floor screed

Discussion in 'Builders' Talk' started by denmark, Oct 27, 2009.

  1. denmark

    denmark New Member

    the unfinished floor in my extention is only 100mm lower than the existing level of the other rooms.there is no insultion under the concrete .
    would it be ok to put in 50mm of jab floor and then 50mm screed or just put in 100mm screed?
  2. nearnwales

    nearnwales Member

    I would put 25mm insulation so you have a 75mm which is minimal you want and its also got to be fibre screed

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