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Old 05-03-2014, 09:19 PM   #15
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1976 27' Overlander
Tampa , Florida
Join Date: Oct 2012
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I spoke to soon and mustve jinxed myself.... HUGE rains finally made it to Florida yesterday and today. Found 3 more leaks... GEEESH! driving me crazy!

All of them appear to be vertical seams, which I have found to be a huge deal on mine. 2 of them are left and right of my rear window. The vertical seam between the window and the trim piece. I think the water is sitting on the trim piece, and finding its way into the vertical seam, then running down inside to the c-channel.

The 3rd leak is on the front window. The street side upper corner of the front window has one of the end cap seams meeting the corner of the window. I think the water is wicking into the seam, and running behind the window....

Unbelievable... I cannot believe how much these things leak. Its driving me crazy. I feel like drilling out all the rivets on the vertical seams, and packing them full of vulkem and re-riveting them back. Anything else seems like a patch. What to do??
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Old 05-07-2014, 07:11 PM   #16
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1982 34' Limited
Harrowsmith , Ontario
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I was finally able to get the hose out and see what is really happening. As suspected, it is the window that is leaking. The top corners are letting water in and it fills the sill. Doing some more reading right now about what others have done to solve this.
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Old 05-07-2014, 08:06 PM   #17
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1981 31' Excella II
New Market , Alabama
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Do you have an awning on the back window? Awning rails and attach points can leak. The idea of putting a drain in, is not a bad one. I would not use a plastic toilet fill line but a flared stainless steel tube. This will fit flush with the window frame at the bottom. I put these types of drains in my C-channel up front when I had the skins off to find leaks and fix the the dead bolt lock.

Perry
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Old 05-07-2014, 08:12 PM   #18
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1982 34' Limited
Harrowsmith , Ontario
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It's actually the front panoramic window. I don't have the rock guard either I wonder if that would have helped the situation.

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Originally Posted by perryg114 View Post
Do you have an awning on the back window? Awning rails and attach points can leak. The idea of putting a drain in, is not a bad one. I would not use a plastic toilet fill line but a flared stainless steel tube. This will fit flush with the window frame at the bottom. I put these types of drains in my C-channel up front when I had the skins off to find leaks and fix the the dead bolt lock.

Perry
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Old 05-07-2014, 09:20 PM   #19
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1981 31' Excella II
New Market , Alabama
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Remove the window and seal all places where there is a seam. Also gaskets can leak. An awning over the front window might help. The acts like a little gutter. I don't know if a window guard would help or not. I do know they can be a cause of leaks.

Perry
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Old 05-07-2014, 10:07 PM   #20
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2008 25' Safari FB SE
Grand Junction , Colorado
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A rock guard over the window helps keep out water when moving—less water at many miles per hour hitting the places where water wants to get in. But as has been said, the hinge for the rock guard can leak too; same for awning parts. It also protects the window from rocks. I think a rock guard is essential to protect expensive windows, especially panos.

I have used silver Acryl-r on most of these areas and finally got it sealed. Of course, who knows what drips down the inside of the exterior skin—that's why you have to check the subfloor from time to time. Sealing is tedious work. You have to go back after the sealant dries and check for pinholes in the sealant. It can stretch thin along the bead, shrink a little when it dries, and then you have a leak. Make sure everything is clean so no specks allow water to pass through. It is messy (don't wear formal evening clothes when sealing). It gets over everything and is hard to keep from spreading well past the seam. I'd rather be messy and have a well sealed trailer than have a narrow bead that leaks.

Eventually so much sealant builds up you have to remove it and start over. You either do that, or sell the trailer and start over on another one. It also helps to move to the desert. But it was a victory of monumental proportions when we traveled to the northwest seeing hard rain and light rain and all sorts of rain for weeks and nothing leaked. Only RV owners can appreciate the pleasure of that (one of my core fears is that in the middle of the night I wake up wet because the fan over the bed is leaking badly. That is probably slightly better than other reasons the bed is wet).

Gene
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Old 05-08-2014, 07:12 AM   #21
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1982 34' Limited
Harrowsmith , Ontario
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Thanks everyone. I think I will start with the window gasket as I'm willing to bet it's 30 odd years old.

This thread was suggested in an earlier post: http://www.airforums.com/forums/f456...ls-107690.html

I notice there that on his front windows the gasket is attached to the window opening (frame) rather than the operable window itself. My gasket attached to the operable window so I'm guessing either mine is wrong, or Airstream changed their design for a reason (maybe it leaked )
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