String Line
Set 16d nail in corner of double plate and bend until it is in line with wall below.
“Plumb and line" is the process of making the walls straight and true.
“Plumbing" is the use of a level to set the ends of the walls plumb or perfectly upright.
“Lining" is using a tight string attached to the top of a wall as a guide for straightening it.
Set nails at either end of wall as shown, and then string line tightly between them, adjusting the line so that it is about W above the double plate. Wall should be moved in or out to align with string.
The walls are braced with 2 x 4 lumber to hold them and, if necessary, make them plumb and straight.
If a wall already is sheathed and in place, but not plumb, correct it if it is more than W out of plumb for standard height walls.
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Toenail push-brace
