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 South Londonderry business operations.
Insurance documentation available before work begins on any South Londonderry 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.
Proper membrane welding equipment prevents the seam failures common with improvised patches.
Most South Londonderry flat roof issues combine two or three of these elements, which is why a full inspection matters.
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.
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 South Londonderry commercial roof leaks that general roofers often overlook.

We start by discussing the issue — ponding, active leak, or visible membrane damage.
Technicians identify your membrane type before recommending any Flat Roof Repair repair method.
You receive a written estimate covering membrane repair or drainage correction before work begins.
A completed Flat Roof Repair includes a walkthrough of what was repaired and why.

They tested the seam repair with water before considering the job done.
— South Londonderry Homeowner
Scheduled around our tenants' business hours without us even having to ask.
— South Londonderry Homeowner
EPDM patch job from another company had failed within a year. Theirs has held up fine since.
— South Londonderry Homeowner
They found a second smaller leak we didn't know about while fixing the one we called about.
— South Londonderry Homeowner

We serve both commercial properties and residential flat-roof additions throughout South Londonderry and South Londonderry, VT.
