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.
Commercial Flat Roof Repair scheduling is built around minimizing disruption to your Sterling business operations.
Every Flat Roof Repair technician carries current Sterling, IL licensing for commercial roofing work.
We coordinate Sterling scheduling around your business hours whenever the situation allows.
Membrane type and repair scope are itemized separately in every Flat Roof Repair estimate.
Proper membrane welding equipment prevents the seam failures common with improvised patches.
Here's what falls under our Sterling Flat Roof Repair service for commercial and low-slope roofs.
We test repaired seams for a proper bond before considering the Flat Roof Repair job complete.
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.
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 Sterling commercial roof leaks that general roofers often overlook.

Commercial Flat Roof Repair visits are scheduled around your operating hours whenever the situation allows.
Technicians identify your membrane type before recommending any Flat Roof Repair repair method.
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.

Ponding water on our building had been an issue for years until they actually fixed the drainage instead of just patching around it.
— Sterling Homeowner
Diagnosed a drain issue nobody else had caught, solved a recurring leak we'd dealt with for two seasons.
— Sterling Homeowner
Explained the difference between our old membrane and the repair material clearly.
— Sterling Homeowner
They found a second smaller leak we didn't know about while fixing the one we called about.
— Sterling Homeowner

We prioritize active leak calls first during high-demand periods across Sterling.
