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Old 03-10-2016, 08:09 AM   #1
Skymark's Avatar

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Location: Charleston, WV
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Fridge Bent Seal

I notice the refrigerator vent was cracked and failing so I replaced it and resealed it with Dicor self leveling sealant. Problem is the rubber roof material outside the vent perimeter bubbled up and has air trapped under it. Has this happened to anyone and did it eventually settle down.Click image for larger version

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2000 Damon Challenger 335 Ford Workhorse
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Old 03-11-2016, 09:05 AM   #2
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I scraped of the old sealant around the vents, skylight, and refrigerator vent last year, use the same Dicor product didn't have any swelling or bubbling.

Chuck & Teri, 1999 35 ft. Dolphin 5350, F53 Chassis with tag axle, Chassis build date 1/99 in Mexico, Banks System, Trans Command, Air Lift Air Bags on rear, Koni Shocks, Blue OX TruCenter, TigerTrak track bars front and rear, Roadmaster 1-3/4" rear auxiliary sway bar, 2013 VW Passat TDI SEL Premium, 1994 36 ft. Avion 5th Wheel. FMCA #F430129
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Old 03-11-2016, 09:18 AM   #3
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I believe that the roof material was stretched when the old vent base was removed. If you had noticed before the new vent was installed you may have been able to work the material down into the vent hole in the roof wood and secure it before you installed the new base.
Slight bubbles can be dealt with by, injecting a glue with a needle through the rubber and releasing the air and pressing the material down on to the glue.
Personally , by the size of the bubbles, I think your stuck with them, but as long as the material doesn't leak and you can avoid cutting the bubbles when you clean the roof , I'd leave it alone.
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Old 03-11-2016, 10:34 AM   #4
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I would suggest Eternabond Tape. When applied correctly, you can forget about it for at least a dozen years. Using the "search" window at the top of the page will reveal lots of testimony to how well it works.
George R. - Fulltiming since January '03
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Old 03-15-2016, 08:30 PM   #5
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Well I bit the bullet and removed the vent and re-glued the roofing rubber to the coach. I'll go back and reinstall the vent and reseal it. I love doing projects twice don't you? Makes the third time easier cause you're good at it by then. lol.
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air under roof material

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