Flat Roof Bubble Repair

Flat roof blisterts bubbles occur as the direct result of hot air that rises from the crawl space between the top floor ceiling and the roof deck of the home.

Flat roof bubble repair. Blisters can frustrate anyone who works with roofs. Alligatoring is a crazed cracking pattern in the roof s surfacing. In this bulletin we offer some ideas that may be helpful in dealing with blisters. With weather changes roof blisters may pop up on your commercial flat roof.

The chances are good that water has penetrated the roof membrane through a nearby hole or flashing. There are four main reasons why blisters bubbles occur on your flat roof. Whilst bubbles or blisters on a one piece epdm roof can be unsightly they will not cause the rubber membrane to fail. The decision to repair unopened blisters has typically been left up to the judgment of the contractor.

Typically the repair entails using a hypodermic needle to release the air from the bubble and then pressing it flat or cutting away the bubble and applying a patch. Blistering and alligatoring are two problems that are common among membrane roofing systems. Roll roofing also known as composition asphalt roofing is designed for cold installation on roof sheathing. This means the roofing can be.

Blistering is a different phenomenon in which bubbles form underneath the roof s membrane. The roofer did not completely cover every square inch of the roof deck with adhesive as he re roofed. Their arrival is usually a surprise their cause is often unknown and their removal is a lot of work. It looks a lot like alligator skin which is where the name comes from.

Blisters on an almost flat roof may be caused by heat and sun but they often signify moisture under the surface. Repair blisters example of a roof blister. The kit is probably the most economical choice for a small repair but you can do the job yourself with adhesive sealant primer and a piece of epdm or tpo. How to repair a bubble in a roll of top roofing.

This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems. If there are several blisters or the blisters are quite large consider calling a roofing. These bubbles of trapped air moisture can be caused by a variety of issues which are all avoidable if the roof design is correct and the membrane is correctly installed. Causes prevention and repair as weather changes from season to season it s important to keep up with your maintenance plan to keep your roof in working order.