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 Sanborn commercial property.
We coordinate Sanborn scheduling around your business hours whenever the situation allows.
Written Flat Roof Repair estimates cover membrane type, repair scope, and labor upfront.
Proper membrane welding equipment prevents the seam failures common with improvised patches.
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.
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.
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 Sanborn commercial roof leaks that general roofers often overlook.
We start by discussing the issue — ponding, active leak, or visible membrane damage.
A technician inspects the membrane system, checking seams, drains, and any ponding areas.
You receive a written estimate covering membrane repair or drainage correction before work begins.
Repaired seams are tested for a proper bond before we leave the site.
They tested the seam repair with water before considering the job done.
— Sanborn Homeowner
Diagnosed a drain issue nobody else had caught, solved a recurring leak we'd dealt with for two seasons.
— Sanborn Homeowner
Explained the membrane type and why it mattered for the repair approach.
— Sanborn Homeowner
They caught a second smaller leak while fixing the one we'd actually called about.
— Sanborn Homeowner
We prioritize active leak calls first during high-demand periods across Sanborn.
