ufh

  1. R

    Wet UFH to screed or not to screed ?

    I want to get a wet UFH installed in my house ( just over the ground floor) - which now has concrete floor and laminate flooring. No extension or anything, just retrofitting wet UFH ( hate my radiators!) 1 - Which UFH to go for ? with screed or without screed, and what difference does it make ...
  2. O

    6mm insulation board under hardierbacker for UFH?

    Hi - This is my first post so i should start by saying thanks for all the info i have got from this site in the past years. I have bought electric UFH mats along with 6mm insulation boards. I am looking to tile my 4m bathroom floor which has t&g wooden floor. I will screw this down but looking...
  3. R

    waterpoofing on concrete floors with underfloor heating

    Situation is bathroom with shower cubicle. Off the shelf shower tray (stone resin?) 170 x 80cm. Two shower walls are in finish plaster on brick, 3rd wall will be glass onto tray base. Remaing side will be open with no door. Floor is concrete, with prowarm insulation boards (waterproof they say)+...
  4. B

    wundafloorheating..co.uk - question

    hi all , been asked to quote for 800x800 porcs on wundafloor underfloor heating - eps 400 . seems to be a 25mm pipe in a insulation board which you then tile straight onto with no laytexing over required as the pipe sits tight into a channel . anyone come across this too of ufh and any advice...
  5. P

    Thermostat explanation required - Please help me

    Hi, I have a boiler in the garage with radiators installed and I am planning to add a separate thermostat/programmer to enable in house operation. I am soon to be adding a wet underfloor heating system with a 5 port manifold within an extension that will also run off the same boiler. I...
  6. M

    Dural Durabase CI FH Decoupling UFH - Anyone used it.

    Hi All Snow day for me today so doing some research into a job thats coming up. It 30m2 with 12 m2 UFH. Till now I have always used pro warm backboards with UFH and a layer of SLC over the top but this seems to be going out of fashion and is rather costly. Been looking into UFH membranes and...
  7. Del W

    In your opinion, best electric ufh for 45 sqm.

    Hello, looking for recommendations for the most suitable system for 45 sqm. Base is part screed part concrete. Tiles are porcelain 600 x 300. Customer wants 3 zones, kitchen, living room,dining room. All three areas can be counted as one area, ie no doorways involved. Zone sizes are, 8 sqm, 17...
  8. somerset77

    UFH under limestone tiles advice

    We are going to lay limestone, 15mm in the kitchen 40m2 on a concrete floor. What is the best way to do UFH? Initially we looked at using warmup sticky matts with 10mm insulation boards and then flex adhesive for the tiles . In reading this forum i understand there is still a risk of cracked...
  9. A

    Is this the right way to lay UFH in a wetroom

    Hello everyone. My builder is going to lay my electric UFH today and I want to check he’s doing it right. I’m having a wet room made, so the chipboard floor has been replaced with 18mm plywood and then ditra mat on top. The shower former is a Tough-X designed to rest directly on joists (The...
  10. C

    BAL UFH with supercover Bal

    Active Member Hi all scenario is, 40mtr concrete floor warm-up ufh 150w then self levelled, all tiled with 600x300 porcelain tiles, not a prob, here's where the problem is it's all tiled with around 15mm gap all around the edge awaiting skirting only to discover it's been put down with Bal...
  11. C

    BAL Bal supercover adhesive on UFH

    Hi all scenario is, 40mtr concrete floor warm-up ufh 150w then self levelled, all tiled with 600x300 porcelain tiles, not a prob here's where the problem is it's all tiled with around 15mm gap all around the edge awaiting skirting only to discover it's been put down with Bal supercover (not...
  12. O

    Electric UFH in a shower tray?

    As above, can or should you put UFH in a shower tray. The plumber that I am working for has a customer who wants to run the UFH from the rest of the bathroom floor into the shower tray(and tile on top) I have done one before,many moons ago. But it still leaves me a little nervous,regarding the...
  13. G

    Topps tile ufh and hardiebacker

    on a job at the moment and having a conversation with guy I’m subbing to about order of fixing. Weyrock boarded floor. They want to go 6mm insulation Warmup mat ufh Slc Dural decouple Tile. They also have hardiebacker boards on site What would you guys recommend
  14. Lakey

    Wetroom tray & UFH?!

    Evening folks I am about to tile a bathroom floor inc, Impey wetroom tray & UFH. The work up until now has been carried out by someone else and this is where its at. The floor at present is standard chipboard with the tray being approx 2-3mm proud. I need to run the loose lay cable UFH and...
  15. J

    Once tiled, how long before turning on ufh

    hi, I’m close now to finishing of the tiling in my kitchen with porcelain tiles. I am looking for some advice on when it would be safe to be able to switch the ufh back on. I have used a Topps Tiles flexible rapid set adhesive but there is no guideline for when to switch the ufh back on after...
  16. P

    Looking for advice on tiling over UFH

    Dear Experts! Here's a homeowner looking for advice about a home renovation project. It's a mid-terrace property built in the 70's, located in southeast London. I'm planning to retrofit wet UFH to the whole ground floor and laying procelain / ceramic tiles on top. There are two rooms to be...
  17. J

    Porcelain on ufh sand n cement screed

    Hi, I’m struggling on finding enough info about porcelain tiles being laid straight on screed with ufh. The underfloor heating has currently been running for about 6-8 weeks at no more than 20 degrees. A few cracks have appeared over that time. I was hoping to now uni bond the floor and lay...
  18. S

    120 x 240cm Porcelain tiles over suspended floor (and UFH)

    Hi All, I urgently need some advice and not sure where to turn. We are having some major renovations in our house which includes an large open area 15m x 10m which would include the kitchen, living and dining room. The whole house (apart from the loft conversion) would be fitted with a wet UFH...
  19. B

    Correct build-up of subfloor for UFH + engineered herringbone planks?

    Hi all :handwaving: I realise this is a tiling forum, but I'm guessing some of you lay wood too ;) Does this look right? Joists > 18mm/25mm ply > 6mm UFH insulation boards > electric UFH > SLC > engineered herringbone planks. Also, is there any requirement to stick the herringbone down, or...
  20. Sean Kelly

    Screed & wet UFH issues.

    I went to see a floor on Saturday. Roughly 12sqm of screed with wet UFH in a ground floor extension. The screed went down last week. The surface of the screed was very rough and I could scrape up parts of it into my hand (very sandy). I could see and feel spongy insulation, as some of it was...

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