how much hardcore do i need

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laying down a new porcelain patio. need to put down hardcore. only looking to do 75mm as i dont have access to the garden so will be carrying it all by hand through the house.

how many bulk bags of mot 1 do you reckon i need.


area to cover is 44m2 approx

thanks
 
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Car parking space 100mm deep is about a ton for a guess, but online calculator is way to go
 
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Depending where you buy from, each bulk bag is less than half a m3 so you can work out out.
I would say you'll need 7.
Tip is if you get bags, lay out some boards and get them to hold it on the crane then get a Stanley knife on the bottom. Then it will not be compacted and impossible to shovel
 
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