Column

Four layers of 5/8” (15.9 mm) ToughRock Fireguard C gypsum board or 5/8” (15.9 mm) DensArmor Plus Fireguard C covering W10 x 49 (metric W250 x 73) steel column. Inner Layer: Attached to steel studs with 1” (25 mm) long self-drilling, self-tapping screws spaced vertically 24” (610 mm) o.c. Second Layer: Attached to steel studs with 1-5/8” (41 mm) long self-drilling, self-tapping screws spaced vertically 24” (610 mm) o.c. Third Layer: Attached to sheet-metal angles with 1” (25 mm) long, self-drilling, self-tapping screws spaced vertically 12” (305 mm) o.c. Outer Layer: Gypsum board attached to the sheet metal angles with 1-5/8” (41 mm) long selfdrilling, self-tapping screws spaced vertically 12” (305 mm) o.c.

4 Hour Column UL Installation Assembly
Hourly Rating: 4-hour
STC Rating:
Fire Test Reference: UL X501, cUL X501
Sound Test Reference:
Approved for Assembly:
ToughRock® Fireguard C® Products
DensArmor Plus® Fireguard C® Products