Underfloor heating - planning and position

I'm planning travertine or a ceramic tile floor for a kitchen that's approx 6m by 3m. To take the chill off, I'm also looking at wet underfloor heating.

By the time any wall units etc. are taken into considration, the area covered works out at about square meters. I understand that this makes it expensive for the area involved, but it will suit the room.

I have flow and return pipes to the kitchen that used to service two radiators (1 for the kitchen itself, and one for the small room it opens into). These pipes will only service the underfloor heating. I'm planning to put the zone heating valves etc. at the end of these pipes (obviously) and this will mean that the whole shooting match will sit inside a base unit at approx. half way down the longest wall.

Are there any obvious problems with this plan? From the literature I read this is a reasonable location, but I haven't got a good idea how bulky these valves etc. are, and if it will destroy a base unit to accomodate it. Also I'd guess I can put a controller on the wall above the worksurface?

Reply to
Sean Inglis
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That should read "10 square meters". Oops.

Reply to
Sean Inglis

well it seems fine as far as it goes..you should of course have a temp reducing valve and an auxiliary pump and about 50mm *at least* of insulation under the floor..?

Reply to
The Natural Philosopher

I'm planning to go down the kit route:

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for the 50mm of insulation, this may be slightly more problematic. The ceiling is high, and there is a actually a step up into the adjacent room, but it might give me problems with the position of sockets etc. Is there a thinner high performance insulation I could get away with?

Reply to
seani

For some reason that URL don't work, but I got there anyway. Good stuff that kit.Should be just the ticket.

Celotex/kingspan. You need at least 75mm of screed on top really - I assume you are screeding..so make it (insulation) as thick as you can.

Yea, even unto digging out the old floor.

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Reply to
The Natural Philosopher

Ok, thanks. The riskiness factor has increased a bit, so the DIY part may wither.

Reply to
seani

Oh,.. its not risky at all.

The only hateful part is the screeding..

Reply to
The Natural Philosopher

Have you considered the option of kickspace heaters?

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Reply to
Chris J Dixon

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