I am using a 150w heating matt, by living heat. It's a 20m2 matt. I am laying on 6mm insulation board(it's blue) think it's called Xps/styrofoam.
Living heat said the screed needs to be primed with a "suitable primer"
I can't use 10mm insulation as it will be too high where it meets bifold doors and hallway.
Any tips/ advise would be greatly appreciated.
Andy
Did the company who supplied the heating mat not supply the primer?
I used another company who sold as a package, I was able to use 10mm insulated backer board instead of 6mm as I have the height.
Have they told you that you need to prime the insulation boards once they are fitted too.
I appreciate you can tile directly on top of the Matt but that seems like a pain to do so I've used a self levelling compound on top of the Matt to make tiling easier.
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