Steel-Framed Wall

Base Layer: 5/8” (15.9 mm) ToughRock® Fireguard X™ or 5/8” (15.9 mm) DensArmor Plus Fireguard gypsum board applied vertically to each side of 3-5/8” (92 mm) steel studs 24” (610 mm) o.c. with 1” (25 mm) Type S screws 16” (406 mm) o.c. Face Layer: 5/8” (15.9 mm) ToughRock® Fireguard X™ or 5/8” (15.9 mm) DensArmor Plus Fireguard gypsum board applied vertically to each side with drywall adhesive or secured with 1-5/8” (41 mm) Type S screws 12” (305 mm) o.c. at top and bottom track, 16” (406 mm) o.c. at edge joints and intermediate framing. Stagger joints 24” (610 mm) each layer and side. Sound Tested with 3-1/2” (89 mm) fiberglass insulation, friction fit in 3-5/8” (92 mm) stud space

Hourly Rating: 2-hour
STC Rating: 55-59 STC
Fire Test Reference: UL U411, cUL U411, GA WP 1522
Sound Test Reference: NRCC 818-NV
Approved for Assembly:
DensArmor Plus® Fireguard C® Products
DensArmor Plus® Fireguard® Products
DensElement™ Barrier Sheathing
DensGlass® Fireguard® Sheathing
DensShield® Fireguard® Tile Backer
ToughRock® Fireguard C® Products
ToughRock® Fireguard X™ Mold-Guard™ Products
ToughRock® Fireguard X™ Products
ToughRock® Lite-Weight Fire-Rated Products