Leaking windows? - Fiberglass RV

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Old 09-16-2007, 03:06 PM   #1
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Lenna F's Avatar
Trailer: 1978 Trillium 13 ft
Posts: 23
We bought a 1978 Trillium 1300 this summer and had a little bit of water a couple of times over the summer. The previous owners put enough Silicone around all of the windows and vent to do about 5 trailers. Last night it rained a lot and there was a lot of water in the trailer. The water is driving me crazy because we can't figure out where it is coming from. We have decided to remove all of the windows and reseal them. Could someone please give us the "Idiots Guide to Windows" on how to remove properly, what to use to reseal, reinstall, etc. Should we replace all of the screws? Any info would be much appreciated.


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Old 09-16-2007, 03:33 PM   #2
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Name: Donna D
Trailer: Escape 5.0 TA, 2014
Posts: 23,914
A little searching and I found a topic from another Trillium owner, which also has links inside the topic to other information:
Condensation or Leak?

Then there's this: Trillium Exterior Window Strip

and lastly (from me): Leak FIX, PLEASE , also from a Trillium owner

There may be other's in the archives... and perhaps someone will jump in and give you some new info as well

Donna D.
Ten Forward - 2014 Escape 5.0 TA
Double Yolk - 1988 16' Scamp Deluxe
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Old 09-16-2007, 07:34 PM   #3
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Name: Kevin
Trailer: 28' Bigfoot Silver Cloud
Oak Park, IL
Posts: 1,016
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This may not be your problem, but our UHaul had water on the floor with every rain until I found the culprit: Our door didn't have a tight seal at the top when closed. The rain would run down over the lip of the wall about the door, then run down the inside of the door onto the floor. We added a stick-on gutter over the door (EZ-Gutter?) and weatherstripping in the door frame and on the door. No more leaks!

We also had a window that leaked because the original outside seal was gone. We used black butyl caulk and it has been fine. You may want to spray your trailer with a hose to find the visible leaks. This is more force than a rainstorm will give you and someone can sit inside as you spray each window for a few minutes. Don't forget to spray the roof vent, too.

Hope you find the problem! A dry trailer is nice!
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Old 09-20-2007, 02:36 PM   #4
Trailer: Surfside TM14 1978
Posts: 49
Water is mischievious. Check and see if you have any screw holes or rivets in the roof line - around the upper cabinet mounting, or even the roof vent. Holes in these spots will let water in and then the insulation lining will channel it to another spot - like a window - making it look like the window is to blame.
Just a thought (based on experience).
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