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


Our Flat Roof Repair technicians are trained specifically on membrane systems, not general shingle repair applied to a low-slope roof.
Commercial Flat Roof Repair scheduling is built around minimizing disruption to your Derry business operations.
Insurance documentation available before work begins on any Derry commercial property.
We coordinate timing to reduce impact on tenants or foot traffic wherever possible.
Written Flat Roof Repair estimates cover membrane type, repair scope, and labor upfront.
Hot-air welders and seam probes come standard for TPO and EPDM Flat Roof Repair work.
Most Derry flat roof issues combine two or three of these elements, which is why a full inspection matters.
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 Derry commercial roof leaks that general roofers often overlook.

Call +1-855-469-0306 to schedule an assessment — dispatch connects you with a Flat Roof Repair specialist.
On-site assessment identifies the membrane type and the actual cause of the issue.
Drainage and ponding issues are assessed alongside any visible membrane damage.
Repairs are completed using membrane-appropriate technique, then tested before we consider the job done.

They tested the seam repair with water before considering the job done.
— Derry Homeowner
Scheduled the work around our business hours so it barely disrupted operations.
— Derry Homeowner
EPDM patch job from another company had failed within a year. Theirs has held up fine since.
— Derry Homeowner
They found a second smaller leak we didn't know about while fixing the one we called about.
— Derry Homeowner

Our low-slope crews serve Derry businesses and properties across Derry, PA.
