Floor/Ceiling Wood-Framed

5/8” (15.9 mm) ToughRock® Fireguard X® Products applied perpendicular to 2” x 10” wood joists 16” (406 mm) o.c. with 1-7/8” (48 mm) 6d nails 6” (152 mm) o.c. Wood joists supporting 1” (25.4 mm) nominal wood sub and 1” (25.4 mm) nominal finish floor, or 19/32” (15.1 mm) plywood finished floor with long edges T&G and 15/32” (11.9 mm) interior plywood with exterior glue subfloor perpendicular to joists with joints staggered.

Hourly Rating: 1-hour
STC Rating:
Fire Test Reference: UL L501, cUL L501, GA FC 5420
Sound Test Reference:
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