Cut the stud at the apex of the curve or the portion that most juts outward from the center of the stud.
Straighten existing bathroom wall by cutting bowed studs.
Slip a single shim into the triangular kerf section that opened up when you straightened the stud.
Expect some relaxation movement here as well.
It s not unheard of to do this more than once on a severely bowed stud say at 1 3 and 2 3 of its length.
The cut should be made on the concave side of the bowed area.
Dealing with bowed walls on your building projects can be a huge hassle.
Step 3 straighten and shim the stud.
I would start by plumbing each corners stud then sting a line at the top from each corner stud and use this as a guide for susequent timbers.
For example sister joists are sometimes installed to increase the load bearing capacity of a floor so it.
With a handsaw or circular saw cut about two inches into the stud at roughly the midpoint of the bow.
Out of alignment make a series of 1 3 4 in deep kerfs saw cuts every 8 to 10 in.
The goal is to bring the low points to the high points with shims.
If you are dealing with slight warps or bows you have the option of using cardboard shims along the face of the wall studs.
Just fix timber to the side of the existng studs to plumb up the wall.
Gary the fix is real easy.
If you ve cut the concave inset side of the stud.
If you have a few severely bowed out studs that are more than 1 2 in.
So for your non load bearing walls with bowed studs cut a notch in the bad stud and then install a horizontal 2 4 brace to pull the stud back to a straight position.
Next adjust the stud so that it s fully straight.
The existing studs still do their job and the new timbers are use to plumb the wall.
Essentially the two straight adjacent studs will help to hold the stud in an upright straight position.
Push or lever the stud 50 past straight and drive a wood shim into the now widened cut.
Toenail a 16d nail through each kerf.
Apply force to the stud straightening it.
Sistering can also be done to reinforce floor joists or rafters.
When you ve located the site of the bow or curve in the stud use your hand saw to carefully cut about an inch or an inch and a half into the curve.
The term sister stud refers to a secondary stud that is installed alongside an existing stud it is usually used to reinforce a stud that has been damaged or is bowed in a manner that compromises its load bearing capacity.
