#CAPTION# #CAPTION-Mobile# #DOWNLOADTYPE# Download #DownloadDropDown# #file-path# #caption# Home / Armstrong World Industries, Inc. Armstrong World Industries, Inc.P.O. Box 3001Lancaster, PA 17604 Tel: (717) 397-0611techline@armstrongceilings.com http://www.armstrongceilings.com Find a rep/distributor Request More Info DOWNLOADS Related Products Overview Downloads