Warrentdo Posted July 29 Share Posted July 29 Hello all, I've come to the conclusion that I don't want 21m/sq. UFH in my new extension. It was originally on the plans but I really don't think its worth it for a number of reasons. I will be replacing the UFH with a radiator. The issue that I have is that the base is already in (apart from the screed) so 200mm concrete then 150mm insulation then 65mm screed instead of now ideally the insulation under the 200mm concrete. I was also looking at replacing the screed with concrete as I have enough on site to finish. Does anyone see any issues that I will come up against? Link to comment Share on other sites More sharing options...
Mr Punter Posted July 29 Share Posted July 29 65mm is too thin for concrete and will break up. A liquid screed would be your best bet. I have used Cemfloor (installed by a contactor supply and fit) and it has a decent finish that does not require laitance removal. 1 Link to comment Share on other sites More sharing options...
Dave Jones Posted July 29 Share Posted July 29 traditional sand/cement/fibre screed. 2 Link to comment Share on other sites More sharing options...
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