ufh

  1. S

    Fitting Limestone to new concrete flow screed 80mm, wet UFH and main room is 11m x 5m!

    Hi all, Ive been asked to lay limestone to a new extension, it has a main room 11 x 5m with smaller rooms off. At present no expansion joints in slab and they say they are going to grind 8mm deep joint in middle of room and in doorways! In my mind 8mm won't achieve anything ? I am proposing...
  2. Bopster

    Which electric ufh system

    Looking for recommendations for a job I looked at yesterday, it’l be a high spec kitchen which will be having a tiled floor on the concrete slab. Now although I have installed plenty of electric ufh in kitchens and bathrooms none of them have been this size. It’s all one floor area but would...
  3. R

    Tiling over UFH using a levelling compound onto Marmox Boards

    Hi all, I will be tiling my bathroom this weekend and want to make sure I'm set up to get it all finished by Sunday evening. The existing substrate: 18mm plywood 12.5mm marmox board I'm fitting an electric underfloor heating mat and propose to use a self leveling compound and then tile...
  4. Chris Bogin

    UFH flow valves aren't rising and falling

    Hi all, I have an issue with my UFH that I hope you can help with. We have UFH but have never been 100% sure that it works as it should: the lounge/kitchen (one room) has been fine, but the bedrooms have always been a bit chilly. I've put this down to them being carpeted and it taking longer...
  5. Bopster

    Plastic overlay ufh!!!!

    well that’s not good, kitchen I started this week I was supposed to be installing electric ufh, now the customer has given the job to the plumber who is putting down this crappy plastic system with no room control, just a trv off the heating system!!! As I’m doing the floor tiling looks like i...
  6. N

    Advice needed for limestone tile install

    Hi Everyone I really would like some advice on installing limestone tiles on my kitchen floor. After doing some research (i.e. google and talking to a few tilers) the order of install seems to be: ply, UFH, levelling compound/adhesive, white tile adhesive, limestone tile. Is this the right way...
  7. B

    Which adhesive to the ditra mat on the anhydrite screed with water UFH

    Hi. I have about 55 sqm floor, anhydrite screed laid about 5 years ago with water UFH. Because my house is old, build 1902 on side of the hill and on the clay, I have few crack on floor. One of the first shop where I was looking for tiles, wood effect which I want, was Topptiles. Because crack...
  8. B

    Anyone got their eye on a piece of kit from Santa?

    Wife and kids dont know what to get me for Xmas and it’s my Birthday on Hogmanay so I’ve been hinting!! I’ve been contacted 6 times this year by insurance companies go have a look at failed UFH installs and do paid reports and quote. So I could justify it if continues next year? FLIR ONE Pro...
  9. A

    UFH was not commisioned before tiling. What to do, except praying?

    Hi, the company that installed my UFH omitted to commission it. I found out about this step after tiling was done. I want to take all measures in order to prevent any cracking/lifting, please offer me some advice. Details of my setup: - cement+sand screed laid April 2018 - around 20 sqm...
  10. J

    CTD ultra tile adhesive

    I'm going to be using the ultra rapid set S1 white adhesive now being sold at CTD. can't find a data sheet for it, has anyone got a link to it ? best I can find is the data sheet for the Proflex SP which says: Underfloor Heating (UFH): If UFH is being installed it must be fully commissioned...
  11. T

    Insurance repairs - advice please

    Hi, Advice required please... I had a porcelain tile to kitchen, dining and utility area. A boiler leak meant tiles started lifting and the drying company requested utility area tiles to be removed to aid drying of the screed. Replacement tiles could not found so the whole area has now been...
  12. D

    Tilers getting the blame for ufh burning out .

    Ufh are very quick to blame the tiler for ufh wires burning out due to tenting when sticking down wires with tape but what about this.you may have to enlarge it to see the gap . But my taping is always 100 percent better than that .
  13. S

    Wood 22 UFH system, floor prep and coverings ?

    We are due to start tiling over the Terra Therma Wood 22 UFH heating system. What concerns me is the reflective plates that sit in the routed timber floor boards, they seem to be loose laid..... do you latex over them first or can you use a decoupling membrane direct on to the substate...
  14. Skipp3r

    UFH and latexing pricing.

    Just finished job off where I've had to install UFH mat as well as latex before and after. Normally I charge a nominal fee if it's a small bathroom. But this was a kitchen floor so I want to get a idea what people would charge say per square metre for installation of Devi and latexing. Many...
  15. R

    Sub floor and UFH for upstairs bathroom

    Porcelain floor tiles to go down. Existing floor is floorboards on joists. Was going to put 18mil wbp ply. But seems 6mm No More Ply is a better option (please correct if im wrong). Also seen premat mentioned. Much the same, or is one better than other. Then because of the heating, i wanted to...
  16. E

    Do I need to latex over UFH pipe prior to laying ditra matting?

    Hi all, I have recently had JK Underfloor heating route out my existing screed floor with a 15mm groove to take the underfloor heating pipe. They have done a great job but my tiler is worried about sticking the ditra matting straight over the top without latexing it first to take up any small...
  17. N

    UFH and wood burning stove

    I’m putting in an open plan extension (kitchen, sitting, dining). The extension will be L shaped, but the floor area is about 60 metres square (ceilings are 2800 mm). My question is whether it is sensible to have wet UFH in the kitchen and dining area (40 metres square) and no UFH in sitting...
  18. M

    New UFH screed with a few cracks.

    Hi, thread over the UFH section, it's sort of moved onto prep. Cementainous screed with some cracks. Plan to deal with as below: 1. Sand/hoover/seal? Is the seal bit needed? 2. Fill any cracks I can with Resincoat Epoxy Crack Repair Filler. 3. Kerakoll Idrobuild Tex as uncoupling membrane 4...
  19. F

    UFH floor Tiling Problem

    Hi all, i have got wet UFH in my newly laid kitchen floor(laid in early August and UFH not commisined yet) and also have a adjoining utility area and pantry which doesnt have UFH ( RADS) which i intend to finish all in the same tile. The utility is a concrete floor with 20mm marmox boards on...
  20. H

    Tiling above UFH using 18mm chipboard

    Hi, I have recently installed wet UFH, and put biscuit sand and cement screed on top of this in between joists. Covered this with 18mm toungue and groove chipboard, which is glued and screwed. Plan was to now put down a decoupling membrane, then flexible grout and adhesive tiles. I am looking...

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