How To Fix Flat Roof Blister
Their arrival is usually a surprise their cause is often unknown and their removal is a lot of work.
How to fix flat roof blister. Blisters can develop from voids which are essentially bubbles caused by uneven bitumen application trapped debris or gases from trapped moisture. This article provides some guidance on whether or not to repair blistered areas on different types of conventional low slope membrane systems. Most flat roofs are. Repair blisters example of a roof blister.
This flat roofing type is ideal for roofs with high amounts of foot traffic or if the roof is often hit by airborne debris. In this post wood s roofing discusses the six ways you can prevent or fix flat roof blisters. To repair a blister cut away the membrane until you reach an area where the membrane still adheres to the roof tightly. Apart from moisture they also happen because of poor installation and ventilation.
A roofing contractor should be contacted to add the sealer but you can repair the blisters first. Unless they burst on their own like a balloon blisters can grow larger if left untreated. 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. How to repair a flat roof.
Causes of blisters all conventional low slope roof systems experience blisters in some form. The blister is near enough to the seam that it may cause the seam to open up. The blister is in an area that receives foot traffic. Flat roofs which are mostly level are common on older homes and in arid environments.
This means that blisters need to be repaired and the entire surface of the roof will need to be sealed. 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. Blisters occur on any type of flat roof system whether it is a membrane roof or a built up one. A roof blister is a raised area where there is a loss of adhesion of the roof.
How do you repair blistered areas. Blisters can frustrate anyone who works with roofs. Before you begin making your repairs identify all of the blisters across the roof. This area can fill up with air or water to form a blister which looks like a bubble on your roof.
These roofs work well but you do need to inspect them on occasion for cracks and other signs of damage.