In-Slab Heating

 Safe-t-SLAB cables to heat concrete floors.

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Safe-t-SLAB Cables

The in-slab underfloor system consists of a heating cable affixed to the top layer of a steel mesh before concrete is poured — where it then makes up a part of the slab. The cables heat up the concrete, warming the floor covering above, and giving an output of 160W/m². 

The system runs during off-peak hours and stores the energy (heat), which is then used during peak hours. This feature helps in managing energy costs and maximises the system's efficiency.

Our Safe-t-SLAB is a 6.0mm, twin-element cable, which comes in a coil complete with cold tails — eliminating the need for the cable to return to a single power source. It is installed easily by attaching the cable directly to the steel mesh with ties.

This heating system is also designed to prevent "frost heave" in the concrete floors of cold stores — the highly undesirable consequence of condensation freezing, which can crack the concrete floor. Specifications for installation depend on the proposed cool-room temperature range.

Read more about our other radiant heating options on the Radiant Ceiling and Underfloor Heating pages.

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