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Paving measurements and weights

  • 05-04-2013 6:25pm
    #1
    fritzelly
    Registered Users, Registered Users 2 Posts: 17,868 ✭✭✭✭


    Does anyone know a good calculator to work out how much sand and gravel I would need for paving or can anyone give me an idea for 12 square meter area
    I don't want to order a tonne of sand if I only need half that etc.

    Cheers


Comments

  • #2
    finnharpsboy
    Registered Users, Registered Users 2 Posts: 9,074 ✭✭✭finnharpsboy


    depends how deep you want to go....

    12m squared @ 1" deep = 400kg approx
    "" "" @ 2" = 800kg "
    @ 3" = 1200kg


    the way i work it out is:
    (a) the depth in inches divided by 39, (b) the area you want to cover (metres squared) and (c) use the number 1.33

    so its a x b x c = total tonnage needed

    there might be an easier way but this way never fails me


  • #3
    fritzelly
    Registered Users, Registered Users 2 Posts: 17,868 ✭✭✭✭fritzelly


    Thanks for that, did find an online calculator but I ended having to convert from yards to feet to tonne etc but the figures are about the same as yours. Long time since I was at school ;o)

    Cheers


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