How To Fix Flat Roof Blister

Causes of blisters all conventional low slope roof systems experience blisters in some form.

How to fix flat roof blister.

Most flat roofs are. Blisters can frustrate anyone who works with roofs. Before you begin making your repairs identify all of the blisters across the roof. This flat roofing type is ideal for roofs with high amounts of foot traffic or if the roof is often hit by airborne debris.

How to repair a flat roof. A roofing contractor should be contacted to add the sealer but you can repair the blisters first. To repair a blister cut away the membrane until you reach an area where the membrane still adheres to the roof tightly. Blisters can develop from voids which are essentially bubbles caused by uneven bitumen application trapped debris or gases from trapped moisture.

How do you repair blistered areas. Blisters occur on any type of flat roof system whether it is a membrane roof or a built up one. The blister is near enough to the seam that it may cause the seam to open up. Repair blisters example of a roof blister.

Unless they burst on their own like a balloon blisters can grow larger if left untreated. This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems. Keep the flat roof dry one of the ways you can prevent flat roof blisters is by using dry materials in dry settings however your contractor may have to wait for the right weather. This area can fill up with air or water to form a blister which looks like a bubble on your roof.

Ways to prevent and fix roof blisters. Flat roofs which are mostly level are common on older homes and in arid environments. These roofs work well but you do need to inspect them on occasion for cracks and other signs of damage. Their arrival is usually a surprise their cause is often unknown and their removal is a lot of work.

The decision to repair unopened blisters has typically been left up to the judgment of the contractor. Apart from moisture they also happen because of poor installation and ventilation. This means that blisters need to be repaired and the entire surface of the roof will need to be sealed. 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.

In this post wood s roofing discusses the six ways you can prevent or fix flat roof blisters.