Roof Blister Repair

Roof blisters by roofing contractor.

Roof blister repair.

In this bulletin we offer some ideas that may be helpful in dealing with blisters. How do you repair blistered areas. Before you begin making your repairs identify all of the blisters across the roof. Causes of blisters all conventional low slope roof systems experience blisters in some form.

This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems. Roof bubbling is just what it sounds like spots where the rubber has lifted off the surface of the roof and formed a bubble or blister. Use the knife. Blistering is a different phenomenon in which bubbles form underneath the roof s membrane.

There are a few ways a contractor will repair a blister. Is your leading provider of residential and commercial roof replacement and repair services. Their arrival is usually a surprise their cause is often unknown and their removal is a lot of work. Membrane roof cut away the membrane that has lost adhesion replace any wet insulation with like material and replace the membrane with overlapping edges at least 6 inches wide.

Blistering sometimes results in cracks but unlike alligatoring the cracks caused by blisters are usually follow the length of the blister rather than forming a pattern. If the blisters are located in a high traffic area. To repair a blister cut away the membrane until you reach an area where the. The rv manufacturer simply didn t apply the adhesive evenly or left some dirt on the roof that the adhesive couldn t stick to.

Don t try to repair the blister yourself as this may result in further damage or may even void your warranty. Blisters can frustrate anyone who works with roofs. You will need to remove the damaged areas with a razor knife and fill them in with polyurethane caulking material. The most common cause of roof bubbling is poor installation of the roof.

The decision to repair unopened blisters has typically been left up to the judgment of the contractor. A roofing contractor should be contacted to add the sealer but you can repair the blisters first.