How to repair a flat roof membrane 1.
Patch membrane roof.
Apply a thick even coat of edpm primer to the area using a paintbrush.
Remove damaged membrane and insulation.
Cut the epdm patch material so it extends at least 2 inches beyond the.
Apply a thin coat of.
Instructions prepare the roof surface.
Trim the rubber patch to extend.
Decide on the part to be cut away.
Find the injury in the single ply membrane.
Pull off the old rubber roofing from the cut area.
Remove old caulking material with a scraper.
Prime the repair area.
Unscrew and remove the large metal washers holding down the fiberboard substrate.
Replace insulation if needed with like material.
Spider cracks in the surface the entire surface will have these fine cracks but it could be just in the beginning.
Measure the patch area.
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The first step in repairing an epdm roof is to prepare the roof surface to receive the patch.
Cut the patch to size.
Look for seam separation if the installer didn t know how to use a torch properly to fuse the seams together then the.
Here insulation was used as a kind of underlayment.
How to patch a leaking rubber roof 1.
Clean the membrane where the patch is.
Sweep the area free of dirt and debris using a push broom.