Exterior: Two layers 5/8” (15.9 mm) DensGlass® Fireguard® Sheathing applied vertically to min. 3-1/2” (89 mm) corrosion resistant 20-gauge (30 mils) steel studs 24” (610 mm) o.c. Base layer attached with 1” (25 mm) Type S-12 corrosion resistant bugle head screws 8” (203 mm) o.c. Face layer attached with 1-5/8” (41 mm) Type S-12 corrosion resistant bugle head screws spaced 8” (203 mm) o.c. Joints staggered. Interior: Two layers 5/8” (15.9 mm) DensArmor Plus® Fireguard® or 5/8” (15.9 mm) ToughRock® Fireguard X® Products applied vertically to framing. Base layer attached with 1” (25 mm) Type S-12 bugle head screws 12” (305 mm) o.c. Face layer attached with 1-5/8” (41 mm) Type S-12 bugle head screws spaced 12” (305 mm) o.c. Joints staggered. Insulation to completely fill stud cavity. (Load Bearing: 80% of design load)
