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Discuss Tiling a floating floor in the Tiling Forum area at

  1. mickey blu

    mickey blu Active Member

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    1. [​IMG]
      mickey bluActive Member
      Hi everyone need some advise please !
      I have been asked to tile a floating floor ,solid concrete floor then polystyrene sheets with ply face .
      The customer wants underfloor heating fitted as well .
      Tiles will be a porcelain 600x600.
      1.Hardi backer floor
      2. lay underfloor heating
      3.latex floor
      4.Would you use ditra matting as well ?
      Any suggestions welcome thanks in advance .
  2. Localtiler

    Localtiler Professional Tiler Top Contributor

    Myself, and others on here wouldn’t tile a floating floor. I have in the past without problem but it’s simply not worth the risk, for me. Only you can assess how much deflection there is in the floor, some are more so than others. Hardie make a really thick structural
    Board, maybe look towards that
    • Like Like x 1
    Last edited: Nov 20, 2017
  3. Rookery

    Rookery Professional Tiler

    Not a chance, too risky.
    • Like Like x 1
    • Agree Agree x 1
  4. impish

    impish Trusted Advisor Professional Tiler

    The same old problem - not lateral movement, Ditra will cope with that in extremes.
    Your problem is down the line when the polystyrene under the floor compresses and you get vertical movement.
    I wouldn't tackle it. It's one for the Karndean / Amtico boys.
    • Like Like x 1
  5. hmtiling

    hmtiling Trusted Advisor Professional Tiler JOTM Winner

    Isle of Wight
    I've done one with blanke permat and loads of fibre slc. The client was aware of risks and 2 years later it's still fine.
    Wouldn't do it in my house though
    • Like Like x 1
  6. mickey blu

    mickey blu Active Member

    Thank you for your input fellas much appreciated
    • Like Like x 1
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