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  1. #1
    Join Date
    Apr 2008

    Default Stacked toilet gaskets

    I had a toilet installed by a plumber. It leaked and damaged the living room ceiling below. At least, I think that is what caused the damage. When I wanted to find why the ceiling was damp, I called a different plumber to check for leaks in the bathroom. He told me the toilet was improperly installed. The first plumber had used the rubber gaskets instead of a wax seal. Not only that, he had stacked two seals in order to compensate for the distance between the flange and the bowl.

    The second plumber says you shouldn't stack these seals. The first plumber says you can. Who is right, and is there a plumbing code or book of best practices I can turn to to press the first plumber to accept responsibility?

  2. #2
    Join Date
    Jun 2009

    Default Re: Stacked toilet gaskets

    You can but if the gap is too great it may have leaks. The sell extra fat gaskets. I prefer the gaskets with the built in pipe neck as opposed to a bare gasket. If the gap is large you should install a spacer, or extension piece under the wc.

    There is a possibility that the pipe is cracked under near the floor and the leak is not the gasket.

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