What Are the Mix Ratios for Cement and Sand?
#0183;#32;Concrete 1 part cement, 2 parts concreting sand and 3 parts 20 millimeter aggregate. Mortar 1 part cement, 4 to 5 parts building sand. Alternatively, one can also use 1 part cement, 1 part lime and 4 to 5 parts building sand. Screed 1 part cement and 3 to 5 concreting sand.