, Williston Park, Woodbury, and many other surrounding communities.

Build Stronger with A.M. Shield Waterproofing Corp

A.M. Shield combines proven waterproofing science with certified expertise to protect New York homes from moisture, leaks, and structural damage. As a Steelway partner, they now extend that same dedication to excellence to cellar door and egress installations—delivering dependable, long-lasting solutions you can count on.

Contact Steelway Custom Cellar Doors today to schedule your installation with A.M. Shield Waterproofing Corp and experience award-winning waterproofing and cellar-door craftsmanship in one trusted partnership.