54-30 44th Street, Maspeth, NY 11378

+1 646-461-3243

estimating@maspethcontracting.com

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Built to Inspire

Roof Waterproofing & Leak Repair
Serving Queens & All of NYC

A roof leak doesn’t stay contained. Water travels along structural members, soaks through insulation, and shows up on a ceiling three rooms from where it actually entered. By the time you see the stain, the damage behind it is usually more extensive than it looks. At Maspeth Roofing, we handle roof waterproofing, leak repair, and leak detection throughout New York City — Queens, Brooklyn, Manhattan, the Bronx, and Staten Island.

 

Roof Waterproofing in Queens

Preventive waterproofing on flat and low-slope roofs — including membrane treatments and waterproof coatings — is one of the most cost-effective things a building owner in Queens can do to extend the life of a roof and avoid emergency repairs down the road. We assess the current condition of the roof, recommend the right waterproofing approach, and apply it properly so it holds.

 

Roof Leak Repair in Brooklyn & the Bronx

We handle roof leak repair throughout Brooklyn, the Bronx, and across New York City. We don’t just address where the water is showing up — we locate the actual source of the leak and fix it properly so it doesn’t come back. Recurring leaks that have been patched repeatedly without lasting results are a specialty of ours.

 

Waterproofing Contractor in Manhattan

Manhattan properties — from townhouses to commercial buildings — face significant weathering from wind-driven rain and aging building envelopes. Our waterproofing work in Manhattan covers roof membrane applications, flashing replacements, penetration sealing, and full waterproofing assessments for properties that have had recurring moisture issues without a clear resolution.

 

Roof Leak Detection on Long Island

Some leaks are straightforward to find. Others travel significant distances from their entry point before they become visible. If you’ve had a persistent leak on Long Island that hasn’t been successfully resolved, we have the experience — and the diagnostic methods, including infrared imaging when warranted — to locate it and address it properly.

 

Waterproof Roof Coating on Staten Island

A waterproof coating applied to a flat or low-slope roof in sound structural condition can extend its lifespan by several years and add reflective energy savings on top. We offer waterproof coating applications throughout Staten Island and across the NYC metro for roofs that are performing adequately but would benefit from an added layer of protection before issues develop.

Trusted Expertise

Superior Construction & Restoration

We deliver high-quality solutions for residential and commercial projects, ensuring precision, durability, and efficiency.