Don’t choose between total noise control and design flexibility, choose both with TOTAL ACOUSTICS ceiling panels. Featuring both sound-blocking and sound-absorption qualities, scratch- and soil-resistant, smooth-textured Calla panels are ideal for libraries, music rooms, language labs and busy offices. BioBlock and HumiGuard Plus treatments ensure premium levels of sag, humidity, mold and mildew protection. As a part of the Armstrong? CLEANASSURE family of products, you can clean and disinfect your panels’ surfaces without compromising their structural integrity. Compatible with a wide range of grid systems, including the TECHZONE Ceiling System, these tiles always install quickly and easily. Check Edge Detail to ensure your choice matches your grid system and trim. Non-Directional Visual?Helps reduce installation time while reducing scrap. Material Family: Fiber; Material: Mineral Fiber; Weather Resistant: No; Fire Resistant: Yes.