Armstrongs CALLA Health Zone AirAssure Acoustic Mineral Fiber Ceiling Panels deliver superior sound absorption, contributing to quieter, more focused interior environments. With a high NRC (Noise Reduction Coefficient) rating and exceptional Clean Room performance (ISO 5), these panels are ideal for areas requiring both acoustic privacy and enhanced air quality. The surface resists mold, mildew, and sagging, making it a durable, low-maintenance option for long-term use. CALLA Health Zone panels are also fully recyclable and meet high sustainability and indoor air quality certifications including CDPH, HPD, and EPD documentation.