Osac - USG Halcyon Logix Acoustical Panels - Ceiling Tile Arizona http://www.osac.info/story.php?title=usg-halcyon-logix-acoustical-panels-ceiling-tile-arizona USG Halcyon Logix Acoustical Panels have a high noise reduction coefficient (NRC) of up to 0.95 and CAC (Ceiling Attenuation Class) performance. Mon, 19 Jun 2017 08:51:05 UTC en