In preparation for winter I cleaned and caulked the seems on my 2020 Coachmen Catalina Legacy. Everything looked good when I was done, but a week later when winterizing the water system I crawled onto the roof and this is what I found. Any ideas why this may have happened? As you can see, at the edge of the caulk line the rook membrane seems to be bubbling up. Never seen this before
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Roof Membrane Bubbling
- Thread starter PartTimer
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