At home, at work, in healthcare facilities, classrooms, stores, or restaurants, Armstrong World Industries offers interior solutions that help to enhance comfort, save time, improve building efficiency and overall performance, and create beautiful spaces. Armstrong ceiling panels offer a range of performance options depending on the needs of your project. Fine textured Cirrus offers excellent noise reduction / BioBlock technology with no-added formaldehyde prevents mold and mildew growth to keep the ceiling tiles looking new longer / HumiGuard Plus ceiling panels are recommended for areas subject to high humidity, up to, but not including, standing water and outdoor applications.