What thickness engineered wood floor for underfloor heating?

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newp

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Hi all,

I am hoping someone may be able to offer some advice on what to thickness engineered wood flooring I should be fitting over a wet ufh slab.
Should I be going as thin as possible?
Should it be bonded to the floor?

Any help would be appreciated. thanks
 
I would float it on Duralay Heatflow UFH underlay.

The UFH will have a spec that they would recommend not exceeding but in the absence of such information, a 15mm Engineered Oak would be about as thermally efficient regarding letting heat rise through it as you will likely get.
 
Hi there, sorry for the delay id given up on anyone replying. Thanks so much for going to the trouble. So are you saying 15mm engineered oak would be about the max with regards to letting the heat through? Thanks again
 
It’s about the minimum thickness/lowest tog rating available, what your UFH system is designed for depends on the UFH manufacturers specs and recommendations. If you go 18 or 21mm Engineered it will have a higher tog rating so if you don’t know your specs and want engineered, there’s less soak in going for 15mm.
 
That's great info, thanks. I didn't get any info from the manufacturers on this. I installed a wet kit with 100mm spacing on 100mm of celotex with 70mm sand cement screed. I think I'll stick with 15mm to be on the safe side. From what I've read tiles are best for releasing the heat but i don't think I could live with tiles throughout long term. Thanks again for your time and info, it's much appreciated.
 
Have you looked at LVT if you don't like tiles?

I love my UFH but even in a 55mm screed it takes ages to heat up! And that's with LVT on top...
 
Hi, thanks for the suggestion. To be honest I havent looked at lvt. I will certainly give it a look. Cheers
 
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