License No: H18F9880000
Flat and low-slope roofs need specialized expertise. From new installations to leak repairs and protective coatings, trust 40+ years of flat-roof experience from a GAF Master Elite® contractor.
Flat and low-slope roofs don't shed water the way a pitched roof does, so they live and die by their materials, their seams, and their drainage. The same contractor who does a great shingle roof can get a flat roof badly wrong — which is why ponding water, failing seams, and recurring leaks are so common on them.
Abraham Roofing has installed and repaired flat roofs across Long Island for over 40 years. We match the right system to your building, seal it properly, and make sure water actually drains — whether it's a home addition, a commercial building, or a low-slope section of an existing roof.
Ponding water that doesn't drain within a couple of days will eventually find a way through almost any flat roof. We address drainage and slope as part of the job — not just the surface — so the roof actually performs, not just looks finished.
One of our experienced estimators will meet with you in person, assess the job, and give you a clear, honest quote — no obligation.
We install proven flat-roof systems — TPO, EPDM, and modified bitumen — chosen to fit your roof's slope, exposure, and use, rather than defaulting to whatever's easiest.
Flat roofs fail at the seams and where water pools. We focus on exactly these points — proper sealing and proper drainage — because that's where flat roofs actually succeed or fail.
For aging flat roofs that aren't ready for replacement, we offer restoration coatings that seal, protect, and add years of service at a fraction of the cost.
one of Nassau County's most established roofing companies
top 2% in North America
License No. H18F9880000
a real estimator assesses the job, not a salesperson over the phone
from a quick fix to a full installation
the principle this company was built on
See what our customers have to say about their experience working with Abraham Roofing.
“Abraham Roofing re-roofed our warehouse with a TPO system and handled the whole job around our shipping schedule. No downtime, no surprises, and the documentation they provided made our insurance renewal easy.”
Google/yelp Review - West Hills, CA
“Abraham Roofing did an excellent job replacing our roof. The team was professional, efficient, and kept us informed throughout the entire process. The quality of workmanship exceeded our expectations.”
Google/yelp Review - West Hills, CA
“Abraham Roofing did an excellent job replacing our roof. The team was professional, efficient, and kept us informed throughout the entire process. The quality of workmanship exceeded our expectations.”
Google/yelp Review - West Hills, CA
“Abraham Roofing did an excellent job replacing our roof. The team was professional, efficient, and kept us informed throughout the entire process. The quality of workmanship exceeded our expectations.”
Google/yelp Review - West Hills, CA
“Abraham Roofing did an excellent job replacing our roof. The team was professional, efficient, and kept us informed throughout the entire process. The quality of workmanship exceeded our expectations.”
Google/yelp Review - West Hills, CA
“Abraham Roofing did an excellent job replacing our roof. The team was professional, efficient, and kept us informed throughout the entire process. The quality of workmanship exceeded our expectations.”
Google/yelp Review - West Hills, CA
“Abraham Roofing did an excellent job replacing our roof. The team was professional, efficient, and kept us informed throughout the entire process. The quality of workmanship exceeded our expectations.”
Google/yelp Review - West Hills, CA
Expert flat roof installation, repair, and coatings across Nassau County, Queens, and all of Long Island. Get your free, no-obligation estimate today.
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