Technical Specifications
 armstrong.com 13      
 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
266
Tegular  24 x 24 x 1/2" 15/16"  0.45/30 – Superior 0.86 Class A 25%  64 16 Mineral Fiber
1201
Flush Tegular 24 x 24 x 5/8" 15/16"  -/30 – Superior 0.80 Class A 52%  24 6 Mineral Fiber
1205
 Flush Tegular 24 x 24 x 5/8" 15/16" -/30 – Superior 0.80 Class A 52% 24 6 Mineral Fiber
1270
Stepped  24 x 24 x 3/4" 15/16"  -/30 – Superior 0.80 Class A 25%  48 12 Mineral Fiber
 WARRANTY
 266, 1270 have a one-year limited manufacturer’s warranty; 1201 and1205 have a 10-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.
HomeStyle
®
 24" x 24" DECORATIVE CEILING PANELS










