How much is the thickness of cement mortar plastering on the external wall?

According to the standard of consumption, the general plastering of external walls is divided into three layers, the bottom layer, the middle layer, the surface layer, and the total thickness of the three layers is 15 - 20MM, and the thickest is not more than 25MM. generally the bottom layer is about 5MM, the middle layer is about 5-12MM, and the surface layer is about 2-5MM. ?0?22010-7-13 Don't exceed 20mm, and it should be constructed in layers, scraping " Overnight brown". Local places if the thickness of the plaster is thick, embedded steel wire mesh or fiber mesh, to prevent the mortar is too thick cracking.