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    GolfQueen's Avatar
    GolfQueen Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Nov 10, 2009, 04:13 PM
    Can I use wooden support under an acrylic tub vs cement
    We are currently renovating the bathroom and have purchased a deeper acrylic tub with an apron. In the instruction is suggest a cement base covered by a plastic film. Could we not build a wooden frame based with plywood top and a water resistant membrane to support the tub. We could have the tub upside down and make it fit to the bottom of the tub before placing in? Thanks:)
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #2

    Nov 10, 2009, 05:52 PM
    Sounds like a plan to me! Good luck, Tom
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #3

    Nov 10, 2009, 06:03 PM

    From my experience it is not a good idea to put tub on plywood. If you use mortar it will contour itself around the shape of the tub. Also, it will suck the tub to it as it is drying. Tub will be sitting in the mortar like in a custom made glove. If you put it directly on plywood, it will not sit solid and can buckle as well as shift.
    speedball1's Avatar
    speedball1 Posts: 29,301, Reputation: 1939
    Eternal Plumber
    		  
    #4

    Nov 10, 2009, 06:06 PM
    Use 2 X 4s under the ply wood to brace it up but Milo's correct, mortar's better.
    Good luck, Tom
    massplumber2008's Avatar
    massplumber2008 Posts: 12,832, Reputation: 1212
    Senior Plumbing Expert
    		  
    #5

    Nov 10, 2009, 06:11 PM
    Hi all... mortar isn't only better, its easier than doing the plywood and 2"x4"s... ;)

    Takes a bit to mix, but in the end, as Milo suggested, makes a fit that is like a "custom made glove" (Milo) and also acts as an INSULATOR that reduces the heat lost from the water. This will result in a longer, more comfortable bath experience.

    Good luck...

    MARK

    .
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