PFM matting system installation
Measuring and planning
Divide the floor into a series of rectangles. From these measurements you can calculate how many mats you will need and what sizes. Exclude permanent or static fixtures from your calculations.
Floor preparation
If the floor is screed over concrete, it is recommended to lay insulation boards to minimise heat losses and ensure quicker warm up times.
Laying the Professional Matting System
Lay the first run. At the end of the run cut the mat leaving the cable intact, turn the mat through 90º or 180º and continue laying. When the area is covered, adjust the mat until the loops are equal distance apart. Now attach the mat to the subfloor using the special tape supplied.
Connecting to the power supply
You will need to install an RCD fused spur which powers the thermostat (controller/programmer) and the heating system.
Lay the temperature probe from the timer-thermostat onto the floor, equidistant between two of the cable loops, and attach it to the floor surface. Now take the unheated power supply cable from the end of the matting system, which should be positioned near the thermostat.
Once all the connections have been made to the power supply, run the heater(s) to ensure they are heating up (no more than 10 minutes).
Completing the job
Either lay a thin, self-levelling screed over the mat and leave it to dry before laying tiles or trowel flexible tile adhesive directly over the mat and lay the floor tiles. Once the grouting is complete, let the tile adhesive cure before switching on the system.
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