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screed

  1. A

    Screed \ Under floor heating advice

    Hi, We have had a screed (anyhdrite) with wet underfloor heating put down recently. After a few weeks they turned on the heating and then after a few days a small dark spot appeared, this grew in size to a 10cm elongated circle. There is metal pipe coupling directly below. We suspected a leak...
  2. C

    Floating Screed

    Hello, My first post: I was wondering if anybody can give me some opinions on this forum. I have recently purchased a house in Luxembourg. I have tried to contact local professionals but I was not able to get a satisfactory answer from any of them. I am installing a walk in shower on the top...
  3. I

    Porcelain floor tiles direct to screed on wet UFH without DITRA

    Hi Guys, I had my kitchen floor tiled a few weeks back. The floor is a screed slab of approx. 24m2 over wet UFH pipes clipped to Celotex. This screed was “hand mixed” vs ready mixed off of a truck and laid around 100 days ago of a thickness of 60mm. Around 45 days ago the UFH was commissioned...
  4. F

    Timber to screed with limestone

    I’ve got a timber to concrete floor to do. I haven’t done one for ages and when I did it was on the request of the builder so the responsibility was on him. This one though is for an old couple who have picked a 20mm limestone to be laid random bond across the joint so I don’t have the luxury of...
  5. B

    UFH screed showing few cracks, is Ditra Mat essential ??

    Hi need advice. We had the wet UFH done topped with screed. Been a month since the screed was done. Cracks have appeared at a few places. Is putting Ditra Mat absolutely essential ?? Will it affect the heat coming up from the UFH ?? Do the cracks need to be fixed ?? Thanks
  6. O

    Pictures Floor Screed Air Bubbles

    Hi, we've had a builder come out and put in a Longfloor screed to level a room by about 40mm. Two weeks later we've seen a lot of bubbling come up through the screen but unsure if this is an issue? We're looking to put down Amtico flooring once the screed has dried out but trying to ascertain...
  7. M

    Preparation Tiling and debonding on anhydrate screed

    Hello I have a gupsum based anhydrate screed it’s been laid for 7 months and The latienced removed. It has wet UFH already commissioned a few months ago. First question Do I have to install a debonding mat? Secondly. I will use the anhyfix adhesive but will need to do a wet room is there a...
  8. macten

    Pictures My big plank job - cement based screed

    It's been a couple of weeks of hard graft and I'm glad it's over. Forget the name but it was a Tarmac cement based screed. Nice and flat, first big pour that I've encountered that actually had movement joints built in. When I first went to look they had been back to repair one crack. There was...
  9. P

    Pictures Preparing floor for tiling after relocating plumbing

    Hello everyone! I am desperately trying to come up with an idea how to repair bathroom and kitchen floor. Floor slab on the ground floor in our house was constructed 10 years ago, finished with 4cm screed and prepared for tiles/hardwood flooring. We only had our windows installed and it was...
  10. judge

    Cement based liquid screed

    Evening all,does anyone know the % reading you need to tile onto cement liquid screed using a hair hygrometer ? Virtually all my floors in the near future are going to be cement based.this is probably aimed at Alan jackson(are you out there pal??)
  11. D

    Priming Anhydrite screed

    Hi folks, I’m just about to start tiling the ground floor of my house with Limestone tiles, the area is around 80m2. The floor has a anhydride screed which I have recently sanded and hoovered. I planned to prime the area with neat ROCATEX acrylic primer twice before I lay my decoupling mat. I...
  12. Leader

    Floor screed

    Hi Guys Hoping some of you can give me some advice on a job i have booked in for kitchen floor tiling. The customer floor has had a self leveling compound (Mapei Restoration)laid down over the top of bitumen. Few concerns i have is that on part of the floor a hole has appeared around 100mm in...
  13. M

    How soon before I can lay tiles on a screed floor with UFH?

    I was hoping someone may be able to advise me on when we can lay down our tiles. We poured a 60mm screed on February 14th with wet underfloor heating set inside. After a waiting several weeks we tuned on the heating and have been waiting for the floor to be dry enough to lay down the ceramic...
  14. GrayD

    Water UFH New screed down - trying to figure tiling out approach!

    Hi all, I'm new to the forum but have read many posts over the past year as I have created and tiled a wet room and also created and tiled a bathroom in my house that we are renovating. I've also tiled our utility room too. Thanks for all the tips & tricks I learned! So, I'm ok with tiling...
  15. E

    Mapei Mapei renovation screed primer

    Hey guys I've got a new, tampered concrete floor. Not sure if I need primer before applying Mapei Renovation Screed If yes, I've got a ton of SBR. Will this work? The screed will be containing UFH pipes. Thanks ES
  16. R

    Prep for screed that's 2 years old

    Hi, We have a Gyvlon screeded floor that was laid over 2 years ago. We've finally got round to tiling it. It's got wet underfloor heating. It had all the laitence cleand off, just after laying. As we have been using the room, there is going to be some dust, dirt, grease etc etc on the...
  17. jcrtiling

    Opinions , 20mm screed removal

    I've been to look at a screed part of which is 20mm higher than the rest . Easy option screed up , but that's going to take £700 of levelling . So options I see . Grind it , score/cut into sections with disc cutter and kango or take that piece of screed right out . Any bright ideas and options...
  18. W

    Water UFH Commissioning UFH, cracked screed, large tiles, help

    Hello. I'd appreciate it if you guys could help me out here; I've been reading as many threads as I could on the matter over the last few days here and while I think I have a fair understanding of things, I'd like to provide the specifics of my situation. I have a 68 sqm apartment in which UFH...
  19. J

    Screed prep for tiles

    I have an area of 35msq to tile using 440mm sq Porcelain tiles. Kitchen, utility, shower room, lobby and porch. Screeded in Jan 2018 is traditional off the back of a lorry, barrowed in with fibre. There is paint on the screed off the walls and a few other marks as well. So mainly round the edge...
  20. 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...
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