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Thread: "Green" retile

  1. #1
    Join Date
    Apr 2011
    Posts
    2

    Default "Green" retile

    Hi Everyone!
    This is an extension of another posted question about tiling over an existing bathroom floor.
    Warnings about doing that are appreciated and will be taken into consideration when we decide which way to go.
    Is there an environmentally friendly to lay the tile? Some type of low or no-VOC way to attach the tile? I've been looking on-line and haven't found much.
    Thanks!
    EB

  2. #2
    Join Date
    Aug 2007
    Posts
    6,480

    Default Re: "Green" retile

    Use thinset over a properly prepared base - no VOC. If you use glue (mastic ) you'll have VOCs.
    I suffer from CDO ... Its like OCD, but in alphabetical order, LIKE IT SHOULD BE!!!

  3. #3
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,358

    Default Re: "Green" retile

    If you want just low VOC, then cement based thinsets are the way to go. If you want a low carbon foot print, you're going to have to choose between a few evils to pick which is the one you can live with most.

    What kind of substrate do you have? What kind of tiles were you planning on? Natural stone such as travertine and marble require 2 layers of plywood and a floor twice as stiff as a ceramic floor. Natural stone takes a floor with a defelction of L720. Your best bet is to head on over to the John Bridge Tile Forum. They have a deflecto-meter which will help you determine if your floor is suitable for tile.

  4. #4
    Join Date
    Apr 2011
    Posts
    2

    Default Re: "Green" retile

    Dear Houston Remodeler.
    Thank you for replying. I don't know what is under the layer of ceramic tile presently on the floor. We would be layering ceramic tile ontop of it.
    The contractors who have looked at the floor both said the floor is sound. Does that provide anymore useful information.
    ELB

  5. #5
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,358

    Default Re: "Green" retile

    Sorry no, that isn't enough information. If it is wood structure, then you'll need to figure out the deflection and if the plywood is thick / strong enough to support tile.

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