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Anhydrite screed problem

Discussion in 'Subfloor Preparation' started by JB Flooring, Jul 3, 2018.

  1. Braz

    Braz Member

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    Grinder my first slab today 40sqm what am nightmare a lot tougher than what I thought. I used and SDR with a diamond head on. It’s really wet underneath so left all windows open slightly. Hopefully should be dry for the weekend.
    When it come to screeding what do you guys recommend I’ve looked at Uzin 110 but it is quite expensive, any cheaper options? Cheers
     

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    Braz, Jul 14, 2020
    #21
  2. Spacey

    Spacey Super Moderator Staff Member

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    PE360 primer 2 coats 2-1 then a neat coat then 110 It flow like a dream
     
    Spacey, Jul 14, 2020
    #22
  3. Braz

    Braz Member

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    will it be ok using amtico ht extra on the 110 heard bad things about using ht on gypsum?
     
    Braz, Jul 14, 2020
    #23
  4. mjfl

    mjfl Well-Known Member

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    How long has it been down?
     
    mjfl, Jul 14, 2020
    #24
  5. Spacey

    Spacey Super Moderator Staff Member

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    I'd use use ke66

    At 3mm leave for 20 hrs min any thicker its another 20 hours per mm
     
    Spacey, Jul 14, 2020
    #25
  6. merit

    merit Well-Known Member

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    Shonox VD and ap or apf
    I don’t think gypsum is strong enough for lvt and HT adhesive. Think it will sheer if it starts to move. The stuff is awful. Should really have some type of overlay system.


    Sent from my iPhone using Tapatalk
     
    merit, Jul 14, 2020
    #26
  7. Distinctive Adam

    Distinctive Adam Well-Known Member

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    Murexin ca20 is on offer at £15 per bag, same specs as 110 c30, f7 6sq per bag.
     
    Distinctive Adam, Jul 15, 2020
    #27
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