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Underfloor Heating Underlay for Carpets

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Want to install underfloor heating with carpet? If so, you’re going to need underfloor heating underlay. Not only will this enhance the look and feel of your carpet, but it will also optimise the performance of your heating system and significantly improve the efficiency of your home

Here at Carpet Underlay Shop, we sell a comprehensive range of carpet underlays suitable for underfloor heating. These are supplied by some of the industry’s finest brands, including:

  • ThermalStream®
  • Duralay
  • Tredaire
  • Cloud 9
  • Roma

And, as such, they’re all of an exceptional quality. They’re also available for a highly competitive price and appropriate for both domestic and commercial use. Therefore, whether you’re looking to fit underfloor heating at home or work, we have the ideal underfloor heating underlay for you. 

Do I need a specific type of underlay for underfloor heating?

Yes – you need to invest in underlay that is specifically designed for this purpose.

Most carpet underlay products are made to be as thick and cushion-like as possible. This ensures they feel soft and comfortable underfoot and provides a sufficient level of insulation. But such products are not compatible with underfloor heating. They create a barrier, which prevents the transfer of heat and significantly hinders the performance of the system.

By contrast, underfloor heating underlays are thin and have a low TOG rating, around the 1.2 TOG mark. This means they can be laid with many different carpets – without getting in the way of effective heat transfer – and enable your heating system to work at optimum efficiency.

Which is the best carpet underlay for underfloor heating?

As we constantly analyse the market for the latest and best technology products, we now recommend Thermal Stream.

Thermal Stream is a revolutionary product in the world of underfloor heating underlay. Constructed from lightweight foam, with perforated holes throughout the design, it encourages airflow and promotes quicker heat transfer. It has an incredibly low TOG rating of 1.1. Yet despite this, it is still 10mm thick and offers wonderful levels of underfoot softness and comfort. Available here for just £7.30 per m2, it’s an affordable and effective option for both home and commercial use.

Order your low tog underlay today

Ready to purchase carpet underlay for underfloor heating? Take a look through our full online collection, add the ideal product to your basket and place your order. It’s as simple as that.

If you have any questions about the low TOG underlay currently available, please feel free to get in touch. We’re always on hand and happy to advise on the best product for your needs. Either call us on 0203 887 0994 or send an email to and we’ll get back to you.

ThermalStream Underfloor Heating Carpet Underlay
ThermalStream Underfloor Heating Carpet Underlay

Underfloor Heating Underlay

From Only £8.46
Full roll of Duralay HeatFlow Carpet Underlay
Duralay HeatFlow Carpet Underlay from £9.56 per m2

Rubber Carpet Underlay

From Only £9.56
Duralay King Carpet Underlay - Full Roll
Tredaire King Carpet Underlay from £9.31 Per m2

Rubber Carpet Underlay

From Only £9.31
Cloud 9 Radiance Carpet Underlay from £5.10 Per m2
Cloud 9 Radiance Carpet Underlay from £5.10 Per m2

PU Foam Carpet Underlay

From Only £5.10
Roma Carpet Underlay Underfloor Heating from £6.77 per m2
Roma Carpet Underlay Underfloor Heating from £6.77 per m2

Rubber Carpet Underlay

From Only £6.77