Roof Repair Smedway's Flat Roof Repair crews are trained on TPO, EPDM, and modified bitumen systems across Thornton, not general shingle work applied to a flat surface.


A flat roof leak rarely shows up directly above where the water actually entered — membrane systems move water laterally before it drips through.
Commercial Flat Roof Repair scheduling is built around minimizing disruption to your Thornton business operations.
Every Flat Roof Repair technician carries current Thornton, CA licensing for commercial roofing work.
We coordinate Thornton scheduling around your business hours whenever the situation allows.
Written Flat Roof Repair estimates cover membrane type, repair scope, and labor upfront.
Hot-air welders and seam probes come standard for TPO and EPDM Flat Roof Repair work.
Flat roof issues cover a specific range of membrane and drainage problems — here's our Flat Roof Repair scope.
We test repaired seams for a proper bond before considering the Flat Roof Repair job complete.
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.
We assess whether a modified bitumen repair needs a patch or a full section replacement.
We clear and repair drains and scuppers as part of a full Flat Roof Repair visit.
We reseal and reflash equipment curbs as part of a thorough Flat Roof Repair inspection.

Commercial Flat Roof Repair visits are scheduled around your operating hours whenever the situation allows.
On-site assessment identifies the membrane type and the actual cause of the issue.
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.

Ponding water on our building had been an issue for years until they actually fixed the drainage instead of just patching around it.
— Thornton Homeowner
Scheduled the work around our business hours so it barely disrupted operations.
— Thornton Homeowner
Explained the membrane type and why it mattered for the repair approach.
— Thornton Homeowner
They caught a second smaller leak while fixing the one we'd actually called about.
— Thornton Homeowner

We serve both commercial properties and residential flat-roof additions throughout Thornton and Thornton, CA.
