Duralay Heatflow carpet underlay for underfloor heating.
Duralay Heatflow carpet underlay is ideal for under floor heating installations. Heatflow only has a tog value of 0.75 tog, the lowest tog value of all the carpet underlays we sell. Heatflow at 6.1mm thick, gives comfort yet performs to the figures given within the heating trade for under floor heating systems. It allows the heat to rise easily allowing a problem free installation of your underfloor heating system.
6.1mm thickness
15m sq roll