Repair Foam Roof Blisters

Also the roof will be cleaned thoroughly first.

Repair foam roof blisters. Most industry warranties do not cover spf blisters as they generally cover only the water tightness of the polyurethane foam coating. No traffic you may want to leave it. Repair in there is heavy traffic. Roof coating blisters in areas of adequate drainage are usually coming from below.

Type d typically left in place. The decision to repair unopened blisters has typically been left up to the judgment of the contractor. Type a blisters should always be repaired as soon as possible. Foam roofs take a beating from our phoenix sun.

If you currently have a foam roof and you notice protrusions or blisters then you should consider fixing your roof fairly quickly. The majority of blisters do not pose a threat to the integrity of the foam roofing system. Unnecessary repair attempts can result in leaks and premature roof problems. If there is traffic on the roof fix it.

Causes of blisters all conventional low slope roof systems experience blisters in some form. A roof blister is a raised area where there is a loss of adhesion of the roof. Type c typically left in place. With proper care and repair your foam roof can virtually last forever.

If the coating is secured over a dirty surface it can pull away from the foam and possibly peel away from the roof. Make sure you cure the cause type b blisters. 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. What to watch for roof coating blisters in ponding water areas are due to moisture permeation from above.

This area can fill up with air or water to form a blister which looks like a bubble on your roof. This also applies to blisters in built in and single ply membrane systems. Foam blisters fix it or leave it. Phoenix foam roof repair.

Spray foam spf is not a 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. Polyurethane foam roofing can sometimes develop blisters the most common cause of which is due to the presence of moisture.

It is an insulator not a waterproofing system. The unnecessary repair of blisters in a sprayed polyurethane foam roofing system can lead to leaks and premature roof problems. If repairs are warranted it should be left to the roofing contractor to properly repair them.