Professional Roof Waterproofing Service in NYC
We provide reliable roof waterproofing services in NYC for residential, commercial, and multi-unit properties—backed by proven materials, expert installation, and long-term warranties.
Trusted Roof Waterproofing Contractors in NYC
Our experienced team delivers reliable roof waterproofing services throughout New York City. From flat roofs and commercial buildings to residential rooftops and terraces, we tailor our waterproofing systems to your structure, drainage design, and exposure to harsh weather conditions.
NYC’s climate exposes roofs to heavy rain, snow, ice, and temperature extremes. Without proper waterproofing, roofs can develop leaks, mold growth, insulation failure, and structural deterioration. Our waterproofing contractors identify weak points and install robust systems that extend roof lifespan and prevent water intrusion.
WHAT WE DO
Flat Roof Waterproofing Service
Waterproofing Inside Basement
Protect your basement from leaks, moisture, and mold with our professional inside basement waterproofing services. At Liberty General Contracting, we use proven interior waterproofing methods to keep basements dry and functional year-round. Our solutions include high-quality sealants, vapor barriers, interior drainage systems, and moisture control systems designed specifically for NYC properties. Whether your basement is used for storage, living space, or commercial purposes, we stop water intrusion at its source and prevent long-term damage. Our team provides detailed inspections, honest recommendations, and reliable results that last. Serving all NYC boroughs, we ensure your basement remains clean, safe, and protected from costly water damage.
Foundation Waterproofing Services
Your foundation is essential to your property’s structural integrity. Our professional foundation waterproofing services protect NYC homes and buildings from water intrusion, cracks, and long-term damage. We install durable waterproof membranes, foundation sealants, drainage systems, and moisture barriers to block groundwater and prevent deterioration. Whether you’re dealing with active leaks or want preventative protection, our customized foundation waterproofing solutions are built to withstand New York’s demanding weather conditions. We serve residential and commercial properties throughout Manhattan, Brooklyn, Queens, and the Bronx. With expert workmanship and long-lasting materials, we help protect your investment and extend the life of your foundation.
Roof Waterproofing Services
Our roof waterproofing services provide long-term protection against leaks, pooling water, and weather-related damage. We specialize in waterproofing flat roofs, concrete roofs, and commercial roofing systems commonly found across NYC. Using advanced waterproof membranes, coatings, and sealants, we create a durable barrier that prevents water penetration and extends roof lifespan. Roof waterproofing is essential for preventing interior damage, mold growth, and structural issues caused by ongoing exposure to moisture. Whether you need preventative waterproofing or repairs to an existing system, our licensed contractors deliver dependable solutions built to handle New York’s climate and building requirements.
Concrete Waterproofing Services
Concrete surfaces are highly vulnerable to water penetration without proper protection. Our professional concrete waterproofing services seal and protect concrete foundations, walls, slabs, and roofs from moisture damage. We apply specialized waterproof coatings and sealants that prevent cracking, spalling, and deterioration caused by water infiltration and freeze-thaw cycles. Ideal for residential and commercial properties, concrete waterproofing improves durability and extends the lifespan of structural surfaces. Our team evaluates each surface carefully to apply the most effective waterproofing solution. Serving NYC and surrounding areas, we deliver long-lasting protection that keeps concrete strong, stable, and moisture-resistant.
Exterior Waterproofing
Our exterior waterproofing services stop water before it reaches your structure. By waterproofing exterior walls and foundations, we protect properties from groundwater, heavy rain, and long-term moisture exposure. Our solutions include exterior membranes, sealants, drainage systems, and protective coatings designed for NYC buildings. Exterior waterproofing is one of the most effective ways to prevent foundation damage, leaks, and mold growth. Whether you’re addressing an existing issue or investing in preventative protection, we tailor our approach to your property’s needs. Our experienced contractors deliver durable, code-compliant exterior waterproofing solutions you can rely on.
Crawl Space Waterproofing
Crawl spaces are a common source of moisture, mold, and poor indoor air quality. Our crawl space waterproofing services help NYC property owners eliminate excess humidity and protect structural components. We install vapor barriers, drainage solutions, moisture control systems, and sealing methods to prevent water intrusion and condensation. Proper crawl space waterproofing improves energy efficiency, reduces mold risk, and protects flooring and foundation elements above. Whether your crawl space is damp, flooded, or poorly ventilated, we provide customized solutions built for long-term performance. Keep your property healthier and structurally sound with expert crawl space waterproofing services.
Our Recent Roof Waterproofing Work in NYC
Explore our recent roof waterproofing projects across New York City, including flat roofs, commercial buildings, residential rooftops, terraces, and exterior surfaces. Each project highlights our commitment to quality workmanship, high-performance waterproofing materials, and long-lasting protection against leaks and weather damage.
Roof Waterproofing FAQs – Liberty Construction Services
What roof waterproofing services do you offer?
We provide complete roof waterproofing services, including flat roof waterproofing, roof membrane installation, liquid-applied waterproof coatings, flashing repair, seam sealing, and preventive leak protection for residential and commercial properties.
How do I know if my roof needs waterproofing?
Signs your roof may need waterproofing include water stains on ceilings, roof leaks, ponding water, cracked or bubbling membranes, mold growth, and deteriorating flashing. A professional inspection can identify vulnerabilities before major damage occurs.
Do you offer roof waterproofing services for flat roofs?
Yes. Flat roofs are one of our specialties. Our flat roof waterproofing services are designed to prevent standing water, seal seams, and extend the lifespan of commercial and residential flat roofing systems.
Is roof waterproofing necessary for older NYC buildings?
Absolutely. Older NYC buildings often have aging roof materials and outdated drainage systems. Roof waterproofing helps prevent leaks, structural deterioration, and costly repairs while improving overall roof performance.
Do you offer free roof waterproofing inspections and estimates?
Yes. We provide free roof waterproofing inspections and estimates to evaluate roof conditions, recommend the best waterproofing solution, and provide clear, upfront pricing.
Are your roof waterproofing contractors licensed and insured?
Yes. Our roof waterproofing contractors are fully licensed and insured, ensuring all work meets NYC building codes and safety standards.
Free Roof Waterproofing Estimate in NYC
Looking for reliable roof waterproofing services in NYC? Trust experienced waterproofing contractors who deliver long-lasting protection and dependable results.