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 Lisbon business operations.
Every Flat Roof Repair technician carries current Lisbon, ME licensing for commercial roofing work.
Local Lisbon dispatch minimizes business disruption with scheduling around your operating hours.
No surprise costs once we're already on the roof mid-repair.
Proper membrane welding equipment prevents the seam failures common with improvised patches.
Here's what falls under our Lisbon 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.
Standing water that doesn't drain within 48 hours accelerates membrane breakdown and needs a drainage fix, not just a patch.
Modified bitumen blisters and seam issues are repaired using proper torch-down or cold-adhesive technique depending on the situation.
Clogged or damaged drains are a leading cause of Lisbon flat roof ponding and membrane stress.
Rooftop HVAC units and their curbs are a frequent source of Lisbon 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.
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.
TPO seam repair was clean, tested it before leaving to make sure it actually held.
— Lisbon Homeowner
Scheduled around our tenants' business hours without us even having to ask.
— Lisbon Homeowner
Explained the membrane type and why it mattered for the repair approach.
— Lisbon Homeowner
They caught a second smaller leak while fixing the one we'd actually called about.
— Lisbon Homeowner
We prioritize active leak calls first during high-demand periods across Lisbon.
