Flat and low-slope roofs fail differently than pitched shingle roofs — ponding water, seam separation, and membrane punctures need specialized diagnosis.


Our Flat Roof Repair technicians are trained specifically on membrane systems, not general shingle repair applied to a low-slope roof.
We also test repaired seams for a proper bond before leaving, rather than assuming a visual check is enough.
Every Flat Roof Repair technician carries current Carrolls, WA licensing for commercial roofing work.
We coordinate Carrolls scheduling around your business hours whenever the situation allows.
No surprise costs once we're already on the roof mid-repair.
Hot-air welders and seam probes come standard for TPO and EPDM Flat Roof Repair work.
Here's what falls under our Carrolls Flat Roof Repair service for commercial and low-slope roofs.
We test repaired seams for a proper bond before considering the Flat Roof Repair job complete.
We identify the membrane type first, since EPDM and TPO repairs use different adhesive systems.
We identify why water is pooling — often a low spot or blocked drain — before recommending a solution.
Modified bitumen blisters and seam issues are repaired using proper torch-down or cold-adhesive technique depending on the situation.
Clogged or damaged drains are a leading cause of Carrolls flat roof ponding and membrane stress.
Rooftop HVAC units and their curbs are a frequent source of Carrolls commercial roof leaks that general roofers often overlook.

We start by discussing the issue — ponding, active leak, or visible membrane damage.
Technicians identify your membrane type before recommending any Flat Roof Repair repair method.
You receive a written estimate covering membrane repair or drainage correction before work begins.
Repairs are completed using membrane-appropriate technique, then tested before we consider the job done.

TPO seam repair was clean, tested it before leaving to make sure it actually held.
— Carrolls Homeowner
Scheduled around our tenants' business hours without us even having to ask.
— Carrolls Homeowner
EPDM patch job from another company had failed within a year. Theirs has held up fine since.
— Carrolls Homeowner
They found a second smaller leak we didn't know about while fixing the one we called about.
— Carrolls Homeowner

We prioritize active leak calls first during high-demand periods across Carrolls.
