Armstrong
Cortega #769
EdgeSquare Lay-In
Size24″ × 48″ × 5/8″
NRC0.55
CAC35
Fire RatingClass A (UL)
Light Reflectance80%
USG
Radar #2310
EdgeSquare Lay-In
Size24″ × 48″ × 5/8″
NRC0.55
CAC35
Fire RatingClass A
Light Reflectance83%
CertainTeed
Baroque BET-197
EdgeSquare Lay-In
Size24″ × 48″ × 5/8″
NRC0.60
CAC35
Fire RatingClass A
Light Reflectance83%
These three tiles represent the most commonly used basic ceiling tiles in commercial construction. All share the same square lay-in edge profile and 24″ × 48″ × 5/8″ dimensions, making them interchangeable in standard 15/16″ grid systems.
The CertainTeed Baroque BET-197 offers a slightly higher NRC of 0.60 compared to 0.55 for both the Armstrong and USG options, making it the better choice when sound absorption is a priority.
Both the USG Radar 2310 and CertainTeed BET-197 offer 83% light reflectance compared to Armstrong's 80%, which can contribute to energy savings in lighting.
All three carry a Class A fire rating and a CAC of 35, meeting standard commercial building code requirements.