FLOORING


FLOOR HEIGHT ANDHEATING BUILD-UPS


In this article, Thermosphere breaks some myths surrounding underfloor heating and floor height, with particular focus on electric underfloor heating. The company also provides some considerations for selecting which electric underfloor system build-up is right for your project.


What do we mean by floor height? For this article, when we talk about floor height, we will be referring to the build-up required between the substrate (concrete or timber) and the floor finish with adhesive (tiles, wood, carpet etc). A bit like focussing on the sandwich filling rather than the two slices of bread.


What type of projects is electric underfloor heating suited to? More commonly, electric underfloor heating is used in renovations, smaller floor areas or to create multiple heating zones for better controllability. This is because there is minimal impact on floor height and a faster installation time (depending on the size of the room).


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The diameter of the heating cable varies between manufacturer and the type of electric underfloor heating system you specify. Where certain systems appear to have thinner heating cable, an important point to note is the diameter of the cold tail joint. Why? This will impact the floor height as it needs to be buried under the flexible tile adhesive as part of the installation process. So, the thicker the cold tail joint, the more depth of tile adhesive you’ll need which will increase the height of the floor build up.


Examples of common electric underfloor heating build-ups for


concrete and timber substrates Here are some of the most common floor build-ups for timber and concrete substrates using different electric


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