1. Scope 1.1 General
This Standard specifies requirements for mortar for use in bedding, jointing
and bonding of masonry units, or other structural units, and for grout for use
in filling core or cavity space, or both, in unit masonry construction. Note: The term "unit masonry" refers to masonry construction using clay or
shale masonry units, sand-lime masonry units, or concrete masonry units. For
other masonry units, the proportions of ingredients and any additives to be
used in the mortar for the masonry construction should be based on laboratory
or field experience with the mortar ingredients and the particular masonry
units to be used. 1.2 Classification
This Standard sets forth the requirements for two types of mortar, Type N and
Type S, as well as the requirements for two types of grout, fine and coarse.