Exterior Steel-Framed Wall

Exterior Side: 5/8” (15.9 mm) DensGlass® Fireguard® Sheathing or ToughRock® Fireguard X® sheathing applied vertically to 3-5/8” (92 mm) 18-gauge (43 mils) steel studs 16” (406 mm) o.c. with #6 x 1-1/4” (32 mm) self-drilling, corrosion-resistant, bugle head, drywall screws 8” (203 mm) o.c. at edges and ends and 8” (203 mm) o.c. at intermediate studs. Proprietary polymer modified exterior insulation and finish system applied over sheathing. 2” (51 mm) maximum foam-on-plastic thickness. Interior Side: 5/8” (15.9 mm) ToughRock® Fireguard X® Products or 5/8” (15.9 mm) DensArmor Plus Fireguard gypsum board applied vertically to studs with #6 x 1-1/4” (32 mm) self-drilling, bugle head drywall screws 8” (203 mm) o.c. at edges and ends and 12” (305 mm) o.c. at intermediate studs.

Hourly Rating: 1-hour
STC Rating:
Fire Test Reference: GA WP 81222
Sound Test Reference:
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