how many bags of portland cement do I need to build a slap of 40m by 30 m by 10cm?
the concrete volume is = 40 x 30 x 0.10 = 120 m^3 of concrete each cubic meter of concrete require 6 bags of cement then total cement bags = 6 x 120 = 720 bags
Contact Portland Cement, their reps will be able do the calculations for you. They will need to know which Portland cement product you are using.
