Roof Repair Smedway's Flat Roof Repair crews are trained on TPO, EPDM, and modified bitumen systems across San Francisco, 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.
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 San Francisco, CA licensing for commercial roofing work.
Local San Francisco dispatch minimizes business disruption with scheduling around your operating hours.
Membrane type and repair scope are itemized separately in every Flat Roof Repair estimate.
Hot-air welding equipment ensures a proper bond on every TPO Flat Roof Repair repair.
Flat roof issues cover a specific range of membrane and drainage problems — here's our Flat Roof Repair scope.
TPO seam separation gets properly heat-welded, not just caulked over as a temporary fix.
We identify the membrane type first, since EPDM and TPO repairs use different adhesive systems.
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 San Francisco 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.
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.
— San Francisco Homeowner
Diagnosed a drain issue nobody else had caught, solved a recurring leak we'd dealt with for two seasons.
— San Francisco Homeowner
Explained the difference between our old membrane and the repair material clearly.
— San Francisco Homeowner
They found a second smaller leak we didn't know about while fixing the one we called about.
— San Francisco Homeowner

Our low-slope crews serve San Francisco businesses and properties across San Francisco, CA.
