A low slope roof holds water where a pitched one sheds it, and 2 of the 224 roofers listed in Seattle 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
Guardian Roofing, Gutters & Insulation
4.8 from 3,312 reviews
Highly reviewed20 years in businessStreet address on fileWebsite
DaBella
4.6 from 1,390 reviews
10 years in businessStreet address on fileWebsite
Axis Roof and Gutter, Inc.
4.9 from 832 reviews
Highly reviewed25 years in businessStreet address on fileWebsite
Elite Roofing & Remodel
4.9 from 696 reviews
Highly reviewed20 years in business
Experienced Roof & Gutter Cleaning
4.9 from 572 reviews
Highly reviewedOpen 24 hours15 years in businessStreet address on fileWebsite
DaBella
4.6 from 819 reviews
Street address on fileWebsite
North Creek Roofing
4.9 from 540 reviews
Highly reviewed30 years in business
Forever Roofing
4.9 from 524 reviews
Highly reviewed10 years in business
The Roof Medic
4.9 from 501 reviews
Highly reviewed20 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.