A low slope roof holds water where a pitched one sheds it, and 1 of the 201 roofers listed in Portland 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
High Performance Homes
4.8 from 1,091 reviews
Highly reviewed10 years in businessStreet address on fileWebsite
Bliss Roofing
4.9 from 878 reviews
Highly reviewed55 years in business
Interstate Roofing
4.8 from 779 reviews
Highly reviewedOpen 24 hours35 years in businessStreet address on fileWebsite
DaBella
4.6 from 1,021 reviews
10 years in businessStreet address on fileWebsite
Grant Roofing & Pressure Washing
4.9 from 659 reviews
Highly reviewedOpen 24 hours25 years in businessStreet address on fileWebsite
Pfeifer Roofing, Inc.
4.9 from 622 reviews
Highly reviewed45 years in business
Northwest Roof Maintenance Inc.
4.8 from 658 reviews
Highly reviewedOpen 24 hours20 years in businessStreet address on fileWebsite
Giron Roofing Inc
4.9 from 507 reviews
Highly reviewed15 years in businessStreet address on fileWebsite
Geek Roofing
5.0 from 400 reviews
Highly reviewedStreet 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.