Area Separation Wall

Two layers 1” (25.4 mm) ToughRock Shaftliner or DensGlass® Shaftliner inserted in H-Studs 24” (610 mm) o.c. Min. 3/4” (19 mm) air space between liner panels and adjacent wood or metal framing. Sound Tested with 2”x 4” stud wall with 1/2” (12.7 mm) ToughRock® Fireguard C wallboard or DensArmor Plus® Fireguard C panels and 3-1/2” (89 mm) fiberglass insulation in stud space. Breakaway clip facings and height of wall differ between UL Design U373 and WHI GP/WA 120-03. Consult each listing for specific information.

Hourly Rating: 2-hour
STC Rating: 55-59 STC
Fire Test Reference: UL U373, ULC W312, WHI GP/WA 120-03, cUL U373
Sound Test Reference: RAL TL10-290
Approved for Assembly:
DensGlass® Shaftliner Panel
ToughRock Shaftliner
ToughRock Fireguard C products
DensArmor Plus Fireguard C products