We protect your walls, basements, and foundations with trusted Thoroseal waterproofing, keeping your NYC home safe and preserving its long-term value.
- Our Services
Thoroseal & Thorocoat Waterproofing Services in NYC
At NY Concrete, we use Thoroseal and Thorocoat to waterproof walls, bricks, and foundations, protecting NYC homes across Brooklyn, Queens, Bronx, and Manhattan.
- We Earn Your Trust Daily
Our Thoroseal Waterproofing Services in New York
Foundation Coating
We apply waterproof coatings to foundations to prevent leaks and protect your home.
Basement Waterproof
We seal basement walls and floors to keep water out, preventing mold, rot, and health hazards.
Brick Masonry Seal
We use breathable sealants to stop water infiltration while preserving brick strength and appearance.
Porch & Stoop Coating
We protect porches and stoops with waterproof coatings to prevent cracks and water damage.
Deck Waterproofing
We apply waterproof layers to decks, shielding them from sun, rain, snow, and rot.
Sidewalk Coating
We seal sidewalks with protective coatings to resist water and ice damage, improving safety and longevity.
Crack Injection
We inject waterproof compounds into cracks to seal them, prevent leaks, and strengthen surfaces.
Capillary Seal
We block microscopic water pathways with capillary sealants to prevent absorption and surface damage.
Vapor Barrier
We install vapor barriers to stop moisture from passing through walls and floors, improving air quality.
DOT Sidewalk Seal
We use DOT-approved sealants on NYC sidewalks to protect surfaces from water damage and heavy traffic.
Commercial Coating
We apply durable waterproof coatings for commercial buildings to prevent damage and maintain operations.
Low-VOC Products
We use eco-friendly, low-VOC waterproofing products that protect property safely and effectively.
- Licensed Experts Team
Permits, Not Promises – Thoroseal Services
In NYC, we provide Thoroseal waterproofing with full permits, insurance, and DOB compliance to protect your property and investment.
NYC Rules, Handled Right
We file permits, follow Local Law 11, and meet all DOB waterproofing codes before work begins.
Fully Licensed and Insured
We carry active NYC HIC licenses, general liability, workers’ comp, and project-specific documentation.
- Faq's
Frequently Asked Questions
Find clear answers to common questions about sidewalk repair, permits, pricing, and NYC compliance.
Yes, we expect Thoroseal to last 10 to 15 years when applied correctly. Our skilled crew inspects your masonry, repairs any damage, and prepares the surface thoroughly before coating. This ensures long-lasting protection against NYC’s harsh weather, freeze-thaw cycles, and heavy rainfall.
Our team guides you that Thoroseal is a thick, breathable masonry coating that seals cracks and pores in brick, concrete, and stone surfaces. Yes, it stops water from entering while letting trapped moisture escape. We apply 2–3 coats to form a tough, flexible barrier that protects your walls and foundation from leaks and damage.Yes, our team provides clear, upfront quotes for brick work services in NYC. Costs depend on project size, materials, and labor. We use quality bricks and mortar to ensure durable results that fit your budget.
We understand the importance of preserving your brownstone’s look. Yes, Thoroseal is ideal for historic masonry because it is breathable and flexible. We carefully match finishes and avoid trapping moisture that can cause damage to delicate bricks and mortar. Our process respects your home’s character while protecting it.
Yes, we apply Thoroseal as the primary waterproofing sealant. Thorocoat is a flexible elastomeric topcoat used for extra UV protection and crack bridging on roofs or exterior walls. We recommend Thorocoat where more durability and color options are needed, adding an extra shield against sun and weather.
Our pricing depends on factors like surface size, condition, and number of coats. On average, Thoroseal waterproofing costs range from $3 to $6 per square foot. Yes, we provide a clear, written estimate after inspection, with no hidden fees. We work with you to offer the best value for your budget.
Yes, our team uses Thoroseal specifically to seal basement walls, stopping water seepage and dampness. We inspect the foundation thoroughly to find cracks, gaps, and moisture sources. Then we apply multiple coats to create a durable barrier that protects your basement from water damage and mold growth.
Yes, often waterproofing work on exterior walls or basements requires a permit from NYC’s Department of Buildings. Our team handles all permit filings and compliance. You don’t have to worry about paperwork or delays. We keep your project smooth and fully legal from start to finish.
We recommend choosing a licensed, insured contractor with local NYC experience. Yes, we’ve completed over 400 Thoroseal projects across Brooklyn, Queens, Manhattan, Bronx, and Staten Island. We share before-and-after photos, warranties, and customer reviews so you feel confident choosing us.
Yes, our experts apply Thoroseal on a variety of materials including brick, concrete, stone, and stucco. We tailor our surface prep and mixing based on your material type and condition. This customized approach ensures even coverage, proper adhesion, and effective waterproofing on all surfaces.
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Book Your Thorocoat and Thoroseal Service Today
Water damage and leaks can cause real stress. We understand and offer trusted Thorocoat waterproofing services in NYC, including Brooklyn, Queens, Bronx, Manhattan, and Staten Island. Call or book a free inspection online today. Protect your home with licensed experts, flexible scheduling, and clear warranties. Don’t wait, secure your property now.