CertainTeed's Sand Micro mineral fiber ceiling panels are designed for durability, high humidity resistance, and sag resistance, making them suitable for conditions with elevated temperatures and humidity levels. Furthermore, they are micro-perforated to enhance sound absorption, with an NRC (Noise Reduction Coefficient) of 0.50. These panels are ideal in such setting as educational institutions, retail spaces and malls, office environments, corridors, and the hospitality industry.