HEATFLOW Carpet Underlay for Underfloor Heating

HEATFLOW Carpet Underlay for Underfloor Heating
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Duralay Heatflow is a low-tog underlay specially designed for use with underfloor heating. With a thermal resistance of 0.75 - 0.80 togs and a sound impact reduction value of 31db, this carpet underlay will soften the sound of footsteps and help suppress noise transference.

Important note:- Due to limited availability of Duralay branded Heatflow, we recently took into stock Tredaire 'Defender' which is from the same manufacturer and produced in the same factory and on the same machinery and matches the product description shown below. When purchasing you will receive either Heatflow or Defender branding, according to availabilty.



Sold in rolls of 10 square metres, also by the square metre so you can purchase exactly as much as you need

from £ 4.87 sq. mtr with maximum roll quantity discount 

or £5.35 when purchased by the square metre

See 'buy-now' box for quantity prices


perfect quality carpet underlay 


Quick Reference Guide:-

Underlay Type
Sponge Rubber
Nominal Thickness
Density N/A
Thermal Insulation
0.75 - 0.80 tog est
Impact Sound Reduction
31 db est
Top Surface
Bottom Surface
Coloured Dimpled
Comfort Rating
Suitability Underfloor heated areas, Living areas, stairs, bedrooms


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