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Should i use Ditra matt on concrete floor

Discussion in 'Tiling' started by britishboy7, 31 Oct 2020.

  1. britishboy7

    britishboy7

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    Have got 4 rooms to have the floor re-tiled coming up, bathroom, hallway and downstairs toilet and kitchen.

    Apart from the kitchen, the other 3 areas will have plywood or chipboard floor, so use ditra matt.

    The kitchen is a concrete floor, and we will be laying fairly large sized porcelain tiles so is it advisable to use ditra matt there too?
     
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  3. JaimieH

    JaimieH

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    If your concrete is not newly poured and is not showing any signs of movement then it is not necessary to lay Ditra or any uncoupling membrane, although it won't hurt. The important thing is to have a flat floor before starting, especially if you are using large tiles. I would imagine the floor will require some levelling compound so spend time with a long straight edge and identify the hollows and high spots. Level the low bits and grind off the high spots.
     
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