Thread: Chasin Leaks
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Old 11-13-2009, 09:20 AM   #2
Motor31
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Join Date: May 2005
Posts: 2,130
The leak could have traveled a fair distance before settling in. Check the wiper seals on the exterior of the slide. If they were installed improperly or have degraded they will allow rain past and into the unit. Look for gaps or any place where the edge is not flat against the slide. Also look closely at any and ALL caulking seams for any crack or minute gap. Even a small one can leak a lot if it's in an area of ponding water on the roof or slide top. Pull gently on the seam where the caulk touches the roof material and see if there is a gap or spot where there is no seal that you can't see by just looking from above.

Check every seam where there is a hole in the roof as well. The fans, pipes and other things that stick through the roof can have a gap or leak. Look at the aluminum or plastic housings of those items for any seam or crack and seal them again. Do not use a silicone caulk like a household window caulk as it may not stick to the roof material.

Look at every window in the area as well. Does the rubber seal all the way around the window? Is there a gap in the dust seal where the panes of glass meet? Pull up the flat gasket on vertical sliding windows between the lower and upper panes of glass and make sure there is no build up of dirt under it. Caulk the windows rubber seals where they meet the side of the unit.

Leaks can be a pain to track down but they are serious as that will lead to mold and degradation of materials inside the walls or living areas.
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Volvo 660 MH tow vehicle
2005 MS 38RL
2007 Saturn Ion "toad"
2010 Gold Wing "piggyback"
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