RE: Underfloor heating...

["Mark Harrison" <Mark.Harrison@xxxxxxx>]

I have a concrete subfloor on the whole ground floor. I am resigned to
the fact that I will need to be channelling into this, and fitting
"weird stuff", particularly given that I want the thermostatting
to be
controlled by HV / xAP.

The sitting room backs onto the utility room, so the manifold / control
valves could go there. The second / third rooms to "go
underfloored"
would be the hall and kitchen, both of which are also possible. In all
three cases, part of the motivation is to replace the current flooring
finish (carpet in hall and sitting room, cheap nasty plastic stuff in
kitchen.)

The plan is to go with a marble floor for the hall, wood for the
sitting
room and "to be negotiated" for the kitchen. Fortunately, after
much
hunting around, we have found a friend of a cousin who owns a marble
quarry in Italy.

Finances, and lifestyle issues, dictate that it would be better to do
these rooms one at a time.

Regards,

Mark


-----Original Message-----
From: Hawes,Timothy Edward (GEG) [mailto:haweste@xxxxxxx] 
Sent: 2 December 2002 16:12
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Underfloor heating...


Typically with a wet system the pipes are clipped *underneath* the
floor
and aluminium diffusers fitted to spread the heat. You obviously need
access to underneath the floor to fit this :-) 

Also, think carefully about where you'd site the manifold and control
valves for a wet system. They can be bulky and also get hot
(~30-40degC).

In some circumstances electric UFH vendors recommend covering a wooden
floor with ply (or hardboard I can't actually remember :-(  ) and
then
fitting the mat etc. on top of that. It can reduce movement / flex and
help prevent cracking of the adhesive / grout.

FYI, my bathroom floor was 8'x2', 18mm chipboard sheets.

Cheers,

Tim H.


> -----Original Message-----
> From: Jon Payne
> 
> I was thinking about this for my bathroom:
> 
> The (upstairs) bathroom has normal tongue-and-groove
> floorboards - can you use
> any type of UFH on a wooden floor?
> 
> Thanks,
> Jon

+

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