crispy_wafer Posted November 9, 2021 Share Posted November 9, 2021 Bit of a dilemma regarding the depths of insulation and screed depths for my ground floor, I'm looking to start purchasing insulation in dribs and drabs whilst some funds allow. Floor build up is Block and Beam, the door openings and DPC are set on 1 concrete block above this, so approx 225mm I think. Originally I'd thought/planned on 150mm PIR, then screed. What sort of screed depth? 60mm? Many thanks Link to comment Share on other sites More sharing options...
Mr Punter Posted November 9, 2021 Share Posted November 9, 2021 Sand cement screed is 75mm plus, liquid is 40mm plus. Link to comment Share on other sites More sharing options...
crispy_wafer Posted November 9, 2021 Author Share Posted November 9, 2021 Cheers, Would the screed be laid upto dpc/door opening level then, or a little below? This could be a depth of 70mm or so if I go with 150mm insulation. Planning on liquid screen, I guess there's a point at which screed can be too thick? Link to comment Share on other sites More sharing options...
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