How To Repair Foam Roof Blisters

The polyurethane will need to cure before you seal the repair. Roof coating blisters in areas of adequate drainage are usually coming from below. Foam roofs take a beating from our phoenix sun.

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Use a putty knife to pry up the blister.

How to repair foam roof blisters.

In this first picture it identifys a golf ball size blister. Cut the blister out using a razor knife bread knifes work the best. Moisture trapped in spray down foam due to deterioration or loss of protective coating. Phoenix foam roof repair.

Bitumen roof if the membrane is in good condition your contractor can simply cut an x shape into the blister to. What to watch for roof coating blisters in ponding water areas are due to moisture permeation from above. Blisters are fixed as a part of a routine roof re coat. Use your polyurethane caulk to fill in the opening where the blister was removed.

With proper care and repair your foam roof can virtually last forever. Inspect the damaged area for any moisture and continue cutting away damaged foam until only strong and dry foam remains. There are a few ways a contractor will repair a blister. Membrane roof cut away the membrane that has lost adhesion replace any wet insulation with like material and replace.