Thermofoil 140W/M2 Heating Foil

Bring the luxury feeling of underfloor heating and the simplicity of an electric system to timber and carpet floors.
Thermofoil PRO is the most advanced electric under floor heating foil available today. Innovations such as our exposed cable loops and continuous earth protection ensure an easy installation and total safety.
- Luxury & Comfort – Enjoy underfloor heating with the ease of an electric system.
- Advanced Technology – Thermofoil PRO offers innovative safety features for secure installation.
- Versatile Application – Ideal for timber and carpet floors, ensuring efficient heating.
Lifetime Warranty
We are so confident in the quality of Thermonet Underfloor Heating cable that we provide a lifetime warranty on each system, as well as a three-year warranty on our thermostats.
Efficient Heat Exchange Foil
Thermofoil PRO’s second layer of foil is meant to shield the heating element while also distributing heat evenly to the floor above.
Easy Cut and Return Installation
Thermogroup’s product developments include the accessible cable loops. They allow for quick and easy cut-and-return installation while also preserving the heating element.
Continuous Earth Protection Braid
Thermofoil PRO’s continuous earth braid protection runs the length of the heating cable, ensuring electrical safety. It can also be used in the bathroom.
Minimal Eight Build-Up
The foil system is only 2.5mm thick, with a 4mm thick low-profile cold tail that may be hidden under the insulation.
| Stock No. | Size | Area | Output | Resis.Ω | Stock Status |
|---|---|---|---|---|---|
| 121402 | 2 x 0.5m | 1m2 | 140 W | 337.9 Ω | In Stock |
| 121403 | 3 x 0.5m | 1.5m2 | 210 W | 251.9 Ω | In Stock |
| 121404 | 4 x 0.5m | 2m2 | 280 W | 188.9 Ω | In Stock |
| 121405 | 5 x 0.5m | 2.5m2 | 350 W | 151.1 Ω | In Stock |
| 121406 | 6 x 0.5m | 3m2 | 420 W | 126 Ω | In Stock |
| 121408 | 8 x 0.5m | 4m2 | 560 W | 94.5 Ω | In Stock |
| 121410 | 10 x 0.5m | 5m2 | 700 W | 75.6 Ω | Low Stock |
| 121412 | 12 x 0.5m | 6m2 | 840 W | 63 Ω | In Stock |
| 121414 | 14 x 0.5m | 7m2 | 980 W | 53.9 Ω | In Stock |
| 121416 | 16 x 0.5m | 8m2 | 1120 W | 47.2 Ω | In Stock |
| 121418 | 18 x 0.5m | 9m2 | 1260 W | 41.9 Ω | Low Stock |
| 121420 | 20 x 0.5m | 10m2 | 1400 W | 37.8 Ω | In Stock |
| 121424 | 24 x 0.5m | 12m2 | 1680 W | 31.5 Ω | In Stock |
| Width | 500mm |
| Thickness | 2.5mm |
| Max. Temperature* | 28°C * |
| Protection Rating | IPX7 |
| Warranty | Lifetime |
| Wattage | 140W/m2 |
| Conductor Type | Single Ended |
| Cold Tail Length | 5m |
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What is the best system for underfloor heating in my situation?
If you’re wondering which floor heating system is best for you or are overwhelmed by the numerous options and possibilities available, Thermogroup’s online underfloor heating system picker tool can assist you in making the best choice. Our underfloor heating selector walks you through a simple four-step process to determine the best underfloor heating system for your specific application, as well as a list of all the products you’ll need to complete the job, so you can rest assured that you’ll have everything you need for installation. If you have any requirements that aren’t covered by the tool, please don’t hesitate to contact us to discuss them.





