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Old 08-05-2013, 06:11 PM   #1
JIMNINA
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Location: Temple Terrace
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Default Yellow Stone Roof Leak

I have a 2003 Yellow Stone and have a roof leak and like most roof leaks are very puzzling. Currently the RV is parked listing to the drivers side of the coach and about level front to back. I have resealed the seams and the leak is still around. The puzzling thing is that even though the RV is listing to the drivers side the water seems to be coming into the passenger rear and right down the inside of the back wall. If it rains hard enough the water actually comes out of the passenger rear ceiling speaker.
I resealed the ladder as well as the seams.
Any help would be appreciated.
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Old 06-03-2018, 10:56 AM   #2
neondon
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Default

2004 Friendship 41' pusher. Roof leak in heavy rain, dripping from seam in ceiling vinyl, 3" long, over TV opening-wetting carpet after dripping on switch console to right of driver. Pressing and sliding a finger toward that opening produces a drizzle of a tablespoon or two of water from the sponge foam ceiling backer. I suspect and will replace the front A/C seal. Another probable cause is minor cracks in the fiberglass roofing. The low areas of the front corners of the roof have been sealed with silicone, then covered as well with self-leveling caulk from a caulking tube. Two runs around that air conditioner with self-leveling, for about 1/4" was also applied. I need to replace that old seal, and inspect the actual A/C condensate drain path over the roof, making sure I didn't block it. Caulking was done around antenna, vent, and other openings as much as possible. The motorhome was jacked level when first notice occurred, but now sits nose low about 1/4" per foot.
After using a dry paint roller against the ceiling to push water toward that exit point, and finally using a shop vacuum cleaner crevice tool for an hour, no sign of liquid water remains at that point. That paint roller treatment seems to have located the wet ceiling area forward of the front air conditioner, so that new seal, on order, or the suggested careful tightening, may be the solution.
Is that Eternabond material available in wider tape, or a liquid? I sure would like to get it DONE. The drying out process will still take weeks with a blower and dry air. That blower, along with some soapy water spray over the roof, may show bubbles where the leaks are...
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Old 06-10-2018, 12:41 PM   #3
Sudsy
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Default Check the clearance lights.

I am changing my coach over to all LED lighting. I noticed that the clearance lights that had been sealed at the factory looked like the sealant was cracked and dried. So I popped them of, cleaned them up and resealed them and reinstalled. I didn't have trouble at the rear but I did have a leak on the drivers side front clearance light. Now they just leaked around the screws and filled the lenses up to the point that it could reach the bulb and leak into the coach. This was happening in the rain and got worst if you were driving in the rain. I changed the entire fixture on each of the five front clearance lights. They are sealed LED units that shouldn't leak like the others. Hard to explain but thew bases seal to the roof and then the lenses fit with a screw but not so tight as to seal. This will allow any intruding water to evaporate instead of growing green slime.


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