Wall Assemblies

The Celbar Spray is a cellulose insulation recognized under IBC Section 719 and IRC Section R316. Celbar Spray is a spray-on thermal insulation material and may be used as a component of nonload-bearing, one-hour fire-resistance-rated walls.

-ICC Evaluation Service, INC
ESR-2110

Metal Assemblies
STC 51 2x4" Metal studs, 1 layer 5/8" gypsum board each side, 1 1/2" Celbar Spray	STC 62 2x4" Metal studs, 2 layer 5/8" gypsum board each side, resilient furring one side, 3 1/2" Celbar Spray	STC 55 2x4" Metal studs, 2 layer 5/8" gypsum board one side, 1 layer gypsum board other side, 2 1/2" Celbar Spray
STC 53 3 5/8" Metal studs, 1 layer 5/8" gypsum board each side, 2" Celbar Spray	STC 62 Option #2 2 2x4" Metal studs, 2 layer 5/8" gypsum board one side, 1 layer gypsum board other side, gypsum board gussets, 8" Celbar Spray	STC 55 Option #2 2x6" Metal studs, 1 layer 5/8" on each side, 6" Celbar Spray

Wood Assemblies
STC 50 2"x4" wood studs, 1 layer 5/8" gypsum board on each side, 2" Celbar Spray	STC 51 2"x4" wood studs, 1 layer 5/8" gypsum board on each side, 3 1/2" Celbar Spray	STC 54 2"x4" staggered wood studs, 2 layer 5/8" gypsum board one side, 1 layer gypsum board other side, 5 1/2" Celbar Spray
STC 57 2"x4" wood studs, 2 layer 5/8" gypsum board one side, gypsum board & resilient furring other side, 5 1/2" Celbar Spray	STC 62 2"x4" staggered wood studs, 2 layer 5/8" gypsum board one side, gypsum board & resilient furring other side, 5 1/2" Celbar Spray	STC 67 2"x4" wood studs, 2 layer 5/8" gypsum board on each side, 8" Celbar Spray