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.
Rubber roof has bubbles.
In the most severe cases the membrane may need to be peeled back and re bonded.
The rv manufacturer simply didn t apply the adhesive evenly or left some dirt on the roof that the adhesive couldn t stick to.
When the rubber membrane is bonded too quickly and prior to the adhesive drying bubbles will appear under the membrane caused by the trapped vapour from the adhesive.
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.
This can occur for two main reasons.
In time the bubbles will decrease as the membrane is partly breathable.
The most common cause of roof bubbling is poor installation of the roof.
A roof blister is a raised area where there is a loss of adhesion of the roof.
Vapour from bonding adhesive bonding adhesives are used to attach epdm membranes to upstands and around the roof perimeter.
Whilst bubbles or blisters on a one piece epdm roof can be unsightly they will not cause the rubber membrane to fail.
Bubbles in the rubber roof.
If this is the problem the solution is to install pressure relief vents.
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.
One problem you might come across is bubbles or blistering in your epdm roof.
Usually bubbles are not associated with leaks.
This area can fill up with air or water to form a blister which looks like a bubble on your roof.
Definitely keep and eye on it and if it begins to get larger i would take it to the dealer.