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Concrete vs Cement based screed

  • 13-11-2018 7:20pm
    #1
    briaineo
    Registered Users, Registered Users 2 Posts: 153 ✭✭


    Hi

    Just a quick question on floor screed, I was originally planning to go with a cement based floor screed but i’m leaning towards a polished concrete floor.

    I know it’s possible to polish a cement based screed but I simply don’t like the look of it and extra material like glass cannot be added.

    Are there any drawbacks in using concrete as opposed to a cement based screed when ufh is used?

    I imagine the initial heat time is longer with concrete and also think it would retain heat longest.

    Any idea how much longer: any ballpark figures on minimum depth of concrete that can be used?

    Will be passed by engineer....

    Thanks

    Should have mentioned using a heat pump


Comments

  • #2
    Dudda
    Registered Users, Registered Users 2 Posts: 1,541 ✭✭✭Dudda


    The concrete would probably be better than screed as it would be stronger with aggregate. Thermally you won't have enough of a difference to notice I think. The key issue is the thickness so it doesn't crack. If you had planned only a 50mm screed you'll need thicker of you don't want it to crack.

    I made a long reply about polished concrete floors in this thread which covers a lot of points. A later reply explains the difference between screed and concrete.

    https://touch.boards.ie/thread/2057827380/2


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