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    area 1800mm x 1800mm x 150mm how many bags of 20kg bags do i need

    0  Views: 620 Answers: 1 Posted: 5 years ago

    1 Answer

    Advice here


    http://www.reference.com/motif/Business/how-many-bags-of-concrete-do-i-need


    and here


    http://www.quikrete.com/Calculator/Main.asp



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