Use your polyurethane caulk to fill in the opening where the blister was removed.
How to repair foam roof blisters.
If there is traffic on the roof fix it.
In this first picture it identifys a golf ball size blister.
Phoenix foam roof repair.
Moisture trapped in spray down foam due to deterioration or loss of protective coating.
What to watch for roof coating blisters in ponding water areas are due to moisture permeation from above.
Type c typically left in place.
Foam roofs get bubbles and blisters sometimes and need to be repaired.
To promote thorough adhesion of a patch it is essential to begin by preparing the surface.
Cut the blister out using a razor knife bread knifes work the best.
This is a quick video showing you how do repair the foam bubbles and blisters on your flat roof.
No traffic you may want to leave it.
With proper care and repair your foam roof can virtually last forever.
Type a blisters should always be repaired as soon as possible.
The polyurethane will need to cure before you seal the repair.
If you have a large area that needs patching you may want to see if the foam can be purchased separately.
Repair in there is heavy traffic.
Should it be determined that blister removal is necessary the following steps should be followed.
Blisters are fixed as a part of a routine roof re coat.
Most foam roof repair kits come with the necessary tools and materials.
Step 2 get onto the roof.
Foam roofs take a beating from our phoenix sun.
Take a look at the kit to see how many square feet it will cover in a repair.
Roof coating blisters in areas of adequate drainage are usually coming from below.
If the membrane surface has been flood coated and aggregate embedded carefully spud.
Make sure you cure the cause type b blisters.
Inspect the damaged area for any moisture and continue cutting away damaged foam until only strong and dry foam remains.
Foam blisters fix it or leave it.