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Old 02-12-2020, 07:48 AM   #1
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Roof Bubbles

Hey all!

We happen to have a nice day with warmer temps, so I decided to venture up on the roof to check on things since parking it for the winter. I noticed these bubbles under the roof material, are they an issue? and if so what do you suggest I do about them?

Thanks!

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Old 02-12-2020, 08:53 AM   #2
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Those are normal. When they rolled the roof on it was, and will remain, an air bubble. Just keep your roof cleaned at least twice a year and inspect all the seams for ANY voids or cracks. Use the proper sealant and fix those asap.
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Old 02-12-2020, 09:10 AM   #3
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Yep....totally normal.

My advice is to NEVER consider cutting these bubbles and trying to flatten them. At least the bubbles are still sealed and no air can get under them.

Air (wind) is you enemy for the roofing membrane (along with water of course). Several years ago we had to have our RV towed to a campground when our TV broke down. The wrecker had the front jacked way up and somewhere along the travels, the cap and very front of the roof caught something and tore the membrane where it goes under the cap (unbeknownst to us). Over time, air got under the membrane causing folds (not even bubbles) and one trip it literally ripped the membrane off to the the front A/C unit. So I had to remove the cap and replace about 25% of the roofing membrane.
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Old 02-12-2020, 09:18 AM   #4
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Just a few notes on that "project":
1) We did have the roof mended where it went under the cap when the tow truck incident happened. Used aluminum stripping and caulking. That worked well but over time, since the membrane wasn't under the cap, the membrane stretched causing more wrinkles and bubbles
2) If you look at the 3rd picture down, with the membrane removed, we discovered the main reason why the front of the membrane ripped off going down I-40. The front A/C united has 4 bolts and over time, they loosened and/or the A/C seal compressed causing the A/C to be loose. Wind got under it and the rest was history. Note to self....check the A/C bolts periodically.
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Old 02-12-2020, 09:39 AM   #5
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When I "restored" my camper, there was a larger version of what you have going on. I decided to fix it here... (see post #245)...


https://www.forestriverforums.com/fo...125403-13.html


Rich
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Old 02-12-2020, 11:13 AM   #6
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Quote:
Originally Posted by GCDoubleD View Post
Hey all!

We happen to have a nice day with warmer temps, so I decided to venture up on the roof to check on things since parking it for the winter. I noticed these bubbles under the roof material, are they an issue? and if so what do you suggest I do about them?

Thanks!

That looks like it might be fiberglass and if so, as said, just leave it alone.
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Old 02-13-2020, 07:31 AM   #7
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Thanks for the advice, everyone!

I'm just going to leave it alone, not walk on it, and keep an eye on it. Oh, and I'm definitely going to add checking the A/C unit once or twice a year to the maintenance routine! When the weather warms up, I need to do a little seam sealing, there's a couple of spots that need it. Unfortunately, I didn't get to it in the fall because of life circumstances.
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