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    sjidaho's Avatar
    sjidaho Posts: 7, Reputation: 0
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    #1

    Feb 28, 2010, 02:08 PM
    Can a floor leveler be used over black adhesive glue
    I will be tiling the kitchen floor over electric radiant heat, There is a black adhesive under the vinyl tiles that I am taking up. Can I use a floor leveler over the radiant heat mats and pour it directly over the black adhesive and then tile?
    mtconc's Avatar
    mtconc Posts: 119, Reputation: 9
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    #2

    Feb 28, 2010, 04:49 PM

    What kind of tile vct,wood?
    JazMan's Avatar
    JazMan Posts: 219, Reputation: 14
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    #3

    Feb 28, 2010, 10:31 PM
    Hi Idaho,

    Yes you can. BTW, that black tar glue is known as cutback. LATICRETE® 816 LatiPatch™ mixed with LATICRETE® Admix and Primer. Read how here. http://www.laticrete.com/contractors/products/self_leveling_patching_mortars/productid/5.aspx

    Jaz
    sjidaho's Avatar
    sjidaho Posts: 7, Reputation: 0
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    #4

    Mar 1, 2010, 01:13 PM
    Quote Originally Posted by mtconc View Post
    what kind of tile vct,wood?
    I will be using 18" porcelain tiles over 3/4" plywood sub floor.
    JazMan's Avatar
    JazMan Posts: 219, Reputation: 14
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    #5

    Mar 1, 2010, 02:10 PM
    Are you saying the old vinyl tiles were installed direct over the subfloor? If so, that is wrong. Check if there is a 1/4" underlayment over the subfloor. In any case you will not be installing ceramic tiles over just a single layer plywood subfloor.

    Let us know what you find and tell us what specific materials you're planning to use. Start with that for now.

    Jaz
    sjidaho's Avatar
    sjidaho Posts: 7, Reputation: 0
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    #6

    Mar 4, 2010, 03:40 PM

    The vinyl tiles were glued with black adhesive directly over 3/4" plywood
    No other underlayment over sub floor. Vinyl floor is 30 years old. It is next to impossible to remove the black cutback adhesive so I want to use a floor leveler and embed my electric radiant heating mats within it. Then Tile with versabond and my tiles.
    sjidaho
    JazMan's Avatar
    JazMan Posts: 219, Reputation: 14
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    #7

    Mar 5, 2010, 10:20 AM
    No, it's not going to work. You need either a membrane such as Ditra or a concrete backer board.

    Jaz
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