Heating Foil - Electric Underfloor Heating

by ThermoSphere

ThermoSphere Foil is the safest and most advanced electric underfloor heating system that's designed to heat engineered timber, laminate, carpet or vinyl floor finishes and at only 1.5mm thick, there is minimal impact on floor height. 

ThermoSphere Foil is a hard wearing foil designed for a long lasting installation with efficient heat transfer. The double layer of foil is specifically designed to protect the heating element and achieve an even spread of heat to the floor above. It is also the only heating foil with a continuous earth braid to ensure complete protection and safety.

Equipped with a cushioning underlay, the heating cable inside ThermoSphere Foil is embedded to remain totally protected from abrasion. Accessible cable loops simplify cut and return installation and provide protection for the heat element after installation is complete.

  • The only foil to include a continuous earth braid
  • The first fully earthed foil in the UK to feature accessible cable loops for a much easier installation
  • It‘s only 1.5mm thick so there is minimal impact on floor build-ups
  • Energy efficient heat exchange foil protects the heating cable and spreads heat evenly
  • Unique cushioning underlay and acoustic overlay are included with ThermoSphere Foil kits
  • Low profile LayFlat cold tail

Specification Details for Heating Foil - Electric Underfloor Heating (Underfloor Heating)

Please note that these product properties are not a replacement for the manufacturer's literature and it is always recommended that ThermoSphere is consulted before specifying.

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The height of the floor build up is 8.2mm.

No, ThermoSphere Foil is designed to go under wood, carpet or vinyl. It's better to choose either ThermoSphere Mesh or ThermoSphere Membrane for tiled floors.

The tog rating should not exceed 2.5tog. This includes the carpet, underlay and also 0.5tog for the HDF overlay board.