Steel-Framed Wall

5/8” (15.9 mm) ToughRock® Fireguard X™ or 5/8” (15.9 mm) DensArmor Plus Fireguard gypsum board applied vertically to a double row of 1-5/8” (41 mm) steel studs 24” (610 mm) o.c. and not less than 1” (25 mm) apart with 1” (25 mm) Type S drywall screws 8” (203 mm) o.c. at edges and top and bottom runners, 12” (305 mm) o.c. in field. Stagger joints 24” (610 mm) each side. 5/8” (15.9 mm) gypsum board pieces 12” (305 mm) long x 4-1/2” (114 mm) wide located at 1/3 points used as cross braces fastened to stud pairs with three 1” (25 mm) Type S drywall screws at each end of brace. Optional 25-gauge (18 mils), stud or runner pieces not less than 4-1/2” (114 mm) long may be used as cross braces and attached with two No. 8, 1/2” (13 mm) self-drilling steel screws at each end. Sound Tested with 3-1/2” (89 mm) fiberglass insulation, stapled to one side in cavity

Hourly Rating: 1-hour
STC Rating: 50-54 STC
Fire Test Reference: UL U420, cUL U420, GA WP 5015
Sound Test Reference: RAL TL76-155
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