What size of ThermCABLE for my room
ThermFloor offer a design service and will email a quick reply to any of your
enquiries.
First Step: Plan the installation.
Draw a general view of the room and mark the area which will be covered with
heating elements. Take measurements of the room. Avoid heating under units and
sanitary ware as this can cause heat blockage and it is unnecessary to heat
these areas anyway.
Make sure the ThermCABLE can fit the floor area to be heated. It is better to
have just too little than too much over. NEVER cut the heating element.
Always start by measuring the FREE floor area available to apply the heat. In
a bathroom the FREE area is the floor area less the bath, shower, toilet and
washbasin etc. In a kitchen the FREE area is the floor area less the kitchen
units and appliances and so on.
Bear in mind to leave a minimum 50mm unheated gap around the room perimeter.
You can combine more than one size of ThermCABLE to cover the total floor
space. Each ThermCABLE comes with a single 4m long cold lead wire at one end
only, and with multiple circuits the lead wires must be connected electrically
in parallel.
The table below provides a guide to the floor area permutations at various
watts density and cable spacing.
 Once the
position for the control has been decided the size of cable or combined sizes to
match the room layout can be chosen from the chart.
The above table provides the installer with a selection of ThermCABLE sizes
to suit the heated area. Choose from these Part Numbers when you shop on-line.
Remember, two or more cable sizes can be combined together and wired
electrically in parallel if required.
A simple formula
for calculating the cable spacing is:
Area
to heat (m²) x 1000
= ‘X’mm (spacing)
Cable length (m)
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