Technical Specifications
 armstrong.com 17      
 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
915
Square 24 x 48 x 5/8" 15/16"  0.55/35 – – 0.81 Class A 38%  64 8 Mineral Fiber
933 
Square 24 x 48 x 5/8"  15/16"  0.55/35 – – 0.82 Class A 30%  80 10 Mineral Fiber
934
 Tegular  24 x 24 x 5/8" 15/16"  0.55/33 – – 0.82 Class A 30%  64 16 Mineral Fiber
 935
 Square 24 x 24 x 5/8"  15/16"  0.55/33 – – 0.82 Class A 30% 64 16 Mineral Fiber
942
Square 24 x 48 x 5/8"  15/16"  0.55/35 – – 0.80 Class A 30% 80 10 Mineral Fiber
944
Square 24 x 48 x 9/16" 15/16" -/30 – – 0.80 Class A – 80 10 Mineral Fiber
949
Square 24 x 24 x 5/8"  15/16"  0.55/33 – – 0.81 Class A 30%  64 16 Mineral Fiber
9767 
 Tegular 24 x 48 x 3/4"  15/16" 0.55/35 – – 0.82 Class A 29%  80 10 Mineral Fiber
 WARRANTY 
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.
 ContractorSeries
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 CEILING PANELS
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