Liquid Floor Screed Thickness

At those kind of depths you would using void formers insulation and then screed on top.

Liquid floor screed thickness.

Floating liquid screed thickness minimum with underfloor heating pipes would be 20mm for the specialist version and 30mm for the standard coverage above the pipes. In this case the liquid screed minimum thickness is 40mm. Liquid screed thickness with underfloor heating. This traditional screed mix is made up from sand and cement at a 1 3 5 ratio and is then spread onto the floor and allowed to solidify around the ufh pipes or cables.

The floor screed thickness when floating should be 75mm minimum with no maximum for traditional sand and cement and 35mm minimum with no maximum for modified sand and cement. Modified sand and cement screeds can go up to whatever thickness you would like however you would question doing so if you are starting to get up to 150mm 200mm. Floating liquid screed thickness minimum would be 35mm domestic 40mm commercial for both versions of the screed. In this situation the liquid screed minimum thickness of 30mm is needed for covering the heating pipes or cables.

There is one other variable which needs to be considered in liquid screed thickness and that is if the floor area is to have underfloor heating as part of the structure. If you need any further information we would be happy to answer any questions you may have. Minimum thickness for truflow pumped screed over insulation. Nowadays most installers will use fibres to add strength and reinforcement to the flooring and will aim for a thickness around 75mm.