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


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 Waterloo commercial property.
We coordinate timing to reduce impact on tenants or foot traffic wherever possible.
Membrane type and repair scope are itemized separately in every Flat Roof Repair estimate.
Hot-air welders and seam probes come standard for TPO and EPDM Flat Roof Repair work.
Here's what falls under our Waterloo 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.
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.
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 Waterloo commercial roof leaks that general roofers often overlook.

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.
Repair scope and pricing are explained clearly so you can plan around business operations.
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.
— Waterloo Homeowner
Scheduled around our tenants' business hours without us even having to ask.
— Waterloo Homeowner
Explained the membrane type and why it mattered for the repair approach.
— Waterloo Homeowner
They found a second smaller leak we didn't know about while fixing the one we called about.
— Waterloo Homeowner

Our low-slope crews serve Waterloo businesses and properties across Waterloo, WI.
