Repair Foam Roof Blisters

Type d typically left in place.

Repair foam roof blisters.

If there is traffic on the roof fix it. Foam blisters fix it or leave it. This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems. It is an insulator not a waterproofing system.

Type c typically left in place. Phoenix foam roof repair. 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.

The majority of blisters do not pose a threat to the integrity of the foam roofing system. The unnecessary repair of blisters in a sprayed polyurethane foam roofing system can lead to leaks and premature roof problems. Polyurethane foam roofing can sometimes develop blisters the most common cause of which is due to the presence of moisture. The majority of blisters do not pose a threat to the integrity of the foam roofing system.

What to watch for roof coating blisters in ponding water areas are due to moisture permeation from above. If you currently have a foam roof and you notice protrusions or blisters then you should consider fixing your roof fairly quickly. If repairs are warranted it should be left to the roofing contractor to properly repair them. Roof coating blisters in areas of adequate drainage are usually coming from below.

Type a blisters should always be repaired as soon as possible. With proper care and repair your foam roof can virtually last forever. Unnecessary repair attempts can result in leaks and premature roof problems. A roof blister is a raised area where there is a loss of adhesion of the roof.

Unnecessary repair attempts can result in leaks and premature roof problems. If left untreated a blister can grow larger and allow more moisture to get in so that the problem gets worse until more extensive repairs and possible replacement is necessary unless it pops. The decision to repair unopened blisters has typically been left up to the judgment of the contractor. Repair in there is heavy traffic.

Spray foam spf is not a roof. Also the roof will be cleaned thoroughly first. Moisture trapped in spray down foam due to deterioration or loss of protective coating. This also applies to blisters in built in and single ply membrane systems.

No traffic you may want to leave it. Most industry warranties do not cover spf blisters as they generally cover only the water tightness of the polyurethane foam coating. Foam roofs take a beating from our phoenix sun.