Cut slits along the high point of the ridges and bulges from end to end with a utility knife.
Roof bubbling up.
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.
If working on a pitched roof wear a roofing safety harness.
Usually bubbles are not associated with leaks.
Lift up one edge of a slit with a large screwdriver and apply roofing mastic under the ridge or bulge.
The rv manufacturer simply didn t apply the adhesive evenly or left some dirt on the roof that the adhesive couldn t stick to.
A roofer joseph bublick responds.
Climb up to the roof with a ladder.
Whilst bubbles or blisters on a one piece epdm roof can be unsightly they will not cause the rubber membrane to fail.
In most cases bubbles in epdm roofing are just a cosmetic problem as long as they aren t growing.
Vapour from contact bonding adhesive.
Cut a line through the center of the bubble with a utility knife.
How to fix a bubble in a roof shingle 1.
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.
The line should be slightly wider than the diameter.
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.