Figure 8-8.-Leveling and plumbing first course of blocks for
footing and align the blocks accurately. Then, use a
piece of material 3/8 inch thick to properly space the
blocks. This helps you get an accurate measurement.
The third step is to replace the loose blocks with a
full mortar bed, spreading and furrowing it with a
Figure 8-9.-Vertical joints.
Figure 8-10.-Checking each course at the corner.
trowel to ensure plenty of mortar under the bottom
edges of the first course (figure 8-7, view 2).
Carefully position and align the corner block first
(view 3 of figure 8-7). Lay the remaining first-course
blocks with the thicker end up to provide a larger
For the vertical joints, apply
mortar only to the block ends by placing several
blocks on end and buttering them all in one operation