Technical Specifications

14 armstrong.com
FEATURES & BENEFITS
• Easy installation system provides access to pipes, ducts and wiring
• Non-directional texture reduces scrap and installation time
• Paintable to match any décor
• Ideal for basements
• Economical and high performance (922 only)
PRODUCT SPECIFICATIONS
Item # Edge Detail Dimensions
Install
System
Acoustics
NRC/CAC
Sag
Resistance
Mold, Mildew and
Bacteria Resistance
Light
Refl ection
Fire
Rating
Recycle
Content
SF Per Ctn Pcs/Ctn Material Type
280
Square 24 x 48 x 1/2" 15/16" -/30 – – 0.80 Class A 24% 64 8 Mineral Fiber
297
Square 24 x 48 x 1/2" 15/16" -/30 – – 0.80 Class A 24% 64 8 Mineral Fiber
922
Square 24 x 48 x 5/8" 15/16" 0.55/35 Superior Superior 0.85 Class A 40% 64 8 Mineral Fiber
1133
Square 24 x 48 x 1/2" 15/16" -/30 – – 0.80 Class A 24% 64 8 Mineral Fiber
WARRANTY
922 has a 30-year limited manufacturer’s warranty when installed with an Armstrong-recommended grid system.
(Ceiling panel alone is a 10-year limited manufacturer’s warranty.) 280, 297 and 1133 have a 1-year limited
manufacturer’s warranty.
INSTALLATION SYSTEM
15/16" Grid
See page 19 for additional information.
For a full set of installation instructions, please visit
www.armstrong.com/ceilings/installation.
280 PLAIN WHITE 297 GRENOBLE
™
1133 BALTIC
™
922 (1729) FINE FISSURED
™
HomeStyle
®
24" x 48" CEILING PANELS
STYLES