
Floor screed provides a thermal mass for the heating to dissipate into, giving a consistent temperature across an area with a gradual rise and fall over time. By providing the heat to a room over such a large area, it is possible to use water at a lower temperature, which reduces the heating required at the source, and reduces thermal losses. FlexiDry fast drying floor screed is 20 to 30% more efficient as a thermal conductor than an anhydrite screed.
FlexiDry floor screed is currently adopted by most major contractors due to its reliable dry times - with a choice of 3, 7, 14 and 21 days - which do not totally depend on a controlled temperature of 20 deg C and 50% RH. This gives project planners confidence and reliability removing the need for expensive surface DPM’s. FlexiDry Floor screed does not require curing under polythene for 7 days after install removing H&S and waste issues on site and it will take light foot traffic after 12 hours.
FlexiDry reduces the volumes of cement required in traditional screeds and makes a significant contribution to reducing CO2 emissions
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Thermal images show cementitious screeds are more efficient than anhydrite screeds
Further information on FlexiDry can be obtained direct from NBS using their
RIBA Product Selector.