Wood-Framed Wall

Base Layer: 5/8″ (15.9 mm) ToughRock® Fireguard X™ or 5/8″ (15.9 mm) DensArmor Plus fireguard gypsum board applied 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 24″ (610 mm) o.co. Face Layer: 5/8″ (15.9 mm) ToughRock® Fireguard X™ or 5/8″ (15.9 mm) DensArmor Plus Fireguard gypsum board applied horizontally to each side with 2-3/8″ (60 mm) 8d coated nails 8″ (203 mm) o.c. Stagger vertical joints 16″ (406 mm) o.c. each layer and side. Horizontal bracing required at mid height. Sound Tested with 3-1/2″ (89 mm) fiberglass insulation stapled to studs in stud spaces on one side.

Hourly Rating: 2-hour
STC Rating: 55-59 STC
Fire Test Reference: GA WP 3820
Sound Test Reference: NGC-3056
Approved for Assembly:
DensArmor Plus® Fireguard C® Products
DensArmor Plus® Fireguard® Products
DensElement™ Barrier Sheathing
DensGlass® Fireguard® Sheathing
DensGlass® Shaftliner Panel
DensShield® Fireguard® Tile Backer
ToughRock® Fireguard C® Products
ToughRock® Fireguard X™ Mold-Guard™ Products
ToughRock® Fireguard X™ Products