Bigfoot plumbing leak - Fiberglass RV


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Old 02-22-2015, 12:36 PM   #1
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Name: David
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Bigfoot plumbing leak

Hello, have a 21 foot rear bedroom and wondering about what appears to be slight leak. In bathroom under window at the floor is a ledge cover about 2.5 feet. When done showering slight water appears at bottom of cover. Any ideas? Plumbing schematic? Trying to attach photo, thanks.

David
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Old 02-22-2015, 06:58 PM   #2
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Plumbing schematic might just that - a schematic. Can you somehow trace the actual lines and expose them? Doing as little disassembly as possible? Showering may throw water everywhere. This requires a carefully controlled test.
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Old 02-22-2015, 07:13 PM   #3
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could have a pipe joint leaking while shower is operating, can you cut an access hole?
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Old 02-22-2015, 07:18 PM   #4
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could have a pipe joint leaking while shower is operating, can you cut an access hole?
Cutting is the next step. Hope to get a diagram of the plumbing before i start.
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Old 02-22-2015, 09:13 PM   #5
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Is it possible that the ledge cover is not intended to be watertight but only to protect the plumbing pipes from damage and to prevent the pipes from freezing
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Old 02-22-2015, 09:24 PM   #6
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Is it possible that the ledge cover is not intended to be watertight but only to protect the plumbing pipes from damage and to prevent the pipes from freezing
It's possible but there is dampness where cover meets the floor.
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Old 02-22-2015, 09:45 PM   #7
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It's possible but there is dampness where cover meets the floor.
Maybe water is leaking behind the cover on the top seam and draining out the bottom seam
Usually the top seam is sealed/ caulked and the bottom seam is left open for drainage
This is just an educated guess but if a pipe sprung a leak there would be water seeping out any time the system was under pressure not just after showering.
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Old 02-23-2015, 09:27 AM   #8
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If it is cold...it could be condensation. I have seen this in our Scamp 19, side bath. There is an overhang and the vertical surface collects condensation if it is cold out and heated in. Just a thought.
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Old 02-23-2015, 09:38 AM   #9
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If it is cold...it could be condensation. I have seen this in our Scamp 19, side bath. There is an overhang and the vertical surface collects condensation if it is cold out and heated in. Just a thought.
Interesting, water seepage is not hot. Guess I'll just keep an eye on it before tearing things apart. Wish I had a diagram of what's behind that cover.

David
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Old 02-23-2015, 02:45 PM   #10
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if it's an RB....

first go through the bottom of that wardrobe....probably a removable panel in there...where you'll probably find hot, cold and drain lines running through there from the bathroom......just I wild guess....(using a mirror you might even get a view into the bathroom portion)...
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Old 02-23-2015, 03:14 PM   #11
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If the pump is on and there are no leaks until showering it sounds like something is leaking between the mixing valve and the shower head or something in the drain system. If you take a large bucket turn the shower head on (hot & cold) and discharge the water into the bucket preventing all discharge from going down the drain and you still have water on the floor, it's not the drain. You could also dump a bucket of water in the shower floor with the shower off, and if the floor is still dry it's not the drain.
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Old 05-07-2015, 05:55 AM   #12
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Just opened that panel in our Bigfoot. Ther is the drain pipe from the washbasin and water lines.
Our leak was minor. The oversized facet in sink had a loose aerator so water was coming down through the fixture and leaking out under the floor panel.
Need to find a smaller facet for the sink. The facet that is there takes up half the sink.
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Old 05-07-2015, 06:07 AM   #13
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Good information by all, thanks. I'm in Texas currently without the trailer but returning home soon and will tackle this leak. I see this more as a challenge than as a problem. Thanks again.

David
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