Can anyone tell me how mortar is made?
Making mortar is just a question of mixing sand and cement in the right proportions, with water. If you mean cement itself, it is manufactured by combining a homogenous blend of carefully proportioned raw materials (limestone or chalk and clay/ shale/ sand) at a very high temperature (14500C) in a rotary kiln. The raw materials fuse together to form ‘clinker’, a hard granular material. The clinker is ground to a powder along with gypsum to make cement.