Armstrong's ULTIMA ceiling panels are part of the Armstrong SUSTAIN portfolio, supporting green building initiatives and compliance with LEED v4 and WELL Building Standards. Many variants within the ULTIMA series feature high NRC (Noise Reduction Coefficient) ratings for sound absorption and CAC (Ceiling Attenuation Class) ratings for sound blocking, along with options like HRC (High Recycled Content) and AirAssure for enhanced indoor air quality performance. With a wide range of sizes, edge details, and acoustic profiles, ULTIMA offers long-term value and flexible ceiling design solutions across a broad set of application needs.