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Table 6 Mortar mix proportions (by volume) Permissible Use of Mortar
Portland Cement
Masonry Cement (Type H)
All locations1
1
⁄2 to 1
1
—
1
—
1
All locations1, except foundation walls and piers
—
1
—
1
—
1
All locations, except loadbearing walls of hollow units
1
—
11⁄4 to 21⁄2
All non-loadbearing partitions and all loadbearing walls of solid units except foundation walls
1
—
21⁄4 to 4
—
—
1
Lime
Aggregate
⁄4 to 1⁄2
⁄2 to 11⁄4
Not less than 21⁄4 and not more than 3 times the sum of the volumes of the cement and lime
Note to Table 6 1. Must not be used for sand-lime brick or concrete brick.