Roof Bubbling Up

The rv manufacturer simply didn t apply the adhesive evenly or left some dirt on the roof that the adhesive couldn t stick to.

Roof bubbling up. Roof bubbling is just what it sounds like spots where the rubber has lifted off the surface of the roof and formed a bubble or blister. Vapour from contact bonding adhesive. In some cases a contributing factor can be high pressure in the roof system. The most common cause of bubbles is the application of rubber to the deck or insulation board too soon before the adhesive is dry enough.

Spread roofing cement inside the. Lift up one edge of a slit with a large screwdriver and apply roofing mastic under the ridge or bulge. Cut a line through the center of the bubble with a utility knife. The most common cause of roof bubbling is poor installation of the roof.

How to fix a bubble in a roof shingle 1. If working on a pitched roof wear a roofing safety harness. Climb up to the roof with a ladder. The line should be slightly wider than the diameter.

Whilst bubbles or blisters on a one piece epdm roof can be unsightly they will not cause the rubber membrane to fail. These bubbles of trapped air moisture 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 roofer joseph bublick responds.