Brand : Armstrong Ceilings Material : Mineral Fiber Color / Finish : White Textured Dimensions (L × W × H) : 48" × 24" × 5⁄8" Edge Type : Square Lay‑In Installation Type : Suspended Ceiling Grid (Fire Guard 15/16") Fire Rating : UL Classified Fire‑Resistant (Class A When Installed In Fire Guard Grid) Acoustical Performance (typical) : NRC ~0.55 CAC ~35 Light Reflectance : ~0.81 (high Reflectivity White Surface) Typical Uses : Drop Ceilings In Commercial Offices, Basements, Schools, And Other Indoor Spaces Requiring Fire‑rated Assemblies
Model Number : 934 Color : White Product Type : Ceilings Installation Method : Suspended/Drop (accessibility) Edge Detail : Tegular Edge (minimizes Grid Look) Sag / Humidity Resistance : Standard Mold Resistance : Standard Fire Resistance : Class A Length : 24 In Width : 24 In Thickness : 5/8 In Material Type : Mineral Fiber Sound Absorption : Superior (NRC 0.55) Sound Blocking : Superior (CAC 33) Light Reflectance : 0.80 Rooms / Solutions : Basement, Home Theater, Light Commercial