Best screed over ceramics ?

Discussion in 'Subfloor Preparation' started by Rugs, Jan 18, 2014.

  1. Rugs

    Rugs Active Member

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    I'm sorry if this one has come up before i did a quick search but didn't see it.

    I'm LVT'ing a kitchen diner with existing ceramic tiles down, i'm gonna prime and screed, i've always used NA but i have recently had a few 'dodgy' bags that have gone off before pouring which is hugely annoying.

    Obviously its gotta be latex based and not water based, and i will assume it needs a low newton strength.

    What do you fellas all use? 1200 is supposed to be pretty good?


    And while i'm here i've always lived by HT glue for tiles and PS glue for planks - what's the general consensus
     
  2. coolevilangel

    coolevilangel Well-Known Member

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    no reason why you cant use a water based sreed in your situation fella
    PS wins everytime, with the exception to sunlit areas
    I was exactly like you, HT all the way until a good mate badgered me to death a few yrs ago to switch to ps lol
    Cheers Dazlight
     
  3. coolevilangel

    coolevilangel Well-Known Member

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    Can i ask your reasoning behind the thinking?
     
  4. merit

    merit Well-Known Member

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    Is the subfloor concrete or wood?
     
  5. bournemouth

    bournemouth Super Moderator

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    On ceramics I would go ardex na balls 1200 or a flexy screed 95 % of the time I go with a good coat of level flex ( balls 700 say you cant use on ceramics ) then a nice buff off and then a coat of balls 500 micro then lvt stuck in f46 ps
     
  6. Rugs

    Rugs Active Member

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    Well water based always set rock hard. Latex based are a bit softer - did I wrongly assume this would be more flexible ?

    It could be a game of half the room has a wood sub floor and the extension in concrete. But I would like to assume that it's all concrete from the sound and feel of the tiles

    Balls 46 is a glue I like personally, there's a guy I work for won't use it he will only use amtico glue =|
     
  7. G.W Flooring

    G.W Flooring Well-Known Member

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    I've always used NA and never had a problem. But am starting to use 1200 a lot more as of late.

    PS all the way for me unless the pesky sun likes the room.
     
  8. merit

    merit Well-Known Member

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    I would probably use a flexable screed then like renovation
     
  9. coolevilangel

    coolevilangel Well-Known Member

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    There is no '1 solution for every situation' anymore, the more info we have on the floor/room/conditions etc the more precise the materials we can use etc
    if floor is a concrete floor, then a latex mix would be safer due to the fact if there ever was a moisture issue then a latex mix would fair better than a water mix every time.
    1200 is really good gear for what it is
    Make sure all the tiles are solid and de-grease, then your good to go
     
  10. merit

    merit Well-Known Member

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    1200 is top stuff, probably be best off with that if it is solid underneath
     
  11. Carpetfingers

    Carpetfingers Well-Known Member

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    I used 700 over ceramics half chipboard half concrete then lvt no problem.
     
  12. hobbit

    hobbit Well-Known Member

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    I have used 1200 over ceramics and consider it to be great, does what it says on the tin.
    Pours lovely, working time if you not experienced with self leveling might be a little short for some
    Esp if the day is hot and the is beaming through the window.
     
  13. Trimmer

    Trimmer Well-Known Member

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    Used green bag and 114 loads of times in the past over ceramics
     
  14. Hereward Carpets

    Hereward Carpets Member

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    Can I ask what people use to de-grease ceramics before using 1200? STYCCOCLEAN C140 ??
    Cheers
    Mark
     
  15. pf flooring

    pf flooring Well-Known Member

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    sugarsoap mixed with water in a old cleaned primer/latex bottle with a couple of drops of red/green/blue food dye for good measure to give it that expensive look, chip as chips and can turn a decent profit on it on your jobs.
     
  16. DM Flooring

    DM Flooring Well-Known Member

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    Like that idea.
     
  17. Spacey

    Spacey Super Moderator Staff Member

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    Ha ha ha
     
  18. Pigsarse

    Pigsarse Well-Known Member

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    Love it
     

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