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


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.
Insurance documentation available before work begins on any Walnut Creek commercial property.
Local Walnut Creek 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.
We identify why water is pooling — often a low spot or blocked drain — before recommending a solution.
We assess whether a modified bitumen repair needs a patch or a full section replacement.
Clogged or damaged drains are a leading cause of Walnut Creek flat roof ponding and membrane stress.
Rooftop HVAC units and their curbs are a frequent source of Walnut Creek commercial roof leaks that general roofers often overlook.

Call +1-844-212-9199 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.
Repaired seams are tested for a proper bond before we leave the site.

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

Our low-slope crews serve Walnut Creek businesses and properties across Walnut Creek, CA.
