Different shade of screed

Discussion in 'Subfloor Preparation' started by Scf, Aug 27, 2019.

  1. Scf

    Scf Well-Known Member

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    Why do you reckon this screed is a different shade? It seems flat enough for laminate but dont know why the colour difference. View attachment 10587
     
  2. Paul webb

    Paul webb Well-Known Member

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    What was the subfloor?
     
  3. Paul webb

    Paul webb Well-Known Member

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    And what screed?
     
  4. Spacey

    Spacey Super Moderator Staff Member

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    Sometimes you can lay 2 units of exatly the same gear mixed exactly the same way and it dries slightly different colours It could also be how evenly the subfloor was primed
    Aslong as its sound bonded and dry it shouldn't be anything to worry about
     
  5. Scf

    Scf Well-Known Member

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    Right o.k, thanks.
     
  6. Scf

    Scf Well-Known Member

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    Ardex k39
     
  7. mjfl

    mjfl Well-Known Member

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    was that area your first bucket?
     
  8. Scf

    Scf Well-Known Member

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  9. Paul webb

    Paul webb Well-Known Member

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    Possibly just slightly more water in that mix,although I use one, i think it was an ultra one and different bags were completely different colours
     
  10. Scf

    Scf Well-Known Member

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    No, maybe 3rd/4th. Theres the subfloor.
     
  11. Paul webb

    Paul webb Well-Known Member

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  12. mjfl

    mjfl Well-Known Member

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    may just be the case of not mixing it as much? could be a multitude of different things. As someone said as long as not cracking or and it's no different to the rest of it apart from the colour then I wouldn't worry too much especially if you're floating a floor on it.
     
  13. Scf

    Scf Well-Known Member

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    Looks it in the pic but it shouldnt be, thats had about 3/4 weeks.
     
  14. Rugmunching

    Rugmunching Well-Known Member

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    I get this with k39 aswell
     
  15. Scf

    Scf Well-Known Member

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    Was getting worried because ive never had it before, cheers
     
  16. Rugmunching

    Rugmunching Well-Known Member

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    Was the floor damp tested?
    Old or new subfloor?
     
  17. Scf

    Scf Well-Known Member

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    Maybe its just the k39 then, like i said its flat but thought id check if i was missing something.
     
  18. Scf

    Scf Well-Known Member

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    Be honest it wasnt but the new floor has been down atleast 9 months now.
     
  19. Spacey

    Spacey Super Moderator Staff Member

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    It's not just ke49 can happen with any compound
    It's chemistry and many different variants that are hard to or out of our control
    Where not working in laboratory conditions so nothing will ever be 100% perfect everytime
     
  20. Scf

    Scf Well-Known Member

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    Minds at rest now, thanks for the advice.
     

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