5/8” (15.9 mm) ToughRock® Fireguard X® or 5/8” (15.9 mm) DensArmor Plus® Fireguard® gypsum panels applied vertically to each side of 3-5/8” (92 mm) steel studs 24” (610 mm) o.c. with 1” (25 mm) Type S drywall screws 8” (203 mm) o.c. at edges and 12” (305 mm) o.c. at intermediate studs. Sound Tested with 3” (76 mm) mineral fiber, 2.5 pcf (40.1 kg/m3), in stud space. Non-Load Bearing
Hourly Rating: 1-hour
STC Rating: 45-49 STC
Fire Test Reference: UL U465, ULC W415 for Type X only, cUL U465, GA WP 10812
Sound Test Reference: RAL TL99-103
Approved for Assembly: DensArmor Plus® Fireguard C® Products DensArmor Plus® Fireguard® Products DensElement® Barrier Sheathing DensGlass® Fireguard® Sheathing DensShield® Fireguard® Tile Backer ToughRock® Fireguard C® Products ToughRock® Fireguard X® Mold-Guard™ Products ToughRock® Fireguard X® Products ToughRock® Lite-Weight Fire-Rated Products (Meets fire rating but not included in Sound Testing)
