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In Slab Heating


(Prices Include GST)
SKU: inslab Category


In Slab Heating Cable Kits


  • Teflon coated, 6.5mm thin loose heating cable, supplied on a reel with a single 3m long cold tail
  • 30W/lineal meter

Included in each kit:

  • In-Slab Heater 
  • Installation Monitor (element alarm) with battery 
  • Installation Manual 
  • 25 Year Warranty
  • Note: Thermostats sold separately

Basic Installation Instructions: 

  • It is recommended to install the in-slab heater with 200mm spaces between each run (matching typical reinforcement grid spacing) to achieve the correct wattage per square meter
  • Plan heater layout before securing the heating to the reinforcement grid in order to ensure it will fit properly
  • Secure the heater to the reinforcement grid using cable ties and cut the cable ties so they don’t stick up when the concrete is poured
  • For more in-depth instructions, consult your instruction manual contained in every heater kit. Or you can always contact the friendly people at Coldbuster for further assistance!


The Coldbuster in-slab heater is a bi-directional, single ended 6mm cable, rated at 30W/m and supplied as a cable on a roll. To achieve the required wattage per square meter, secure the cable along the reinforcement rods at 200mm spacing. Heaters have a single 3m long cold tail lead that can be connected to a programmable or manual thermostat control. A range of 13 standard lengths or combination of these lengths caters for all area sizes and shapes.

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