We have tips for specific rooms and installation videos giving you detailed step-by-step guidance for essential measuring

Our technical staff are fully qualified electricians and plumbers and can offer expert advice on any additional issues you may have.

Need to talk to us? Call direct on: 01268 567016.

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In-screed cable coverage

Please choose an electric underfloor heating cable kit that will cover 90% of your floor area.

It is best to order slightly less than you need than have too much as the cables CAN NOT be cut or shortened.

The Underfloor Heating Store inscreed cable spacing guide
Coverage (m2) 0.85 1.27 1.8 2.3 3 3.5 4.5 5.5 6.7 7.25 8.25 9.5 11 12 13.5 14.5 15 17.5
Cable Length (m) 10 15 21 27 35 41 54 65 79 84 96 112 129 141 158 170 183 208
Wattage 170 255 360 460 600 700 920 1100 1340 1430 1630 1900 2200 2400 2700 2900 3100 3550
Coverage (m2) 0.85 1.27 1.8 2.3 3 3.5 4.5 5.5 6.7
Cable Length (m) 10 15 21 27 35 41 54 65 79
Wattage 170 255 360 460 600 700 920 1100 1340
Coverage (m2) 7.25 8.25 9.5 11 12 13.5 14.5 15 17.5
Cable Length (m) 84 96 112 129 141 158 170 183 208
Wattage 1430 1630 1900 2200 2400 2700 2900 3100 3550
Coverage (m2) 0.85 1.27 1.8 2.3 3 3.5
Length (m) 10 15 21 27 35 41
Wattage 170 255 360 460 600 700
Coverage (m2) 4.5 5.5 6.7 7.25 8.25 9.5
Length (m) 54 65 79 84 96 112
Wattage 920 1100 1340 1430 1630 1900
Coverage (m2) 11 12 13.5 14.5 15 17.5
Length (m) 129 141 158 170 183 208
Wattage 2200 2400 2700 2900 3100 3550

If concrete pad is less than or equal to 100mm & insulated:

You may install the heating cable directly on top of the concrete pad.

The Underfloor Heating Store inscreed concrete guide

If concrete pad is more than 100mm or uninsulated:

You must install insulation before laying the cable. There are 2 options available

The Underfloor Heating Store inscreed concrete guide The Underfloor Heating Store inscreed concrete guide