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    jblackz69's Avatar
    jblackz69 Posts: 1, Reputation: 1
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    #1

    May 4, 2010, 08:22 PM
    Remove black tile adhesive before ceramic tile
    I'm planning on installing new ceramic tile on the slab floor in my dining room. After removing a couple of layers of carpet and disintegrated padding, the only thing left is a thin coating of black tile adhesive from a previous tile job. (I'm taking into account the possibility of the presence of asbestos.) This stuff appears to be petroleum based.
    Do I have to scrape this adhesive up before mortaring in my new tile? If so, what should I be using to ensure the concrete is clean enough to get the new tile to adhere?
    creahands's Avatar
    creahands Posts: 2,854, Reputation: 195
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    #2

    May 5, 2010, 12:35 AM

    The black adhesive is probably an emulsion adhesive which is petroleum based.

    Would not try to remove, very sloppy and it is a penetrating adhesive.

    Scrape off loose adhesive and u should be good to go. Use thin set to set ceramic tile.

    Good luck

    Chuck
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