This topic contains 1 reply, has 0 voices, and was last updated by  the warm floor center 20 years, 5 months ago.

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  • #10548

    Gina Wanick

    I have alot of used 12×12 floor tiles with the concrete
    left on the back. Do I have to remove the old concrete,
    or can I leave it on. It would take forever to chip it
    off.

  • #76381

    the warm floor center

    yes you should. the tile will be harder to install
    and will not set level.
    rjb

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