How To Repair Foam Roof Blisters

Foam roofs get bubbles and blisters sometimes and need to be repaired.

How to repair foam roof blisters.

This is a quick video showing you how do repair the foam bubbles and blisters on your flat roof. Blisters are fixed as a part of a routine roof re coat. Roof coating blisters in areas of adequate drainage are usually coming from below. To promote thorough adhesion of a patch it is essential to begin by preparing the surface.

Type c typically left in place. Moisture trapped in spray down foam due to deterioration or loss of protective coating. Inspect the damaged area for any moisture and continue cutting away damaged foam until only strong and dry foam remains. Proper installation install the insulation board snugly to substrate clean the work area of dust and other contaminants allow proper ventilation for the new roof system.

If there is traffic on the roof fix it. If the membrane surface has been flood coated and aggregate embedded carefully spud. Make sure you cure the cause type b blisters. With proper care and repair your foam roof can virtually last forever.

Cut the blister out using a razor knife bread knifes work the best. Use a putty knife to pry up the blister. Repair in there is heavy traffic. Most foam roof repair kits come with the necessary tools and materials.

No traffic you may want to leave it. Take a look at the kit to see how many square feet it will cover in a repair. Type a blisters should always be repaired as soon as possible. What to watch for roof coating blisters in ponding water areas are due to moisture permeation from above.

Step 2 get onto the roof. Use your polyurethane caulk to fill in the opening where the blister was removed. Phoenix foam roof repair. The polyurethane will need to cure before you seal the repair.

Type d typically left in place. If you have a large area that needs patching you may want to see if the foam can be purchased separately. In this first picture it identifys a golf ball size blister.