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Old 10-31-2017, 10:52 PM   #1
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Default Should I put silicone around toilet?

The toilet in my house has caulk around the base. In the RV, I was wondering if there should be silicone where the toilet sits on the base and around where the bolt holds it down. Seems like shower water could seep in there and cause problems underneath. But, then again, it might make the toilet hard to take apart should that ever be necessary.
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Old 10-31-2017, 11:09 PM   #2
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I have always questioned caulking the base of a home toilet; if the wax seal should breakdown and leak, the water is trapped and a major floor rot. In the RVs, I could see caulking, water goes right to the tank. In both cases, I would use a oscillating tool. Ron
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Old 10-31-2017, 11:16 PM   #3
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Home toilets are often on less than flat floors, so are shimmed level which creates and uneven gap so caulking makes it look better. Also keeps it from filling up with dirt. The proper way, IMO, to caulk a home toilet is to caulk only the front and sides, leaving the back open so if there is a seal failure you will smell it or see water right away.

An RV toilet would normally bolt tight to the floor, as nothing in an RV is level anyway , so caulking really isn't something I would do unless it was in an area that water from the shower or some other area could get under it and rot out or rust something.
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Old 11-01-2017, 08:07 PM   #4
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If it is a wet bath/toilet, toilet manufacturer usually recommends caulking around the toilet base. Water can seep in between the toilet flange and floor and can cause problems down the road.
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Old 11-02-2017, 08:38 PM   #5
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I don't see any reason why to caulk around a RV toilet. It already has a good enough seal, and just makes it annoying to scrape the caulk up if the toilet needs replaced or upgraded.
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Old 11-02-2017, 10:40 PM   #6
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Your RV toilet installation maybe different than mine, the closet flange is not sealed into the floor and that is water might seep in. The toilet ring gasket only seals the drain into the toilet bowl discharge outlet. If you prefer not to seal the toilet base, you can apply sealant between the flange and floor and that's how I did mine.
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Old 11-03-2017, 03:04 AM   #7
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The toilet in your RV is essentially a dry system and not a water trap system other than a little water in the bowl to seal the flush gasket. There is no wax seal to deteriorate. Also it sits on a fiberglas tank and not a wood floor. It may have a hidden gasket anyway in that joint. I would not worry about it.
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Old 11-03-2017, 03:12 AM   #8
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Ours sits on a raised floor made of wood and covered with vinyl flooring.
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Old 11-03-2017, 09:05 PM   #9
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Quote:
Originally Posted by booster View Post
Ours sits on a raised floor made of wood and covered with vinyl flooring.
That your home or your Roadtrek? Or both??
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Old 11-03-2017, 09:08 PM   #10
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Quote:
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That your home or your Roadtrek? Or both??
Sorta both, except ceramic at home
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