We also inspect rooftop HVAC curbs and penetrations, since equipment mounts are a common overlooked source of flat roof leaks.


We carry compatible repair materials for multiple membrane brands, since mismatched patch material is a common cause of repeat flat roof failures.
Commercial Flat Roof Repair scheduling is built around minimizing disruption to your Mercer Island business operations.
Every Flat Roof Repair technician carries current Mercer Island, WA licensing for commercial roofing work.
We coordinate Mercer Island scheduling around your business hours whenever the situation allows.
No surprise costs once we're already on the roof mid-repair.
Hot-air welding equipment ensures a proper bond on every TPO Flat Roof Repair repair.
Here's what falls under our Mercer Island Flat Roof Repair service for commercial and low-slope roofs.
TPO seam separation gets properly heat-welded, not just caulked over as a temporary fix.
EPDM punctures and seam failures are patched with compatible materials, not a mismatched quick fix.
Standing water that doesn't drain within 48 hours accelerates membrane breakdown and needs a drainage fix, not just a patch.
Modified bitumen blisters and seam issues are repaired using proper torch-down or cold-adhesive technique depending on the situation.
We clear and repair drains and scuppers as part of a full Flat Roof Repair visit.
Rooftop HVAC units and their curbs are a frequent source of Mercer Island commercial roof leaks that general roofers often overlook.

Call +1-855-469-0306 to schedule an assessment — dispatch connects you with a Flat Roof Repair specialist.
A technician inspects the membrane system, checking seams, drains, and any ponding areas.
Drainage and ponding issues are assessed alongside any visible membrane damage.
A completed Flat Roof Repair includes a walkthrough of what was repaired and why.

TPO seam repair was clean, tested it before leaving to make sure it actually held.
— Mercer Island Homeowner
Scheduled the work around our business hours so it barely disrupted operations.
— Mercer Island Homeowner
EPDM patch job from another company had failed within a year. Theirs has held up fine since.
— Mercer Island Homeowner
They caught a second smaller leak while fixing the one we'd actually called about.
— Mercer Island Homeowner

We serve both commercial properties and residential flat-roof additions throughout Mercer Island and Mercer Island, WA.
