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  1. #1
    Join Date
    Aug 2011
    Posts
    1

    Default Basement bathroom

    Hi,I have a bathroom in my basement that during extreme weather and very heavy rainfall the drain in my shower and my toilet bowl has water backup causing flooding.Light rain is not a problem. Just got bad back flow during hurricane Irene. What should I do to fix the problem?

  2. #2
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Basement bathroom

    Sounds as though you need a backwater valve such as this
    http://www.backwater-valves.com/
    "" an ounce of perception -- a pound of obscure "
    - Rush

  3. #3
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,509

    Default Re: Basement bathroom

    How often do you have a flood?

    If your place floods once a decade or greater, I'd consider pulling the toilet before the flood, installing a drain plug then replacing the toilet after the flood. The plug costs $8 the wax ring $1

  4. #4
    Join Date
    Aug 2007
    Location
    The Great White North
    Posts
    4,045

    Default Re: Basement bathroom

    Houston ---- What if you're not at home when a rainstorm hits ?

    Around here it's been code for about 20 years to have a backwater valve on the home main waste line. On older homes it's code to install one if a basement bath room is being built.
    "" an ounce of perception -- a pound of obscure "
    - Rush

  5. #5
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,509

    Default Re: Basement bathroom

    Usually there is some warning ahead of time that a storm's a brewin'

  6. #6
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    5,443

    Default Re: Basement bathroom

    I believe that a backflow preventer is required when the lowest drain point out of the house is 2' or less above city sewer line.

    In that case, the homeowner can rest assure that his backflow preventer will stop all that stuff from entering the house. Similar to anti siphone valves used in sprinklers.

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