330
Partitions: Strength
3. Use a 1-1/2" deep x 16-gauge channel notched around the steel studs
(and screwed to them) if the pullout is up to 200 pounds between each
stud. (A 200-pound pullout force corresponds to the force from a 45
degree bracket supporting a weight of 200 pounds per foot.)
The back-up plates should be in 4'0" lengths so that if necessary, it
would be possible to adjust their height behind each 4'0"-wide sheet of
gypsum board.
334.4.2
Laminated Gypsum Board Partitions
All attachments should be made with sheet metal screws with 1-1/2"
embedment. These screws have a pullout capacity of approximately 50
pounds and a shear capacity of approximately 100 pounds. In the non-
solid walls, screws must be placed to coincide with the 6-inch filler ribs.
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