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concrete mix

  1. General DIY Discussions
    i have a damaged concrete floor before my garage. To correct it i have to dig atleast 1 foot deeper. so i'll get a hole of 12' X 4' X 1'. I'll fill it with 40 mm aggregate and then i'll pour 1:10 cement: sand mix over it upto 10" thick and over it i'll finish it 1:2:4 concrete mix. so how to...