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Working out gravel quantities for mulch?

Posted by Chris Collins on March 26, 2011 at 9:37am

I normally rely on guess work but thats not really prossional. Is there a way I can work out how many 25kg bags or even the big ton bags I will need to cover a specific size area?

 

Would standard calculations still work weather using slate chipping, pea gravel or cobbles? 

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  • Bigyin March 26, 2011 at 9:41am
    http://www.graveldirect.co.uk/metric-calculator/
  • Andy Thorne March 26, 2011 at 11:25am

    That looks good Bigyin

    Looks a tad on the generous side when comparing against my tables so you should be safe when using it Chris :)


    Bigyin said:

  • Rachel Sobiechowski March 26, 2011 at 6:01pm

    We mostly recommend 3 bags (25kg ones) per square meter for shingle and Slate. (gives about 5cm depth) 

    As Gary has said cobbles are trickier, but 4 bags (25kg) will do about 1 square meter

     

  • Chris Collins March 27, 2011 at 12:36pm

    Thanks for replies here, much appreciated :) 

     

    Bookmarked this for reference as info is really useful. Gravel calculator looks great too for the bigger jobs :) 

  • Mark Watson March 27, 2011 at 7:46pm

    http://www.pavingexpert.com/calcall.htm#focus13

     

    Although not strictly for slate/shingle I use this and it has been very good, could use sub base calculator for shingle

  • Michael Gurney March 29, 2011 at 10:06pm
    I went to my local TP as they were the cheapest for plumb shale told them the size and 4 tonnes arrived, access was kerb side, so tonne bags. the hardest part was digging it out of the bag and in to the barrow!. i did not allow for the planting, used up any extra by spreading.
  • Buy Stone October 26, 2012 at 6:31am

    Buy stone is of the largest selection of various products such as Gravel suppliers, Cobbles, Pebbles, Slate Chippings, Rock Salt - wide range to suit the driveway, garden and rockery from buystone.co.uk

    Gravel suppliers Manchester

  • Simon Smith October 26, 2012 at 7:19pm

    Just slice up the side of the bag michael, makes the job much easier.

  • Austin Powell-Allen October 27, 2012 at 12:36am

    Although if your in Essex or East Anglia (Ipswitch) area I have used Silvertons Aggregates and will do a free delivery on most products for very good prices from top soil to shingle etc. Can fault them and seem cheaper than Wickes of TP

     Silvertons Aggregates

     

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