This area can fill up with air or water to form a blister which looks like a bubble on your roof.
I have a bubble on my rv roof material.
The rv manufacturer simply didn t apply the adhesive evenly or left some dirt on the roof that the adhesive couldn t stick to.
The most common cause of roof bubbling is poor installation of the roof.
This is certainly not just a gdrv item as for decades in our travels we have seen rv after rv traveling down the highway with particularly the front area blown up like a big bubble.
Does it eventually deflate when stopped.
The pressure in the camper will be greater and may be causing your rubber roof to inflate from the inside out due to the pressure differential.
Rubber tpo probably the most common material for an rv roof and actually comes in two different types.
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.
Bubbles can also be caused by water getting under the membrane which shouldn t happen with a good installation but may happen if any of the seams develop holes.
A roof blister is a raised area where there is a loss of adhesion of the roof.
As the air flows across the top of your camper it creates a low pressure area just above the roof.
Each type of rv rubber roof requires slightly different maintenance so be sure to consult your owner s manual for the proper way to care for your roof.
An epdm rv roof ethylene propylene diene monomer or a tpo rv roof thermal poly olefin.
Whilst bubbles or blisters on a one piece epdm roof can be unsightly they will not cause the rubber membrane to fail.
Should i cut the bubble in the middle and then tape and seal it.
Tom bubbles in epdm rubber membrane are typically caused by improper preparation during installation water intrusion or the use of incorrect adhesives.
I have a few bubbles on my roof on my rv.
Vapour from contact bonding adhesive.
With only one bubble on your roofing material i would suspect that spot was contaminated somehow or not prepped thoroughly enough prior to the installation of the membrane.
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.
I two or three small pin holes where mosture could get in and make the bubbles.
