Expanding trapped air within the roof structure this type of bubbling lifting can occurr on warm deck roof designs where the epdm membrane is fully bonded onto either a timber deck or directly onto the insulation.
Tpo roofing lifting bubbling up.
Tpo stands for thermoplastic polyolefin a single ply roofing membrane that covers the surface of the roof.
This problem has been specifically documented in the southern states that get a lot of heat and sun throughout the year.
In general tpo is a relatively low cost high performing roof membrane when installed the right way.
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 rv manufacturer simply didn t apply the adhesive evenly or left some dirt on the roof that the adhesive couldn t stick to.
Does not stand up well to heat load.
The most common cause of roof bubbling is poor installation of the roof.
Starting with the roof membrane we will work down through the system and.
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.
This area can fill up with air or water to form a blister which looks like a bubble on your roof.
According to the 2014 2015 national roofing contractors association nrca market study most new projects in the past few years have specified a white tpo roof.