A.Don Wheeler, a custom builder in Anaheim, Calif., who frames primarily with steel, responds: Though lighter 25-gauge steel studs are plenty strong for framing interior walls, I usually use 20-gauge steel studs. These feel a little more substantial and tend to suffer less abuse around the job site. The following method of reinforcement will work with either size of steel framing.

First, you want to strengthen the wall behind the sink. To do this, "bridge" the studs with a stud or track cut so that it's equal to the length of the wall. Holding this cut stud (or track) in position with the web facing out, mark the top and bottom flanges where they intersect with the wall stud flanges. Using a circular saw fitted...

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