Fiberglass sound insulation thickness is 1” (25 mm), 2-1/2” (64 mm) and 3-1/2” (89 mm) for C-T, C-H or I studs of 2-1/2” (64 mm), 4” (102 mm) and 6” (152 mm) respectively. Finished one side. Components: 1” (25.4 mm) ToughRock® Shaftliner or DensGlass® Shaftliner panel, studs and three layers of 5/8” (15.9 mm) ToughRock® Fireguard C™ gypsum board or 5/8” (15.9 mm) DensArmor Plus® Fireguard C™ installed horizontally or vertically per test reference. Edges and ends offset 24” (610 mm) o.c.

Hourly Rating: 3-hour
STC Rating: 50-54 STC
Fire Test Reference: WHI GP/WA 180-01, GA WP 74222
Sound Test Reference: RAL TL09-358
Approved for Assembly:
DensGlass® Shaftliner Panel
ToughRock® Fireguard C® Products
DensArmor Plus® Fireguard C® Products
ToughRock® Shaftliner