Masonry Terms Specific terms are used to describe the units and mortar various positions of
masonry
Figure 7-53.-Various positions of wall masonry units and mortar joints.
joints in a wall (fig. 7-53). These are as follows:
Course. One of the continuous horizontal layers
(or rows) of masonry that, bonded together, form
the masonry structure.
Wythe. A continuous single vertical wall of b
r i ck
Stretcher. A masonry unit laid flat with its longest
dimension parallel to the face of the wall.
Bull-Stretcher. A rowlock brick laid with its longest
dimension parallel to the face of the wall.
Bull-Header. A rowlock brick laid with its longest
dimension perpendicular to the face of the wall.
Header. A masonry unit laid flat with its longest
dimension perpendicular to the face of the wall.
It is generally used to tie two wythes of masonry
together.
Rowlock. A brick laid on its edge (face). Soldier.
A brick laid on its end so that its longest
dimension is parallel to the vertical axis of
the face of the wall.
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