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Calculating number of bags of cement/gravel for slab

dominoplex · 2020-05-26 16:43:48

I am putting a small concrete slab down in the garden (7 x 7 foot). I am thinking of laying 100mm of sub base then another 100mm of cement on top (maybe some re-bar in the middle). I think a ready mix would either be stupidly expensive or they just wouldn't bother with such a small amount. Anyway, is there any method to…

26-05-2020 5:43pm

#1

dominoplex

Registered Users Posts: 4 ✭

Join Date: March 2020

Posts: 2

I am putting a small concrete slab down in the garden (7 x 7 foot). I am thinking of laying 100mm of sub base then another 100mm of cement on top (maybe some re-bar in the middle). I think a ready mix would either be stupidly expensive or they just wouldn't bother with such a small amount. Anyway, is there any method to calculate the number of bags of cement and gravel I will need to cover this for mixing myself?

thanks

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