under floor heating

Underfloor heating and cooling is a form of central heating and cooling that achieves indoor climate control for thermal comfort using hydronic or electrical heating elements embedded in a floor. Heating is achieved by conduction, radiation and convection. Use of underfloor heating dates back to the Neoglacial and Neolithic periods.

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  1. CJ

    Piped Under Floor Heating Question

    This is just a general question? Not a job I will be doing, as it is too far away from me, but I am just picking at your brains. Barn conversion, done in the 80's, concrete slab over god knows insulation?? 30x20 (ish) batons laid on floor (not sure if fixed or loose laid) then tongue/groove...
  2. R

    New screed with under floor heating

    Good afternoon. Just a quick question regarding the use of ditra Matt on fresh screed with underfloor heating. What is the general feeling with regards to this, would you be using ditra matting on fresh screed with under floor in the screed. The tiles will either be porcelain or ceramic. Many...
  3. B

    Tiling on wet under floor heating

    Hi, need a bit of advise for a up coming job. It is a large kitchen floor, timber floor boards. Plumber has installed warm water under floor heating that works off the boiler. Plastic pipe that fits into a insulation board with a foil top, which is screwed to the floor. My concern is the...
  4. R

    Under Floor Heating on New Screed

    Good morning I'm after a bit of advise if possible please. Went to see a job, newly built conservatory about 30m2 floor area. The customer was going to have wet UFH built into the screed initially but has since decided against this for one reason or another. She does however want electric...
  5. R

    Under floor heating advice please.

    Good morning. I'm after a little advice if possible please. I've read some other threads regarding the commissioning of under floor heating. I'm trying to get my head around it so I apologies at the start. I'm due to tile a large area which has under floor heating encased in 65mm sand and cement...
  6. D

    Wet under floor heating and tiles

    Hi Chaps Just popped over from the plumbers forum, on 1 of my extensions i"ve got wet underfloor heating down and the floor was tiled last thursday/friday how long do i need to leave the underfloor off i forgot to ask the tiler when i was there. Tiles are 600x600 porcelain Thanks
  7. S

    warm up under floor heating

    hi need some advice. the tilers have said that they have to put a self leveller over the warm up underfloor heating and then the flexi adhesive over the self leveller is this correct or not cause on the box it says flexi adhesive straight over the wire. can any of you guys help with some advice...
  8. P

    Under floor heating on suspended wood floor

    Hi folks I've got a suspended wood floor in my kitchen that currently has tiles on 6mm ply on top of the floor boards. I'm pulling the tiles up cos they're old and lots are broken and want to put electric under floor heating down then slate tiles. I've been reading and know the ideal would be...
  9. H

    Hairline cracks on floor tiles over under floor heating

    Hi, Not sure if this is in the right section, but here goes. I had to visit a customers house yesterday, 50 x 50cm porc floor tiles supplied by us, fitted by tiler (not connected to us). Tiles fitted in May 2011, problem became apparent after a few months. Tiles on floor in what was understairs...
  10. L

    wet under floor heating???

    Hi all Currently talking to a customer through emails regarding a bathroom he wants tiling, he's been asking me questions regarding best prep for travertine etc. He has told me he has installed wet ufh which i have no experience of. Here is what he's writen in regard to floor: We have had...
  11. L

    Under floor Heating

    Need some advice regarding under floor heating. Am doing a downstairs toilet, the customers wanted a rad put in, but to run piping in there would be a nightmare, they have come up with under floor heating ,it has a solid floor which is tiled at present,the tiles are very solid,and feel it would...
  12. S

    Under Floor Heating on Marley tiles - That's a Hot One!

    I need suggestions on your approach in tiling over Marley tiles (80s). The customer wants U.F.H. Here is the situation: There was no mentioning of UFH until I nearly finished prepping the floor with Multibase (main substrate is screed). The floor was nasty, and managed to smooth it out...
  13. C

    the order of under floor heating

    Hi Guys and Girls, I am about to commence a first floor bathroom floor and the client wishes for ufh. So out with the laminate, out with the knackered floor boards, in with the reinforcing joists and 18ml ply then.... would it best be decoupling membrane then ufh mat then tiles ? Also the sensor...
  14. I

    Under floor heating mat on chipboard floor

    Hi folks, Got a job in a couple of weeks where the customer wants under floor heating. Just wanted to know what best practice and materials are for this job ie, ply, then mat, then a flex slc over, then tile with flex adhesive/ grout etc. Substrate is 22mm chip board screwed to joists, tiles...
  15. J

    Water Under Floor Heating Tanking

    Hi Lads, Been looking at this forum all day, there's so much info on wetrooms here, it's a full time job trying to get through it...great resource though! I was looking at installing a devimat over a tilesafe tanking kit / impey shower former and stumbled across these low profile water based...
  16. D

    under floor heating on ditra mat

    Hi Is it ok to lay ufh over the top of detra mat
  17. J

    Tiling over under floor heating (Devimat)

    Hi Guy's Having put down a devimat on a concrete bathroom floor, do I need to 1. cover the mat in a self leveling compound to give me a smooth level base to work off. 2. Just apply the adhesive to the mat, then lay the tile 3. Apply the adhesive to the back of the tile only, to prevent...
  18. T

    cracked tile over under floor heating

    Hi, I´ve been asked to replace a porcelain tile on the bathroom floor of my boss´ house, problem is he has under floor heating. Was only mentioned to me on my way out of the office this evening so I didn´t get much info from him. My main question is what precautions should be taken in general...
  19. P

    Sealing Slate with Under Floor Heating

    Please Help - I'm looking for a sealer to give a high gloss finish to a slate floor which has under floor heating. I'm worried about the sealer cracking or splitting when the floor warms up - Does anyone have any ideas?
  20. T

    under floor heating problem

    laid a marble floor a few months back ,the plumber installed the heat mat and latexed the floor ,although the floor is heating up there is not a consistent distribution of heat ,the start of the mat is not as warm as the rest,marble laid on solid bed of adhesive with wedi boards below?
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