ACOUSTIBuilt™ Seamless Acoustical Ceilings is a new ceiling system that provides the look of drywall but performs like an acoustical ceiling. Achieves a Noise Reduction Coefficient (NRC) of up to 0.70, Also has Ceiling Attenuation Class (CAC) up to 48, indicating its ability to ensure speech privacy by preventing sound from entering adjacent spaces. Meets LEED® v4, Living Building Challenge? and the WELL Building Standard™.