Base Layer: 1/2” (12.7 mm) ToughRock® Fireguard C® gypsum board tied to W10 x 49 (metric W250 x 73) column 1 hr. with 18-gauge (43 mils) wire 15” (381 mm) o.c. Face Layer: 1/2” (12.7 mm) ToughRock Fireguard C gypsum board applied with laminating compound over entire contact surface.

1 Hour Column NBS Installation Assembly
Hourly Rating: 1-hour
STC Rating:
Fire Test Reference: NBS 303
Sound Test Reference:
Approved for Assembly:
ToughRock® Fireguard C® Products
DensArmor Plus Fireguard C Products