Exterior Steel-Framed Wall

Exterior: 5/8” (15.9 mm) DensGlass® Fireguard® Sheathing applied vertically to min. 3-5/8” (92 mm) corrosion resistant 25-gauge (18 mils) steel studs 24” (610 mm) o.c. with 1” (25 mm) corrosion resistant bugle head screws 8” (203 mm) o.c. at board edges and 8” (203 mm) at intermediate studs. Interior: 5/8” (15.9 mm) DensArmor Plus® Fireguard® or 5/8” (15.9 mm) ToughRock® Fireguard X® applied vertically to framing with 1” (25 mm) Type S bugle head screws 8” (203 mm) o.c. at board edges and 12” (305 mm) at intermediate studs.

Steel Framed Wall Installation
Hourly Rating: 1-hour
STC Rating: 45-49 STC
Fire Test Reference: UL U465, ULC W415, cUL U465, GA WP 1081
Sound Test Reference: RAL TL99-103
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 (meets fire rating but not evaluated for sound)