A series of tests was conducted in accordance with ASTM E 72 to determine the shear
resistance of gypsum board applied to one side of wood stud partitions 16" o.c. using Type S or W
screws at different spacings. Parallel and perpendicular applications, with horizontal joint unblocked,
were evaluated.
GA 229-1996 history
2008GA 229-2008 SHEAR VALUES FOR SCREW APPLICATION OF GYPSUM BOARD ON WALLS
1996GA 229-1996 Shear Values for Screw Application of Gypsum Board on Walls