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Old 09-03-2011, 12:27 PM   #1
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Question My water tank leaks.

I managed to locate where it is, and I'm thinking that I can repair it with fiberglass risen. First I have to take the tank out from underneath the bed. The leak is located at the bottom, so that's why I have to take it out. It looks like it's made from a hard plastic. Would fiberglass resin work on a plastic?
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Old 09-03-2011, 12:36 PM   #2
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Made from ABS most likely... ABS epoxy or plastic welder
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Old 09-03-2011, 12:40 PM   #3
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I have read that leaks can even be taken care of with eternabond tape. You can probably by a piece from an rv shop to fit the area that you have to fix. I have seen rv shops that do cut it so you don't have to buy a full roll.
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Old 09-03-2011, 10:23 PM   #4
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You can buy a small Eternabond patch kit at Walmart. I believe it is less than $10.
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Old 09-03-2011, 10:53 PM   #5
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The resin probably will not stick.

This will stick

MARINE GOOP, 3.7 ounce Tube

Cut a piece off a plastic bottle such as a bleach bottle and use it as a patch. This stuff seems to stick to anything.

I get mine at OSH but I bet you can find it at the leading hardware stores. The normal Plumbers Goop would probably work but this stuff is really sticky and remains pliable.
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Old 09-03-2011, 11:37 PM   #6
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Welding the tank is the best repair method and it is most likely ABS. If not ABS then welding may be even more important. Other methods may get you by and you may luck out and have it last awhile. On the other hand they may not last and then you'll be back where you started. Hoping it goes well for you.
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Old 09-04-2011, 07:08 AM   #7
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I would call Winnebago to verify, but as I recall they use polyethylene for those roto-molded tanks. If so then like like Bob says, a plastic welder will probably be needed. You can get get one at Harbor Freight.
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Old 09-04-2011, 09:03 PM   #8
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Originally Posted by Clay L View Post
I would call Winnebago to verify, but as I recall they use polyethylene for those roto-molded tanks.
If I recall Winnebago at one time (and may still) made their own roto molded tanks. Call their Customer Service
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leaks, tank, water

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