Commercial Roofs
Exterior Walls & Ceilings
Interior Walls & Ceilings
Industrial & OEM
Lumber
Roof Sheathing
Specialty
Technical
Commercial Roofs
Exterior Walls & Ceilings
Interior Walls & Ceilings
Industrial & OEM
Lumber
Wall Sheathing
Exterior Side: 5/8” (15.9 mm) DensGlass® Fireguard® Sheathing or ToughRock® Fireguard X® Sheathing applied vertically or horizontally to 2”x 4” wood studs 16” (406 mm) o.c. with 1-3/4” (45 mm) galvanized roofing nails 7” (178 mm) o.c. Exterior surface covered with weather exposed cladding or finish system. Interior Side: One layer 5/8” (15.9 mm) ToughRock® Fireguard X® Products or 5/8” (15.9 mm) DensArmor Plus® Fireguard® gypsum panels applied vertically or horizontally to studs with 1-7/8” (48 mm) 6d coated 7” (178 mm) o.c. Stagger joints each side. ULC W301 allows vertical application only.