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Ditra matting setting

Discussion in 'Tiling Forum' started by Bopster, Jan 8, 2019.

Discuss Ditra matting setting in the Tiling Forum area at TilersForums.co.uk.

  1. Bopster

    Bopster Active Member

    Location:
    Colchester
    hi guys, kitchen I’m installing next week is now having an overlay ufh system installed by others but tiled by me. Simple question really, I’m going to use ditra matting onto the overlay boards then porcelain tiles. Do I set the matting in flex adhesive then leave to set before laying tiles or can I tile straight onto matting soon as it’s laid?
     
  2. Localtiler

    Localtiler Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    Yorkshire
    First question is what is the system being fitted and is it everybody's favourite, pollypipe ?
     
    • Agree Agree x 1
  3. Bopster

    Bopster Active Member

    Location:
    Colchester
    I’m waiting that answer myself from the plumber who’s doing it, all I know at present is it’s overlay system with 18mm gypsum boards.
    I have a solfex overlay in my own house and was recommended to use ditra even though they state it can be tiled directly.
    Tiles are 600 x 600 10mm porcelain.
     
  4. Localtiler

    Localtiler Trusted Advisor Professional Tiler JOTM Winner Top Contributor

    Location:
    Yorkshire
    There's your first issue, there made of gypsum so if any adhesive is going onto those boards it needs to be gypsum adhesive or a barrier created with primer. I'd find out what it is and how it's been fitted and go from there, dont take the plumbers word for it!
     
    • Agree Agree x 3
    • Like Like x 1
  5. hmtiling

    hmtiling Trusted Advisor Professional Tiler JOTM Winner

    Location:
    Isle of Wight
    As Andy says. Once primed or gypsum adhesive used I'd wait for ditra to be set as when you need to lift a tile the bond between the ditra and floor can be broken
     
    • Like Like x 1
    • Agree Agree x 1
  6. Andystiletiling

    Andystiletiling Trusted Advisor Professional Tiler

    Location:
    Burnley
    If its the polypipe system I have a job starting next week with same, will be priming twice, once with 3-1 and once with 1-1 then installing ci mat with cement adhesive and tiling straight away..
     
    • Like Like x 1
  7. hmtiling

    hmtiling Trusted Advisor Professional Tiler JOTM Winner

    Location:
    Isle of Wight
    You'll be using rapid for the durabase though?
     
    • Like Like x 1
    • Agree Agree x 1
  8. JulianSidney

    JulianSidney Trusted Advisor Professional Tiler Top Contributor

    as Harry, Ditra say it can be tiled on straight away but will only debond when tile is lifted
     
    • Agree Agree x 2
  9. Andystiletiling

    Andystiletiling Trusted Advisor Professional Tiler

    Location:
    Burnley
    Yes H, mixed as wet as I dare..
     
    • Like Like x 1
  10. Bopster

    Bopster Active Member

    Location:
    Colchester
    I was planing on prime, rapid flex, ditra, slow flex
     
    • Agree Agree x 2
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