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Thread: kohler shower drain installation

  1. #1
    DIY Junior Member dkkll's Avatar
    Join Date
    Dec 2008
    New York

    Default kohler shower drain installation

    installing a k-9135/k-9136 drain in my new shower
    the rough in guide does not state the size of the whole to be cut in the subfloor
    i am not sure if the flange is supposed to sit on the bottom of the 4 screw bases or on the rim around the flange

  2. #2
    Test, Don't Guess! cacher_chick's Avatar
    Join Date
    Jan 2008
    Land of Cheese


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    Kohler Drain
    Last edited by Terry; 05-07-2011 at 10:20 AM.

  3. #3
    Moderator & Master Plumber hj's Avatar
    Join Date
    Aug 2004
    Cave Creek, Arizona


    The top of the "flange" is even with, or slightly below, the subfloor/mortar preslope. Then the safety membrane is laid onto the sloped mortar base and clamps between the two pieces, usually with a bead of silicone to make a better seal.

  4. #4
    Consultant cwhyu2's Avatar
    Join Date
    Aug 2007
    Cincinnati OH


    And it is always good to bevel the sub floor to fit the shower drain.Not just a hole cut in the sub floor.

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