Steel-Framed Wall

Base Layer: 1/4” (6.4 mm) ToughRock® gypsum board applied vertically to each side of 1-5/8” (41 mm) 25 gauge (18 mils) steel studs 24” (610 mm) o.c. with 1” (25 mm) Type S drywall screws 24” (610 mm) o.c. at vertical joints and 36” (914 mm) o.c. at intermediate studs. Face Layer: 1/2” (12.7 mm) ToughRock® Fireguard C® or 1/2” (12.7 mm) DensArmor Plus® Fireguard C® gypsum panels applied vertically to each side with 1-5/8” (41 mm) Type S drywall screws 12” (305 mm) o.c. Stagger joints each layer on opposite side.

Hourly Rating: 1-hour
STC Rating:
Fire Test Reference: GA WP 1429
Sound Test Reference:
Approved for Assembly:
ToughRock® Fireguard C® Products
DensArmor Plus® Fireguard C® Products ToughRock® Products