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How to Lay Electrical Underfloor Heating, by Kevin Burns


Kevin Burns
July 25, 2013
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When you’re thinking of different ways to improve the look and feel of your home, underfloor heating should certainly come into consideration. This fantastic heating method is perfect for warming up your frostbitten limbs in the winter months, and is also great for drying clothes quickly. Whilst underfloor heating makes a great addition to the bathroom, there is still the major problem of installing it in the home. Here, I will outline clearly and concisely how to lay underfloor heating in your home.

First Steps

Before doing anything, you must prepare for the job you are about to undertake. Firstly, you have to plan where you will be going, which you can by do comparing the size of your equipment to the size of the room you will be installing it in. For the next part, you may need to get a professional in, just for an opinion, as your wires will need to be placed near an electrical source. Then, read the specifications on the pack you bought the heating system in, which will help you to find how far apart you should space the wires. Some of the more advanced packages come with a plastic mesh, which is great for making the spacing consistent and even. If they do not come with this, you will have to fix the wires with tape to ensure that the heat generated is equally distributed around the room. Finally, spend a moment planning where and how you will lay your tiles over the system, to ensure that they will fit correctly.

Lay Your Wiring

To lay your wiring, you should read the instructions provided in the pack, which will tell you how your particular system should be applied to the floor. Be extremely careful and ensure that the wires do not overlap at ANY point, as this could potentially be very dangerous. Once you have finished laying it out, attach it to the floor with strong tape.

Fit the Sensor

All underfloor heating systems should come with a sensor, which should be connected to the thermostat in your home. To do this, fit the sensor with an electrical conduit and place it within range of your thermostat. Remember to always fit these conduits by chiselling into the tip and sealing it with silicone. This will stop the adhesive used on your tiles from hardening around it and making malfunction or break completely. Again, get a professional in to double check your work, to ensure that everything is set up safely.

Connect To the Power Supply

The final stage of your installation is to connect your system up to your homes’ power supply. This is the most dangerous part of the process, and unless you have experience in doing this, you should definitely get a professional electrician in to complete this task.

Lay Your Floor Tiles

Now that your underfloor heating system is finalised, you need to install your tiles over the top of them. This completes the appearance of the room and provides warmth to every corner. If you want to complete this job as well, there is a great guide on the Topps tiles website, which provides clear instructions and a great amount of detail.

This guest post was written by Kevin Burns, a home improvement fanatic who loves adding little extras to houses, making them a better place to live. He writes on behalf of Bathroom and Kitchen Warehouse, who are based in Worksop and provide a wide range of fantastic home products to the Midlands and Yorkshire areas.