Roof Waterproofing in New York City
The roof is your building’s first defense against water. When a roof leaks or holds moisture, it can lead to mold, stains, and costly damage. A strong waterproofing system protects your roof and extends its life. We provide expert roof waterproofing services across New York City. This includes membrane installation, leak detection, and repairs. We work on homes, offices, apartments, and commercial buildings in Manhattan, Brooklyn, Queens, Bronx, and nearby areas.
Why Roof Waterproofing Is Important
New York weather can be hard on your roof. Rain, snow, sun, and ice all take a toll. Over time, roofs crack, shrink, or let water in. Once that happens, water spreads fast. It may leak into ceilings, walls, or insulation. It may cause mold or rot. Some roofs are flat and hold water. Others slope but have gaps or worn spots.
Call Us Now
+1 (347) 577-2852
- Water leaks and stains inside
- Mold or mildew from forming
- Damage to ceilings or walls
Roof waterproofing helps stop:
- Energy loss due to wet insulation
- Roof sagging or cracking
- Costly repairs or early roof replacement
Foundation waterproofing helps prevent these issues. It keeps your foundation strong, dry, and safe.
Signs You May Need Roof Waterproofing
You may not always see water right away. But small signs can point to bigger roof problems. Watch for:
- Brown or yellow stains on ceilings
- Peeling paint near the roof line
- Mold spots on attic walls
- Dripping water after rain
- Bubbling roof membrane
- Pooling water on flat roofs
- Visible cracks or holes on roof surface
- Strong musty smell in upper rooms
If you notice any of these, it’s time to inspect the roof.
Our Roof Waterproofing Services in NYC
We use safe tools and proven systems to stop roof leaks. Every job starts with an inspection. We find the weak spots and explain how to fix them.
Waterproof Membrane Installation
Membranes create a waterproof layer on your roof. They stop water from entering and protect the surface from heat, cold, and UV damage.
TPO (Thermoplastic Polyolefin)
Reflects heat and keeps energy costs down. Great for flat commercial roofs.
EPDM (Rubber Roofing)
These catch surface water before it reaches the foundation.
Torch Down Roofing
Good for flat roofs. Applied with heat to form a tight seal.
Liquid Applied Membranes
Sprayed or rolled on. Great for roof decks or hard-to-reach places.
PVC Roofing Systems
Chemical resistant and strong. Often used on flat industrial roofs.
We choose the best membrane for your roof type and building needs.
Leak Detection and Repair
Finding a roof leak early helps avoid major damage. Some leaks are easy to spot. Others hide under layers or travel before showing inside. We use advanced tools and visual checks to find the source.Once we find the leak, we seal it using a waterproof repair system. We also check nearby areas to make sure the problem is solved.
Leak Detection Tools and Steps:
- Moisture meters
- Thermal imaging cameras
- Roof surface inspection
- Drain and edge checks
- Flashing and seam review
Flat Roof Waterproofing
Many NYC buildings have flat roofs. These often hold water and get more wear from sun and rain. We install coatings and drains to protect the surface.
What We Do:
- Apply seamless waterproof coatings
- Install proper drainage or slope adjustments
- Patch weak spots and seal edges
- Reinforce flashing and corner joints
- Replace worn membrane or layers
We make sure your flat roof stays dry and lasts longer.
Sloped Roof Waterproofing
Sloped roofs can also leak. Water may enter through flashing, nail holes, or old shingles. We check these points and apply sealants or new materials.
Common Fixes:
- Seal around chimneys, vents, or skylights
- Replace damaged tiles or shingles
- Repair flashing and gutters
- Apply protective roof coatings
We match materials to your current roof so the fix blends in.
Green Roof and Roof Deck Sealing
Some city buildings have roof gardens or decks. These look great but need strong waterproof layers below. We apply special systems to protect the structure under plants or patio tiles.
Why Choose Us for Roof Waterproofing in NYC
We have worked on thousands of roofs across New York City. From small homes to tall buildings, we know how to stop roof leaks the right way.We treat your roof with care. We also explain each step of the job so you know what we’re doing and why.
- Local experience with NYC buildings
- Licensed and insured for roof work
- Free inspections and quotes
- Clear prices and no hidden fees
- Safe tools and expert team
- Clean work and fast service
- Warranties available on many systems
Who We Help
Whether you need a small repair or a full roof system, we are ready.We waterproof foundations for:
- Homeowners
- Co-op and condo buildings
- Office buildings
- Retail stores and malls
- Industrial sites
- Schools and daycare centers
- Property managers
- Real estate agents
Our Service Areas
We offer roof waterproofing across: Call us to ask if we cover your town. We’re happy to help.
How the Job Works
Our commercial process is simple:
Inspection
We check the roof and find the water entry points.
Inspection
Plan and Quote
We suggest the best solution and give a clear price.
Plan and Quote
Schedule Work
We set a date that fits your schedule.
Schedule Work
Do the Job
We install membranes, seal leaks, or coat the roof.
Do the Job
Clean and Finish
We remove waste and walk through the work with you.
Clean and Finish
Support and Warranty
We stay in touch for support and offer long-term protection.
Support and Warranty
Customer Reviews
We had leaks every time it rained. They installed a rubber roof and sealed all edges. Now it’s dry and quiet
Great work on our flat roof. They added a TPO layer and fixed the drainage
Professional and honest team. Found the leak, explained the fix, and did a clean job
FAQs – Roof Waterproofing NYC
If you see water stains, mold, or pooling water, it’s time to check your roof.
Yes. We work with new and old roofs. We inspect first to see what’s possible.
Most systems last 10–20 years or more. Some coatings may need touch-ups over time.
No. We work only in dry weather to ensure proper sealing.
Yes. Most jobs do not affect the inside of your home.
If needed. Some systems go on top, others require old material to be removed.
Most jobs are not very loud. If tools are used, we try to work during daytime hours. Most jobs are not very loud. If tools are used, we try to work during daytime hours.
Yes. Roof coatings can reflect heat and reduce indoor temps in summer.
Yes. We offer product and labor warranties based on the job type.
Get a Free Roof Check and Quote
If your roof leaks or needs sealing, contact us today. We’ll inspect the surface, explain your options, and give a clear quote. No pressure. No hidden fees.
- Phone: (347) 577-2852
- Email: bilal@makkahconstruction.com
- Hours: 24/7 Available