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View the thread, titled "Underfloor heating wet system-- Any Advice Welcome" which is posted in UK Plumbers Forums on UK Plumbers Forums.

Hi
I'm new here so take it easy with me.

Empty Bungalow not moved in yet. Insulated cavity walls built onto foundation blocks with deep footings. Uninsulated concrete floor onto soil.

I've done some research but finding it difficult to get unbiased advice.

I am looking to install wet underfloor heating of minimum profile possible, onto the concrete floor.

1. do i need insulation or will the soil insulate the warm concrete. I'm not sure about heat leakage at the edges of the floor and how significant.

2. I've found reclaimed plastic screed trays 15mm thick that take pipes down to 50mm ctrs if required . these trays can be fixed with adhesive straight onto concrete but presumably not onto insulation.

3.Is it possible to use screed down to 15mm

thanks in advance
 
1. Yes.
2. No.
3. No.

What pipe centres does your heat loss calculations give you.

Underfloor heating isn't a make do and mend install.

Needs to be corret.
 
Yes you need to insulation before you install your ufh normally around 100mm thick

Best not to buy second hand stuff

And yes but you will need a liquid screed
 
Depending on the build , your concrete may only be “ oversite “ you could probably remove it to dig down to keep any available head height .
If the house is on a “raft “ obviously you are goverened by that level .
 

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Title
Underfloor heating wet system-- Any Advice Welcome
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UK Plumbers Forums
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Japser,
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townfanjon,
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