Floor/Ceiling Wood-Framed

5/8” (15.9 mm) ToughRock Fireguard C or 5/8” (15.9 mm) DensArmor Plus Fireguard C gypsum board applied perpendicular to resilient channels 24” (610 mm) o.c. Gypsum board secured with 1” (25 mm) long Type S bugle head steel screws. Screws spaced 1/2” (12.7 mm) and 6” (152 mm) from side joints and 12” (305 mm) o.c. in the rest of the field. Screws spaced 3” (76 mm) from the stud joints. End joints secured to both resilient channels. When batt insulation is draped over the resilient channel and 5/8” (15.9mm) ToughRock Fireguard C gypsum panels ceiling membrane, screws spaced 1/2” (12.7 mm) and 4” (102 mm) from side joints and 8” (203 mm) o.c. to the rest of the field.

Hourly Rating: 1-hour
STC Rating:
Fire Test Reference: UL M503, cUL M503, GA FC 5515.32
Sound Test Reference:
Approved for Assembly:
ToughRock® Fireguard C® Products
DensArmor Plus® Fireguard C® Products