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DIYKerfuffle 04-18-2005 02:53 PM

Undertile Heating Installation
I want to install an undertile heating system in my kitchen. The sub-floor is concrete. Do I need to lay tile backerboards first? Wickes (Idea 80) recommend that a tile backerboard is used, as the concrete will result in downward heat loss. However, some websites don't seem to mention this disadvantage of concrete. Should or shouldn't I use tile backerboard? If so, is it expensive?

dirkgently 04-19-2005 01:31 PM

Use backboard you will regret it otherwise.

DIYKerfuffle 06-05-2005 01:18 PM


I used thermal insulation boards, which have the same thermal properties as construction boards such as Wedi, but without the expense!

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