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Thread: tile underlay

  1. #1

    Default tile underlay

    has anyone heard of or used a peel and stick easy mat with sound guard? home depot sells it and im wondering if it is a good product for under tile in a bathroom?

  2. #2
    Plumber jimbo's Avatar
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    Not familiar with that one. Ask the store to let you look at the installation specs on it. Note who the manufacturer is and check out their website, as well.

  3. #3
    Homeowner geniescience's Avatar
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    Default ok AFAIK

    it's been around for a couple years, and it will do a so-so job that won't suffice in applications where soundproofing is important. For the average home remodel, having some sound deadening is better than not having any.

    It is also good as a heat break to ensure that most of the heat from electric cables goes into the tiles and not by thermal bridging and conduction into the rest of the house and outdoors.

    david

  4. #4

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    what kind of plywood underlay is recomended?

  5. #5
    Retired Defense Industry Engineer jadnashua's Avatar
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    Any tiled floor should be done with ply with all C or better faces (i.e., no D faces), T&G so the edges are supported (on the first layer), and exterior glue. A minimum of 3/4" is usually recommended. If you are going to do stone tile, then you need two layers. The minimum layer thickness you can use is 3/8". The ply must be installed across the joints. If you use a second layer, it must be offset from the first, and screws (preferably) or ring-shank nailed to the bottom layer, avoiding the joists. Since the membrane, cbu you use isn't adding structurally to the floor, the thickness doesn't matter; i.e., you can use the thinner stuff if you wish. Check out www.johnbridge.com for tiling help.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  6. #6
    DIY Junior Member chubyball's Avatar
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    I use wonder board for under lay my new tile bathroom. Mater of fact I am working on my bathroom tomorrow and have wonder board install first before put tile on top.

  7. #7
    kathywhite
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    If you are going to do stone tile, then you need two layers. The minimum layer thickness you can use is 3/8". The ply must be installed across the joints..
    Last edited by Terry; 01-23-2007 at 09:59 AM.

  8. #8

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    Has anyone heard of or used fiberock underlayment?

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