Should I use Ditra Mat?

Discussion in 'Tilers' Talk' started by Don63, Oct 16, 2015.

  1. Don63

    Don63 Member

    We're about to have our extension floor tiled. This is a large area of screed with wet UFH - approx. 60m2. I've had conflicting advice on whether we should have Ditra matting. The tiler we're going to use reckons it is a waste of money, but advice from elsewhere suggests otherwise.

    It's not a small investment to use Ditra matting, but given the cost of the tiles/labour would be worth it if it means that the tiles won't crack.

    Does anybody have a strong opinion on this?

  2. Ghost-1

    Ghost-1 Active Member

    Wot tiles are you putting down?

    Has the ufh been tested/commissioned?
  3. Don63

    Don63 Member

    We haven't completely decided on tiles yet although I suspect we will go with large format porcelain. It's an outside chance that we might still go with natural stone.

    It's another 4 weeks before we can turn the UFH on. UFH will be commmisioned and tested before tiling commences - tiling will likely be in December depending on tiler/tiles availability etc.
  4. Ghost-1

    Ghost-1 Active Member

    With large format porcelain or natural stone it is recommended to use an decoupling membrane. Ditra/Durabase. It is a belt & braces approach.

    Was it a pumped screed?
  5. Don63

    Don63 Member


    No the screed was barrowed in
  6. KIAB

    KIAB Super Member



    Can't beat a pumped screed for uhf.:)
  7. Ghost-1

    Ghost-1 Active Member

    But with pumped screed, you need an acrylic primer

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