Various UFH questions...

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HotJambalaya

Original Poster:

2,025 posts

180 months

Sunday 19th April 2015
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So still working on this pesky flat refurb, and suddenly thought of UFH, in part because of all the terrible surface piped rads all over the place. Flat is 2 bed, 1 full bath and a half bath that I'm converting to shower room. Am also currently ripping out the kitchen.

Existing heating and hot water is gas combi boiler brand new, and about to be plumbed in. Flat is on the 4th floor, and concrete doesn't appear to be thick between floors ( I was advised not to channel into floors for a waste pipe from a shower but to fit a saniflow for example)

For now, the only floors that are coming up are the 2 bathrooms and the kitchen. Both bathrooms are internal with no windows, and the flat is double glazed. The rest of the flat is covered in cheap laminate.

1) I'm interested in putting in electric UFH into the bathrooms and the kitchen for now. In perhaps 1 year, max 2 years, I think I'll rip up the laminate and put a nicer floor down, and would want to add UFH to the rest of it. Would this plan work? will I be able to tie them together as one system?

2) any ideas on what system to go for? I've seen this one here but I'm assuming thats wet, which I'm not particularly interested in. I've seen this sort of thing http://www.bathstore.com/products/warm-stretch-mat... from bathstore etc, but dont know if thats for actual warmth or for just warm feet.

3) The previous UFH thread I read here spent a lot of time talking about insulation under the UFH mats. I'm not particularly up for that since I have to try maintaining a level with the rest of the flat so want something that I can plonk down and tile over. Any issues?

4) Could I leave the bathroom towel rails plumbed in and have the UFH in those rooms controlled by a spur, and when I complete the rest of the flat have it all integrated and controlled by whatever heating control these things use? If not, it might be a bit messy having one heating control for the boiler and rads, and a separate one for the UFH of 3 rooms? These mats look pretty cheap, I could just chuck them under, not connect them yet, and just add to the system later? The main thing is to just stick it down while the floors are up.

Hope that makes sense to everyone, have never delt with this stuff before!

EggsBenedict

1,770 posts

174 months

Monday 20th April 2015
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I've found these guys helpful:

http://comfortwarmfloors.com/

Not connected at all, just bought 2 lots of leccy UFH from them, and they'll walk you through the options and deliver quickly.

HotJambalaya

Original Poster:

2,025 posts

180 months

Monday 20th April 2015
quotequote all
EggsBenedict said:
I've found these guys helpful:

http://comfortwarmfloors.com/

Not connected at all, just bought 2 lots of leccy UFH from them, and they'll walk you through the options and deliver quickly.
Thanks, spoke to him, very helpful guy!

Got a ballpark quote of about £1k for materials for about 9sqm which seems high-ish to me though? when I do the rest of the flat I'd have an £8k bill waiting for me...

EggsBenedict

1,770 posts

174 months

Monday 20th April 2015
quotequote all
Dunno....

My two bits were in a boot room, which was about 2m x 2m, and a bathroom which I only needed 1m x 2m. I don't think that was north of £500.

i don't know which system you were quoted, the boot room for me was a single wire, and the bathroom was a mat. Bootroom was stapled to celotex and embedded in screed, batroom will be embedded in latex. The foil system they sell has to sit on a mat thing, which maybe expensive, but then again, no good for bathrooms anyway because it has no earth.

He probably said this, but don't heat under furniture or kitchen units and so on - so when you measure up, exclude those areas - it's not as simple as measure room, buy stuff.