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Sealing a sandy concrete garage floor

Discussion in 'Building' started by jamesr36, 9 Oct 2021.

  1. jamesr36

    jamesr36

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    Hello

    Ive got a concrete floor in the garage and its always very dusty. Its basically solid but when I sweep it I get a small pile of soft sand. I assume it wasn't mixed correctly when it went down.

    Any tips on how best to deal with this. I think its too dusty for floor paint.

    Thanks
     
  2. Swwils

    Swwils

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    Hoover and then spray on SBR+.
     
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  4. jamesr36

    jamesr36

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    Okay thanks. I will try that.
     
  5. noseall

    noseall

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    Not especially. If water is allowed to form on the surface of tamped concrete, and that surface is allowed to dry (without any later trowel work), it will likely end up 'dusting'.

    In order to get a tight finish with poured concrete, it needs to be worked quite late in the setting process otherwise most concrete finishes will dust.
     
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  7. jamesr36

    jamesr36

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    I understand but I think this is more than dusty. Sweep 1sqm of floor with a stiff broom and I have a small pile of yellow sand. I don’t think it’s bound together properly
     
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