#CAPTION# #CAPTION-Mobile# #DOWNLOADTYPE# Download #DownloadDropDown# #file-path# #caption# Home / Armstrong World Industries, Inc. / Suspension Systems Armstrong World Industries, Inc. -Drywall Grid AccessoriesDOWNLOADSAccessories to install the Armstrong Drywall Grid System.Category: acoustic ceiling suspension systems | dropped ceilings | drywall suspension grids...MasterFormat: Ceilings | Acoustical Ceilings | Acoustical Ceiling Suspension AssembliesView Product Details From Manufacturer Armstrong World Industries, Inc.P.O. Box 3001Lancaster, PA 17604 Tel: (717) 397-0611techline@armstrongceilings.comhttps://www.armstrongceilings.comFind a rep/distributorRequest More Info DOWNLOADS Related Products Overview Drywall Grid AccessoriesAccessories to install the Armstrong Drywall Grid System.See More See Less Downloads SpecificationsPerformance Fire Fire Resistance * FireGuard Seismic Categories ** DEF Performance Profile Types Drywall/Stucco/Plaster Exposed Tee