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.
We also test repaired seams for a proper bond before leaving, rather than assuming a visual check is enough.
Membrane Flat Roof Repair credentials cover commercial licensing requirements across Shelter Island, NY.
We coordinate Shelter Island scheduling around your business hours whenever the situation allows.
No surprise costs once we're already on the roof mid-repair.
Proper membrane welding equipment prevents the seam failures common with improvised patches.
Most Shelter Island 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.
EPDM punctures and seam failures are patched with compatible materials, not a mismatched quick fix.
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 Shelter Island flat roof ponding and membrane stress.
Rooftop HVAC units and their curbs are a frequent source of Shelter Island 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.
Drainage and ponding issues are assessed alongside any visible membrane damage.
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.
— Shelter Island Homeowner
Scheduled around our tenants' business hours without us even having to ask.
— Shelter Island Homeowner
Explained the difference between our old membrane and the repair material clearly.
— Shelter Island Homeowner
They caught a second smaller leak while fixing the one we'd actually called about.
— Shelter Island Homeowner

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