Ceiling vent leak - Fiberglass RV

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Old 04-12-2006, 10:30 AM   #1
Dan Simon's Avatar
Trailer: 75 Boler
Posts: 72
My Boler has a small leak in the ceiling vent. I re-sealed it last summer to no avail. I believe I used silicon which I now realize may be the issue.

To fix, is it simply a matter of scrapping all old silicone and whatever else is up there and sealing around the base? Or, do I need to physically nned to remove the entire unit.



btw: my interior paining of the ensolite is about 50% complete.

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Old 04-12-2006, 02:02 PM   #2
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Name: Con
Trailer: 1977 Boler 1300/2003 17' Bigfoot
British Columbia
Posts: 317
I would consider drilling out the pop rivets and removing the whole unit. Clean all the old sealant off and reinstall using Polybutyl tape 1/8"x3/4". Much as I hate to suggest it, you could use pop rivets again, but make little balls from the left over tape and press firmly into the centerhole of the pop rivet to seal it. My preferred method would to be use the Stainless Steel Truss head bolts as discussed in this thread. If mine was leaking that is how I would fix it. There is a moulding, or one could be added on the inside to hide the nuts or rivets.

Adding any sealant around the flange is not really going to solve your problem, only temporary. Remember these trailers are in the 30 year old range and the stuff they used then has stood pretty good for this long. But its time to fix it. A lot of the products have greatly improved over the years, which is good for us.


Hope this helps.

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Old 04-13-2006, 08:11 AM   #3
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Name: Donna D
Trailer: Escape 5.0 TA, 2014
Posts: 23,914
Or, do I need to physically nned to remove the entire unit.
Con's right...I'd take it off and completely reseal. Otherwise this is going to be an ongoing battle. Better to do it right once...then forget it for a looooong while.
Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
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