How To Repair A Bubble In A Flat Roof

Their arrival is usually a surprise their cause is often unknown and their removal is a lot of work.

How to repair a bubble in a flat roof.

Blisters can frustrate anyone who works with roofs. Where the roofing curves to meet a wall or chimney the material may loosen along its topmost edges. 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. The decision to repair unopened blisters has typically been left up to the judgment of the contractor.

Modified bitumen or torch down roofing is a popular alternative to classic tar and gravel built up roofs. Cut around the damaged area until the membrane rests flat. Repairing blisters on a flat roof. Suburban homes sometimes have small flat sections.

Causes of blisters all conventional low slope roof systems experience blisters in some form. This video will fully inform you of how to complete a permanent waterproof leak free flat. Sometimes doing that is difficult. This is a surecoat systems roof coating how to roof installation video.

In this bulletin we offer some ideas that may be helpful in dealing with blisters. Fill all around the bubble extending about 2 inches in each direction. Walk the roof and locate any raised ridges or half bulges in the roofing. There are a few ways a contractor will repair a blister.

This is a surecoat systems coating how to flat roof repair video. Access the roof using an extension ladder. Using a utility knife make a shallow cut until you can remove material around the spot without damaging the layers underneath it. 4 trim an extra piece of asphalt shingle with a utility knife.

Spread roofing cement inside the cut using a small putty knife. Apply plenty of roofing cement to fill the void and smooth the cement so water can run off unimpeded. This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems. If you live in an arid region or an older urban area you may have a large flat roof.

Repair blisters example of a roof blister.