A low slope roof holds water where a pitched one sheds it, and 2 of the 213 roofers listed in Washington metro work on them.
At a glance
- Shingles do not belong on a low slope. Water sits and gets under them.
- Ponding that lasts more than two days is a drainage fault, not weather.
- EPDM is the black rubber. TPO is the white sheet that reflects heat.
- Most low slope leaks are at a seam, a drain, or where the roof meets a wall.
Highly rated roofers across the county
Ranked by rating and review count. Call two or three before you decide.
No 1
No 2
No 3
Presidential Exteriors
4.7 from 1,628 reviews
Highly reviewed10 years in businessStreet address on fileWebsite
SmartRoof - Roofing and Solar
4.7 from 1,147 reviews
Highly reviewed10 years in businessWebsite
Pond Roofing & Exteriors
4.9 from 811 reviews
Highly reviewed60 years in businessStreet address on fileWebsite
Presidential Exteriors
4.9 from 782 reviews
Highly reviewed10 years in businessStreet address on fileWebsite
American Custom Contractors
4.9 from 694 reviews
Highly reviewed50 years in businessStreet address on fileWebsite
MARS Roofing
4.8 from 734 reviews
Highly reviewed10 years in businessStreet address on fileWebsite
DreamHome Remodeling
4.7 from 742 reviews
Highly reviewedOpen 24 hours25 years in businessStreet address on fileWebsite
Green Oak Exteriors
5.0 from 464 reviews
Highly reviewedStreet address on fileWebsite
United Roofing LLC
5.0 from 399 reviews
Highly reviewed55 years in businessStreet address on fileWebsite
Common questions
How long does a flat roof last
A well installed membrane gives twenty to thirty years. Standing water and foot traffic are what shorten it.
Can I walk on my flat roof
Some membranes take traffic and some do not. Ask before you put anything up there.