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  1. #1
    Join Date
    Apr 2014
    Posts
    2

    Question Tile Backer Board

    I'm going to tile two bathrooms and its time to install the backer board to the floor. I know cement board is recommended however I have access to some free USG Securock Glass-matt roof board. The manufacture does not recommend it as a tile backer board but I'm wondering if it would work anyway?

    The internet is not offering much advice as to why it would not be recommended so I figured I'd get some opinions here. Thanks!

  2. #2
    Join Date
    Dec 2013
    Location
    Iowa
    Posts
    222

    Default Re: Tile Backer Board

    Try The John Bridge Tile forum - which is recommended here a lot to people doing tile projects

  3. #3
    Join Date
    Aug 2007
    Location
    Maryland
    Posts
    1,699

    Default Re: Tile Backer Board

    It probably would work, but considering the effort, time and money to renovate and install the tile, are you willing to save a few bucks only to find out in a year or two that it doesn't.

    The backer board will only be a small percentage of the total project.

    It's always tough to not use free stuff, but don't let a free tail wag the dog.

  4. #4
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    6,736

    Default Re: Tile Backer Board

    Use the free boards for what they were intended, not for sub flooring.

  5. #5
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,969

    Default Re: Tile Backer Board

    What they said.

    Ceement board is installed with a layer of thinset below then secured with the proper fasteners (not drywall screws) as prescribed the the manufacturer of the particular board you purchase. 1/2" ceement board does nothing more for the floor than 1/4" than make the tile higher in the air.

  6. #6
    Join Date
    Apr 2014
    Posts
    2

    Default Re: Tile Backer Board

    Thanks for the advice all! I might as well get the right stuff since I'm only going to do this once. It would be nice to use the free stuff but who knows how it will hold up in the long run. Now I just need to get rid of the five sheets of the glass mat board.

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