Screed Mix Ratios

Discussion in 'Builders' Talk' started by J.P., Jan 18, 2013.

  1. J.P.

    J.P. New Member

    Evening guys. I am going to screed my extension floor and was wondering what sharp to OPC ratio to use. 3 sharp to 1 OPC, or 4 sharp to 1 OPC? Also any additives needed? I am going to use fibres in the mix, but was wondering about additives also. Thanks guys.
     
  2. petertheplumber

    petertheplumber New Member

    I am no pro builder but when I used to help a builder the mix was always 3 sharp 1 OPC with no additive.
     
  3. J.P.

    J.P. New Member

    Thanks Pete.. I will use 3 -1.
     
  4. nearnwales

    nearnwales Member

    3-1 or 4-1 is fine make sure you seal the concrete first with pva or better still sbr.also wear over pants as the burn it great ..once floated run a steel trowel over it.
     
  5. J.P.

    J.P. New Member

    Thanks Nearnwales
     

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