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
5/8” (15.9 mm) ToughRock® Fireguard X® or 5/8” (15.9 mm) DensArmor Plus® Fireguard® gypsum panels applied vertically (or horizontally to each side of double row of 2” x 4” wood studs 16” (406 mm) o.c. on separate plates 1” (25 mm) apart with 1-7/8” (48 mm) 6d coated nails 7” (178 mm) o.c. Wallboard nailed to top and bottom plates 7” (178 mm) o.c. Stagger joints each side. Horizontal bracing required at mid height. ULC W301 allows vertical application only.