| 7D | +1.9% |
| 1M | +19.9% |
| 3M | +17.1% |
| 6M | -6.2% |
| YTD | -1.9% |
| 1Y | -0.3% |
Armstrong World Industries, Inc. is an international designer and manufacturer of wall and ceiling building materials based in Lancaster, Pennsylvania. As of 2014, AWI had 3,100 employees and a global manufacturing network of 17 facilities, down from 26, including nine plants dedicated to its WAVE joint venture, in 2012.