Fully compliant, straight out of the box!
Award-winning ThermoSphere Foil is the most advanced electric underfloor heating system for wood, carpet, and vinyl floor finishes. It’s the only foil heating system that is fully compliant with Section 753 of the 18th Edition Wiring Regulations making it the safest of its type, and for peace of mind, it’s backed by a lifetime warranty.
| Underlay Boards | Underlay Area (m²) | Overlay Area (m²) | Foil Size (m) | Foil Area m² | Output (W) | Resistance |
| 2 | 1.20 | 1.00 | 2 x 0.5m | 1 | 140 | 337 |
| 4 | 2.40 | 2.00 | 3 x 0.5m | 1.5 | 210 | 251 |
| 4 | 2.40 | 2.00 | 4 x 0.5m | 2 | 280 | 188 |
| 5 | 3.00 | 3.00 | 5 x 0.5m | 2.5 | 350 | 151 |
| 5 | 3.00 | 3.00 | 6 x 0.5m | 3 | 420 | 126 |
| 7 | 4.20 | 4.00 | 8 x 0.5m | 4 | 560 | 94 |
| 9 | 5.40 | 5.00 | 10 x 0.5m | 5 | 700 | 75 |
| 10 | 6.00 | 6.00 | 12 x 0.5m | 6 | 840 | 63 |
| 12 | 7.20 | 7.00 | 14 x 0.5m | 7 | 980 | 53 |
| 14 | 8.40 | 8.00 | 16 x 0.5m | 8 | 1120 | 47 |
| 15 | 9.00 | 9.00 | 18 x 0.5m | 9 | 1260 | 41 |
| 17 | 10.20 | 10.00 | 20 x 0.5m | 10 | 1400 | 37 |
| 20 | 12.00 | 12.00 | 24 x 0.5m | 12 | 1680 | 31 |
