self levelling

  1. A

    Self levelling over bitumen

    So I may have done an oopsie. We are putting self-levelling compound down over floor where I removed the vinyl tiles. Some of the tiles had a white powder which had pushed them up. This is a concrete ground floor with no basement. So my plan was to seal over the bitumen and then put self...
  2. D

    Self levelling prior to UFH

    I’m nearly there with a bathroom tiling Project and managed to make it this far before getting stumped! I’ve got Marmox insulation board to lay beneath Warmup DCM-Pro mat. I had planned to use the fleece backed mat with adhesive but I can’t find the mat in the uk. So I’ll have to use the self...
  3. D

    Latex self levelling on Dpm

    Hello l’m doing up a cottage in Dorset. I’m moving the kitchen into a ‘60’s built extension. It’s got a concrete slab and tho it doesn’t seem damp I can’t see any dpm. After talking to Everbuild/Sika’s technical department I’ve used their 908 Blackjack as a dpm with Sika latex levelling compound...
  4. C

    Self levelling compound on top of 100mm insulation

    Will this work? (top to bottom) tiling (one room), 12mm laminate (other room) 19mm T&G chipboard self levelling compound 100mm Kingspan insulation (joints and edges sealed so self levelling does not run below insulation. concrete slab (not level)...
  5. V

    How smooth should floor be before laying?

    How smooth does the floor surface need to be before laying porcelain tiles? I have removed tiles and theres bits of adhesive stuck to the floor causing small bumps, theres a few pits too. Can I lay tiles straight over this?
  6. H

    Chipboard and levelling?

    Hi all, I have a small WC about 2m2. I realise now, that I should have taken up the Chipboard floor, levelled the joist and replaced with Ply. However, I went ahead and fitted and levelled the concealed toilet and have burned too much time to rip it all out. I realised, that the floor was not...
  7. F

    product question- self levelling compound over fresh concrete

    Hi Does any one know of a self levelling compound, for external use that can be applied on 7 day old concrete? I know for adhesive BAL do the green screed and am looking for something to work with this. Thanks
  8. T

    Self Levelling Query.

    Hi All, Doing an install at the moment which requires me to self level in two stages. I have put leveller over leveller in the past (priming between coats) and not thought much of it. However today I had a query and decided to call the manufacturers technical team and to my surprise they told...
  9. S

    Levelling a DPM floor?

    Good morning tilers, A neighbour has recently asked me to look at tiling the floor in his garden room. The screed is incredibly rough and will need levelling first - the problem is he has already gone over it with a DPM (liquid I think). This is a new problem for me and I'm not sure how/if...
  10. D

    Self Levelling Compound Has Hairline Cracks After Walking Over It. 20mm Insulation?

    Hi everyone, Hope to get some help and advice please. I have laid down 8mm of self levelling compound on a concrete floor after priming it so it was a good level to work off (I also included an 8mm expansion joint around the perimeter) (Conservatory is 15 years old and area of 14 m2). I then...
  11. C

    Self levelling over UFH mats - how to get it flat?

    Hi, I'm tiling my 12m^2 conservatory - Concrete base, Self levelled, 20mm Jackoboards, Prowarm mat, self levelling compound, then 600mm square porcelain tiles. So far I have self levelled the base, and stuck the jackoboards down - all really nice and flat so far. Now I need to fit the UFH mat...
  12. R

    Self levelling compound dips

    So I used some Mapei self levelling compound in my bathroom, it looks alright to the bare eye, but when checking with a straight edge (length of laminate in this case) there are still dips in the floor. Do I need more slc, or did I do something wrong? It's hard to tell from the pics, but the...
  13. L

    Kitchen Floor tiling on Latex Self Levelling Compound

    Hi all, needed some advice. Can you fit kitchen floor tiles on a surface made level using a latex self levelling compound. Can you tile straight onto the latex levelled surface or would you need to do something else before laying the tiles. I hope i have been clear and if not apologies as this...
  14. C

    External self levelling ideas?

    Morning guys and gals, Anyone used Wickes products for external levelling? Cheers in advance, Chewie
  15. Bopster

    2 part self levelling compound

    had a quote back from a supplier for electric ufh and they’ve included 30 bags/bottles of ultra level it 2 slc. Ive used mapei renovation screed recently, what/if are the benefits of 2 bottle/bag?
  16. R

    Cable raised up through self levelling compound

    Hi all, Firstly I would like to say this forum has a lot of useful content, I’ve found it extremely helpful over the past few weeks as a diy tiler. I’ve installed an electric ufh mat and put down a suitable self levelling compound. The compound is pretty much dry and I’ve noticed in some areas...
  17. S

    Self Levelling Advice On Sunken Quarry Tiles

    Hi Everyone, I was hoping someone could give me some advice for how I can get some floor tiles in my kitchen. I'm in the process of refitting it with help from my father in law. The original floor was vinyl, on top of a mostly crumbled self levelling cement on top of some very unlevel quarry...
  18. D

    priming self levelling compound

    i have used this to level out a bathroom floor (link below) Ultra Level It One Fibre Plus | Topps Tiles - https://www.toppstiles.co.uk/tprod45932/ultra-level-it-one-fibre-plus.html do i need to prime this before tiling ? and if so what ratio.
  19. JordanLincs

    Self Levelling Compound issue (pictures)

    So this is my first time using SLC, it's Mapei ULTRAPLAN 3240. Once I was coming to the end of the mix I notice a sludge at the bottom, I assume because I've mixed too fast *Facepalm. I mixed half a 25kg bag. Any advice would be greatly appreciated. I'm worried the mixed might be too wet now...
  20. S

    Decoupling membrane on self levelling

    Afternoon all, I will be self levelling a 20sqm floor to a depth of 20mm using a flexi levelling compound. My question is, should I fit a decoupling membrane before tiling commences? Thanks in advance, Stu.

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