One common problem in framing is how to straight-line a second-story stud wall and brace it for joisting or rafters if it leans out. Here’s one way you can pull the wall back into line and keep it there:
Lean a 2×4 (face up) against the stud wall with one end resting on the top plate and the other end on the subfloor at the location of a joist. Nail both ends securely. For extra security nail a 2×4 scrap block flat against the double plate at the top of the brace to prevent it from corning loose under pressure.
Next, toenail a 3-ft. to 4-ft. 2×4 to the floor along the same joist midway between the wall and the foot of the brace. You’ll get the desired results by pushing this kicker against the brace and exerting whatever pressure is required to draw the wall into line. Secure by driving two nails through the brace into the end grain of the kicker. These braces can be left in place until the rafters or joists are installed.
—Marc Davis, Tucson, AZ
Edited and illustrated by Charles Miller
From Fine Homebuilding #7
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This makes no sense to me? Put a brace on it push or pull it level nail it, go to the next one. Your doing alot of extra shit for nothing.
This is my favourite method for bracing walls. It does add and extra step or two too just nailing a 2x on edge but doing it this way makes for very ridged bracing. Throw up one brace with this method and one with a 2x on edge and give them both a shake you can feel the superiority. This is also great for pulling in stubborn walls which are becoming more common with the sub par framing lumber we are getting as well it helps as thicker and thicker walls are getting spec’d for insulation purposes.
One very important aspect that was not mentioned in the original tip is that when you remove the bracing you need to release the long brace at the wall or at the floor before releasing the short kicker or you risk pushing the wall back out of plum. Make sure all the sub trades know as well.