Rubber Roof Blistering

Blisters can trap moisture and draw in more even when it doesn t rain.

Rubber roof blistering.

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. Fixing bubbles and blisters in an epdm roof. This area can fill up with air or water to form a blister which looks like a bubble on your roof. This can occur for two main reasons.

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. A roof blister is a raised area where there is a loss of adhesion of the roof. The bubbles are trapped air or moisture. Stop the problem at the source.

All conventional low slope roof systems experience blisters in some form. Bonding adhesives are used to attach epdm membranes to upstands and around the roof perimeter. One problem you might come across is bubbles or blistering in your epdm roof. Items you will need putty knife rv sealant drill bit to match existing screws.

It is a non asphalt high quality chemically engineered roof coating that contains long fibers pigments and non drying resins. Vapour from bonding adhesive. Thick white colored coating with an amazing ability to conform to and protect against all weather conditions. In severe cases the membrane will actually crack when the pressure becomes too great.

Roof blisters can be caused by any number of problems. Heng s fibered roof coating is not suitable for rubber roofs or homes with asphalt roofing. To permanently repair blisters it s necessary to cut away the blistered area down to the insulation. As the sun heats the roof those pockets expand and stretch the membrane.

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.