Roof Repair Smedway's Flat Roof Repair crews are trained on TPO, EPDM, and modified bitumen systems across Alstead, not general shingle work applied to a flat surface.


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 Alstead commercial property.
Local Alstead dispatch minimizes business disruption with scheduling around your operating hours.
No surprise costs once we're already on the roof mid-repair.
Hot-air welders and seam probes come standard for TPO and EPDM Flat Roof Repair work.
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.
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 Alstead flat roof ponding and membrane stress.
We reseal and reflash equipment curbs as part of a thorough Flat Roof Repair inspection.

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.
A completed Flat Roof Repair includes a walkthrough of what was repaired and why.

TPO seam repair was clean, tested it before leaving to make sure it actually held.
— Alstead Homeowner
Diagnosed a drain issue nobody else had caught, solved a recurring leak we'd dealt with for two seasons.
— Alstead Homeowner
Explained the difference between our old membrane and the repair material clearly.
— Alstead Homeowner
They found a second smaller leak we didn't know about while fixing the one we called about.
— Alstead Homeowner

We serve both commercial properties and residential flat-roof additions throughout Alstead and Alstead, NH.
