Type S, N, and M Masonry Cement and Mortar
Types of Masonry Cement Mortar. CEMEX's Masonry Cements are produced in Type N Masonry Cement, Type S Masonry Cement and Type M Masonry Cement strength levels for use in preparation of ASTM Specifiion C270 Type N, M or Type S Masonry Mortar, respectively without any further additions. Table 1 is a general guide for selection of mortar type.