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Discuss Is there a visual difference between the different types of screed in the Adhesive and Grout Forum area at TilersForums.co.uk.

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  1. RWoods

    RWoods Active Member

    Location:
    Hamphire
    My new laid screed floor has been down for 4 months and from reading up I probably need to seal it prior to tiling.

    Unfortunately I cannot get hold of the builder to find out whether it was a cement screed or flow/anhydrite type screed. Is there a visual way to tell (ie color/finish) that would let me know what was used?.

    Or is there some kind of universal sealer that would work with either type.

    I have been recommended Kerakoll Biogel for the adhesive if that makes a difference and the tiles are wood effect 120x20 porcelain.
     
  2. hmtiling

    hmtiling Trusted Advisor Professional Tiler JOTM Winner

    Location:
    Isle of Wight
    Post some pictures of the screed.
    Have you checked how level it is? If it's perfectly level chances are it's anhydrite
     
  3. jcrtiling

    jcrtiling Professional Tiler TTA Member

    Location:
    Salisbury
    Only if you know who did it
    I've been to a couple of dodgy ones
     
    • Agree Agree x 1
  4. Cranbrook

    Cranbrook TilersForums.co.uk Addict

  5. RWoods

    RWoods Active Member

    Location:
    Hamphire
    pics attached. It looks pretty level throughtout.

    IMG_4231.JPG IMG_4232.JPG
     
  6. jimthetiler

    jimthetiler Active Member

    that looks like a sand and cement screed.
     
  7. jcrtiling

    jcrtiling Professional Tiler TTA Member

    Location:
    Salisbury
    Sand and cement .
     
    • Like Like x 1
  8. hmtiling

    hmtiling Trusted Advisor Professional Tiler JOTM Winner

    Location:
    Isle of Wight
    As above
     
  9. RWoods

    RWoods Active Member

    Location:
    Hamphire
    So without having to trawl the forums i've 100sqm to seal. Whats recommended for sealing and how long do I have to leave it after?. I plan to use an Idrobuild Tex anti crack mat inbetween tiles and screed and from what Ive seen PVA is a nono.
    Cheers for the help its much appreciated
     
  10. jcrtiling

    jcrtiling Professional Tiler TTA Member

    Location:
    Salisbury
    Mapei primer g is good . 2 coats you will need at least 10 litres . Follow directions on can
     
    • Like Like x 1
  11. RWoods

    RWoods Active Member

    Location:
    Hamphire
    Excellent cheers
     
  12. RWoods

    RWoods Active Member

    Location:
    Hamphire
    Bugger I can't find the time to tile myself. Thought I could swing it with the wife but it's not happening with the new baby.
    I have a tiler I can use and was going to just get the Kerakoll Biogel no limits for him. If he's never used this before would it be safer to just get some flexible tile adhesive or should it just pretty much be the same. He says he can use whatever adhesive I supply. Any advice appreciated. The only reason I was going the Kerakoll way was the shop I bought the tiles from recommended it.
    Cheers
     
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