1/2 in x 7/8 in x 12 in Armstrong WoodWorks Flat Backer Kit / Black - 7290GBL
7/8 in x 2 ft x 2 ft Armstrong Optima 15/16 in Vector Panel / White - 3901PB
3/8 in x 1 ft x 4 ft Armstrong FeltWorks Blades HookOn Peaks & Valleys Kit / Smoke - 6533KPV0002FSE
12 ft x 1 11/16 in Armstrong Prelude Plus XL Fire Guard 15/16 in Exposed Tee Main Beam / White Aluminum - HD8201WA
3/8 in x 1 ft x 4 ft Armstrong FeltWorks Blades HookOn Peaks & Valleys Kit / Whisper - 6533KPV0002FWR
5/8 in x 2 ft x 4 ft Armstrong CeramaGuard Fire Guard 15/16 in Square Lay-In Panel / White - 605
2 in x 10 in x 46 in Armstrong SoundScapes Blades Vertical Rectangular 15/16 in Square Edge Panel / White - 8250F03RH01DWH
3/8 in x 1 ft x 8 ft Armstrong FeltWorks Blades HookOn Peaks & Valleys Kit / Whisper - 6533KPV0001FWR
5/8 in x 2 ft x 4 ft Armstrong CeramaGuard Fine Fissured Fire Guard 15/16 in Square Lay-In Panel / White - 608
7/8 in x 2 ft x 2 ft Armstrong Optima 15/16 in Beveled Concealed Panel / White - 8530
7/8 in x 2 ft x 2 ft Armstrong Optima 15/16 in Vector Panel / White - 3900PB
1 1/2 in x 3 1/2 in x 6 ft Armstrong ACGI Grille Backer Series 1 / 5 Blade - GB1-5350-I