 LANCASTER, Pa., Feb. 08, 2022 GLOBE NEWSWIRE -- Armstrong World Industries, Inc. NYSE:AWI, a leader in the design, innovation and manufacture of commercial and residential ceiling, wall and suspension system solutions, will release its fourth-quarter and full year 2021 results before the market opens on Tuesday, Feb. 22 and host a conference call to discuss these results at 10:00 a.m. ET. 