Rubber Roof Blistering

Fixing bubbles and blisters in an epdm roof.

Rubber roof blistering.

A roof blister is a raised area where there is a loss of adhesion of the roof. It is a non asphalt high quality chemically engineered roof coating that contains long fibers pigments and non drying resins. As the sun heats the roof those pockets expand and stretch the membrane. The bubbles are trapped air or moisture.

All conventional low slope roof systems experience blisters in some form. Heng s fibered roof coating is not suitable for rubber roofs or homes with asphalt roofing. These can be caused by a variety of issues which are all avoidable if the roof design is correct and the membrane is correctly installed. To permanently repair blisters it s necessary to cut away the blistered area down to the insulation.

Thick white colored coating with an amazing ability to conform to and protect against all weather conditions. Vapour from bonding adhesive. 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. Roof blisters can be caused by any number of problems.

Stop the problem at the source. Membrane systems are most susceptible to blistering because blisters are formed by voids between the plies or at the point between the substrate and the membrane. This trapped moisture can either leak into the building or collect inside the roof which can lead to extensive damage. In severe cases the membrane will actually crack when the pressure becomes too great.

This area can fill up with air or water to form a blister which looks like a bubble on your roof. Items you will need putty knife rv sealant drill bit to match existing screws. Workers should always inspect the surrounding areas for tears punctures or any other anomalies that could let in water. Blistering blisters form when there are pockets of air or moisture trapped between layers of your roof s membrane or between the membrane and the roof deck.

One problem you might come across is bubbles or blistering in your epdm roof.