How to find quantity of cement mortar?
I want to know the req quantity of cement for plastering 300
sft in final coat with 12 mm. Any math involved? Plz help
Answer Posted / deepak katyal
Area of plaster surface = 300 sq.ft. = 27.868 sq.mt.
Thickness of Plaster = .012 mt.
Volume of Cement Mortar = 27.868x.012 = .334 cu.Mt.
Extra for wet mix (wastage) 20% = .334*20/100 = .0668 cu.mt.
Extra for dry mix 30% = .334*30/100 = .1004 cu.mt.
Total Volume = 0.5012 Cu.mt.
Ratio of Plaster = 1:5
Area of cement = 0.5012/6 = .083 cu.mt.
Weight of cement = .083X1440 = 119 kg
Bags of cement = 119/50 = 2.39 bags.
Area of Sand = .5012*5/6 = .417 cu.mt.
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