kohler tub and shower module question

Discussion in 'Shower & Bathtub Forum & Blog' started by jymbob, Apr 5, 2006.

  1. jymbob

    jymbob New Member

    Apr 5, 2006
    I am installing a Kohler Terracina tub and shower module. The unit has a lip on the bottom front edge which hangs below the bottom of the tub area by approximately 1.5". The install instructions make no mention of supporting the unit from underneath. Is this lip supposed to support all the weight of the tub, along with the nailed flanges, while the base hangs in mid-air?
  2. jimbo

    jimbo Plumber

    Aug 31, 2004
    San Diego, CA
    Check the installation instructions carefully. IF this is an acrylic or fibreglas unit, it is likely you should support it in a bed of gypcrete or structolite.
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  4. jymbob

    jymbob New Member

    Apr 5, 2006
    thanks for your help. Are gypcrete or structolite liquids.
  5. jadnashua

    jadnashua Retired Defense Industry Engineer xxx

    Sep 2, 2004
    Retired Systems engineer for defense industry.
    New England
    They are more of a slurry. You can also use drypack mortar - a mix of 5:1 sand and portland cement (mostly sand).
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