Repair Foam Roof Blisters

Type c typically left in place.

Repair foam roof blisters.

Spray foam spf is not a roof. Foam roofs take a beating from our phoenix sun. Unnecessary repair attempts can result in leaks and premature roof problems. Roof coating blisters in areas of adequate drainage are usually coming from below.

No traffic you may want to leave it. This also applies to blisters in built in and single ply membrane systems. Make sure you cure the cause type b blisters. Phoenix foam roof repair.

Most industry warranties do not cover spf blisters as they generally cover only the water tightness of the polyurethane foam coating. Spf spray polyurethane foam is a mixture of two liquid compounds isocyanate and polyol which expands to 20 or 30 times larger than its original size by creating bubbles or air pockets. The majority of blisters do not pose a threat to the integrity of the foam roofing system. If the coating is secured over a dirty surface it can pull away from the foam and possibly peel away from the roof.

This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems. Unnecessary repair attempts can result in leaks and premature roof problems. Type d typically left in place. It is an insulator not a waterproofing system.

The majority of blisters do not pose a threat to the integrity of the foam roofing system. Also the roof will be cleaned thoroughly first. The unnecessary repair of blisters in a sprayed polyurethane foam roofing system can lead to leaks and premature roof problems. Moisture trapped in spray down foam due to deterioration or loss of protective coating.

If repairs are warranted it should be left to the roofing contractor to properly repair them. What to watch for roof coating blisters in ponding water areas are due to moisture permeation from above. Type a blisters should always be repaired as soon as possible. A roof blister is a raised area where there is a loss of adhesion of the roof.

Repair in there is heavy traffic. Polyurethane foam roofing can sometimes develop blisters the most common cause of which is due to the presence of moisture. Foam blisters fix it or leave it. If there is traffic on the roof fix it.

This area can fill up with air or water to form a blister which looks like a bubble on your roof. Causes of blisters all conventional low slope roof systems experience blisters in some form. With proper care and repair your foam roof can virtually last forever.