Warmup Inslab Cable – INSLAB

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The Warmup In-slab Heating Cable is designed to be placed within the cementitious slab of at least 2” (50mm) in thickness, with at least 1¹/₈” (30mm) of slab above the heating wire. Depending on the construction of the subfloor, you may need to use additional insulation with your installation.



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Installation Reminders for the In-slab Cable


We have provided helpful reminders to ensure a successful installation.  Click “Read More” for details.

Where do I place the sensor probe when installing in-slab cable?


The thermostats sensor probe can be installed in a number of ways and must be housed in a separate conduit from the heating systems cold tail lead. Click “Read More” for details.

Make sure that the floor probe that came with the floor heating thermostat was installed and done so properly.


It is vital that the floor heating thermostat’s floor probe was not only installed but done so the right way.  Click “Read More” for details.

Basic Installation of the In-slab Floor Heating Cable


For thicker pour of up to 6”, elevate the wire mesh on which the cable is tied with bricks, wood blocks or other spacers to float the cable at the desired level. Depending on the construction of the subfloor and in general, in order to improve the efficiency of the system, you may need to apply insulation prior to the pour.