One layer of 1″ x 24″ DensGlass Shaftliner or ToughRock Shaftliner inserted between 2-1/2″ floor and ceiling runners of minimum 2-1/2″ C-T, C-H or I studs between panels. One layer of 1/2″ (12.7 mm) DensArmor Plus® Fireguard C® or 1/2″ (12.7 mm) ToughRock® Fireguard C® gypsum panels installed vertically to each side with 1″ Type S screws 12″ o.c. Sount tested wiht 1-1/2″ Fiberglass sound insulation.

Hourly Rating: 2-hour
STC Rating: 45-49 STC
Fire Test Reference: GA WP 7073 (DGUSLY +1/2" TR FGC), GA WP (TRSL +1/2" TR FGC), ITS Design GP/WA 120-02
Sound Test Reference: RAL TL09-359. 12-8-09
Approved for Assembly:
DensGlass® Shaftliner Panel
ToughRock® Fireguard C® Products
DensArmor Plus® Fireguard C® Products
ToughRock® Shaftliner