Hi I am building a garage, and am doing the base at the moment. The base size is 5.7 x 3.3 mt, and am looking to having 4 inch of concrete. A retired builder friend of mine worked out that I would need 2 tons of ballast, and 18 bags of cement (5 to 1 mix ). This worked out woefully short on the ballast. I wonder if he was working in cubic yards and imperial tons. I got the ballast from a yard with a weigh bridge, I am presuming nowadays I would have brought metric tons. I would just like to know for future reference how it should have been worked out. Can somebody help me out here please.
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How much balast/cement do I need ?
- Thread starter Badger1oo
- Start date
use the calculator on this website
http://www.pavingexpert.com/calcall.htm#focus10
but did you not think of using readymix?
http://www.pavingexpert.com/calcall.htm#focus10
but did you not think of using readymix?
Hey, thanks for that. Yep used that and anoither site. I now know that 1 cubic metre of ballast = 1 tonne. Used the converter on the website, which backs up the amount I used.
Many Thanks.
Doh....I meant I cubic metre ballast = 1.76 tonnes
Many Thanks.
Doh....I meant I cubic metre ballast = 1.76 tonnes
You will need 3.5 - 4 tonnes bags of ballast and 25 x 25kg bags of dust.
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