Bulking out aggregates

Discussion in 'Subfloor Preparation' started by Scf, Feb 22, 2021.

  1. Scf

    Scf Well-Known Member

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    Whats everyone using to bulk out screed?
    I use non branded one from my local supplier, around £7 per bag.
    Anyone use grano or limestone from builders merchants?
     
  2. merit

    merit Well-Known Member

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    Fball aggregate from cfs


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  3. Neilydun

    Neilydun Well-Known Member

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    Same. Thats all i`ve ever used.
     
  4. Rugmunching

    Rugmunching Well-Known Member

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    Same here, sacks of aggregate from the suppliers
     
  5. dazlight

    dazlight Super Moderator

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    [​IMG]

    Been told this is the same gear and a lot cheaper


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  6. Neilydun

    Neilydun Well-Known Member

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    Looks like a good saving, if it is the same. Ive used loads over the past few months.
     
  7. dazlight

    dazlight Super Moderator

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    I’m going to buy some tomorrow. Look at the pic and look at the fball one I used today.
     
  8. dazlight

    dazlight Super Moderator

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    [​IMG]


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  9. dazlight

    dazlight Super Moderator

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    [​IMG]


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  10. Glenn H

    Glenn H Well-Known Member

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    Handy info
     
  11. Neilydun

    Neilydun Well-Known Member

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    Bet its even cheaper by the ton bag....
     
  12. Scf

    Scf Well-Known Member

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    Used some today. £3 per 25kg from Hughes gray looks exactly the same but a lot wetter obviously. Does anyone have problems with drying times using the builders one?
     
  13. Spacey

    Spacey Super Moderator Staff Member

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    Don't use wet material Needs to be a dry product
     
  14. Scf

    Scf Well-Known Member

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    For drying times or other reasons?
     
  15. Spacey

    Spacey Super Moderator Staff Member

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    It can extend the Drying time by days a also weaken the screed and you sometimes get a dirty brown discolouration which doesn't look a pleasant finish
     
  16. Spacey

    Spacey Super Moderator Staff Member

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    I normally just used kiln dreid sand if to bulk up over the recommended depth by a few mm or so or use a deep base screed it's easier
     
  17. Floorever

    Floorever Well-Known Member

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    With the extra moisture you’re basically watering down the screed
     
  18. Scf

    Scf Well-Known Member

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    Right o.k.
    Needed 20mm and used na with the chippings. Its obviously not the right thing to use but has anyone had any problems with these aggregates?
     
  19. Neilydun

    Neilydun Well-Known Member

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    I guess thats why the Fballs ones say, must be reweighed before use. Due to water content when bagged ?
     

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