Technical Data

Width: 500mm

Heated width: 430mm

Thickness: 3.5mm

Max. Temperature*: 28°C *

Protection Rating: IP68

Warranty: Lifetime on heating mat and 3 years on thermostat

Wattage: 150W/m2

Conductor Type: Single Ended

Cold Tail Length: 5m

* Regulated by floor sensing thermostat

Category: SKU: N/A


Thermonet 150W/m2 Undertile Heating Kit with Thermostat for installation under stone or tile floors. Also available as an in screed installation. Contact the store for a price.  (pic attached of underfloor kit)

If you need help working out the size required or you would like a quote for under carpet or another surface medium then contact us at [email protected]


Full kit ready for installation

The Thermonet matting is available in a kit which includes all the items (except insulation) that you will require for installation of your underfloor heating.

Kit items include:  Thermonet 150W/m² Mat, Programmable Thermostat (5220A), Floor Temperature Sensor, Sensor Conduit, Cable Monitor (6025) & Installation Guide & Warranty Form.

You won’t see it, but you’ll feel it

Thermonet features 3.5mm TwistedTwin cable, self-adhesive mesh and our low-profile cold tail connection cable. These features make up what we call LayFlat Technology because this combination neutralises tension in the finished product and makes Thermonet easier to fit.

Additional information


10 x 0.5m, 12 x 0.5m, 14 x 0.5m, 16 x 0.5m, 18 x 0.5m, 2 x 0.5m, 20 x 0.5m, 24 x 0.5m, 28 x 0.5m, 3 x 0.5m, 32 x 0.5m, 4 x 0.5m, 5 x 0.5m, 6 x 0.5m, 7 x 0.5m, 8 x 0.5m, 9 x 0.5m