Flat Roofing

Owens Corning Certified Contractor

Certified Flat Roofing Long Island NY.

Flat roofing Long Island NY for commercial and residential properties. EPDM, modified bitumen, and TPO systems across Long Island, Queens, The Bronx, Brooklyn, and Nassau County.
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Our Flat Roofing Long Island NY Experts.

At Mayancelas Jr. Roofing LLC, we provide flat roofing Long Island NY, Queens, The Bronx, and surrounding areas, installing and repairing EPDM, modified bitumen, and TPO systems for commercial and residential structures of any size. Our team brings more than 15 years of experience to every flat roof project, using certified materials that handle Long Island weather. We complete every flat roofing Long Island NY installation with precision, proper drainage, and full waterproofing so your property stays protected for decades. Free inspections and detailed written estimates on every job.
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The Benefits of Flat Roofing

Flat roofing delivers long-term protection at a lower cost per square foot. Here is what you gain.

Strong Waterproofing to Prevent Leaks and Pooling

Modern flat roofing systems use membranes and proper drainage to prevent water pooling and leaks. EPDM and modified bitumen create a continuous waterproof barrier that holds up through Long Island rain, snow, and ice seasons.

Cost-Effective Flat Option

Flat roofing costs less per square foot than pitched systems, making it ideal for commercial buildings and large residential additions as well.

Long Lifespan with Low Ongoing Maintenance Needs.

EPDM membranes last 20 to 30 years with minimal upkeep. Modified bitumen is equally durable. Flat roofs need less maintenance than pitched systems once installed.

Easy Rooftop Access for HVAC and Equipment

Flat roofs provide safe, accessible space for HVAC units, solar panels, and rooftop equipment. Crews work efficiently without the hazards and staging costs of steep slopes.

How It Works

Our 4-Step Flat Roofing Process

From free inspection to final drainage check: clean, efficient, waterproofed flat roofing on every project.

Free Roof Inspection

Our inspector checks your flat roof condition and drainage, documents all issues, and explains what needs to be done. Free, no obligation.

System Selection & Written Estimate

We walk you through EPDM, modified bitumen, or TPO options with a written estimate covering materials, scope, and timeline. No hidden costs.

Flat Roof Membrane Installed

Our crew installs your system using certified materials, ensuring correct drainage, sealed edges, and full membrane coverage. Clean, done right.

Final Inspection & Cleanup

We do a complete walkthrough, verify drainage and waterproofing, remove all debris, and hand you your warranty. Your property is left clean and fully protected.

1 +
Years Experience
100 +
Flat Roofs Done
1 ★
Rated Service
/7
Emergency Service

Our Recent Flat Roofing Projects NY

Need Flat Roofing Long Island NY Service?

Your flat roofing Long Island NY project starts with a free inspection and a written estimate covering every detail. We serve Nassau, Suffolk County, Queens, Brooklyn, and the Bronx. No obligation. Call (631) 882-5324.
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Questions about Flat Roofing Long Island NY.

Questions about flat roofing Long Island NY? Here are the answers property owners ask most about systems, costs, and lifespan.
We install EPDM, modified bitumen, and TPO flat roofing systems. EPDM is our most popular choice for durability and lifespan. Modified bitumen works well for smaller commercial and residential flat roofs. TPO is ideal for energy-efficient commercial applications. We recommend the right system based on your structure and budget.
Flat roofing systems offer lower installation costs per square foot, easier access for HVAC and equipment maintenance, and excellent waterproofing when installed correctly. EPDM and modified bitumen systems also provide long service lives with minimal upkeep.
Most residential flat roofing Long Island NY projects are completed in one to three days. Commercial or larger installations may take longer depending on the square footage and system type. We give you a clear timeline in your written estimate before any work begins.
Yes. Flat roofing works well for residential additions, garages, and low-slope sections of homes. EPDM and modified bitumen are popular choices for residential applications. We assess your property during the free inspection and recommend the best system for the slope, drainage, and climate conditions on Long Island.

Yes. Financing options are available to help Long Island property owners manage flat roofing Long Island NY costs. Ask about plans when you call. For certified material details, visit owenscorning.com.

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Phone Number:

(631) 882-5324

Our Email Address:

info@mayancelasroofing.com

Monday to Saturday, 8:00AM - 6:00PM

Sunday Emergencies or Scheduled Appointments

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