cement mortar definition
cement mortar means a mortar made of one part of cement to three of sand, all proportions are to be by volume;
cement mortar means mortar composed of cement and clean washed sand, grit or other suitable material in the proportions by measure stated in these Rules and thoroughly mixed with clean water;
cement mortar means a mortar made of one part of cement to three of sand, all portions are to be by volume; “cement plaster” unless otherwise specified means a plaster made of not less than one part of cement to two of sand