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    Patio project - how much hardcore will i need?

    Im building an 18 square meter patio and will be putting down about 2 inches of hardcore.

    Is there an equation to work out how many KGs/Tonnes i will need?

    Thanks

    14 Comments

    2 1 tonne bags will do it, 1 bag will do approx 12 square metsrs at abot 1.3 inch thick, aim to pay about £30-£35 a bag..
    Hope that helps..
    Edited by: "ukmonkey" 16th Aug 2010

    ^^ I make that around a cubic metre and from what I know a cubic metre of hardcore is around 2 tonnes.

    Original Poster

    cheers guys...so which is it, 1 or 2 tonnes?

    Banned

    ide say 1 tonne plus a few disliked relies and you should be fine to cement over - lol

    JayBird

    cheers guys...so which is it, 1 or 2 tonnes?



    You require about 0.9 cuic metres of hardcore, from what I know 1 cubic metre = 2 tonnes so I say you need 2 tonnes.

    we just finished our patio was just over 20 sq meters and we used 2.5 tonnes cost about £40 from the pit.

    Original Poster

    How deep did you lay it?

    JayBird

    How deep did you lay it?



    abt 2 inch deep i think. we went down 5 inch from the damp course then had type 1 compacted down then layer of cenet with 40mm thick slabs on it. took 2.5 tonnes of type 1 and abot just over 1 ton of sand.

    Hardcore is around 1.9 - 2 tonnes per cubic metre.
    2 inches is approx. 51mm.

    18 x 0.051 = 0.92cu m.

    So if you round up, you want to cover an area of 1 cubic metre, so you'll need 2 tonnes of hardcore.

    Simples....

    Banned

    civms47

    Hardcore is around 1.9 - 2 tonnes per cubic metre.2 inches is approx. … Hardcore is around 1.9 - 2 tonnes per cubic metre.2 inches is approx. 51mm.



    Hmmmm... I think he might need to stretch it to 52mm !

    What are the actual sizes Jaybird?

    tryint to work out how many sq mts you would get out of a tonne of hardcore if its layed and packed at 6 inches thick.also how many sq mts youd get out of a tonne of granite sand layed at 4 inches thick.thanks

    i need to lay some astroturf... need to put 2x2 battern down then type 1 with sand on top how much do i need ?? oO

    Banned

    ballsy

    i need to lay some astroturf... need to put 2x2 battern down then type 1 … i need to lay some astroturf... need to put 2x2 battern down then type 1 with sand on top how much do i need ?? oO


    WOuld help but its broken today!

    http://blog.mediatrust.com/wp-content/uploads/2008/12/cball.jpg

    ballsy

    i need to lay some astroturf... need to put 2x2 battern down then type 1 … i need to lay some astroturf... need to put 2x2 battern down then type 1 with sand on top how much do i need ?? oO


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