Patent ID: 8739924
Filing Date: 2014-06-03
Classification: E04B,G10K

Abstract:
1. A fire resistant acoustic panel, comprising: a sound absorbing member defined by a first and second face surface and a peripheral edge; a sound blocking member secured to said second face surface of said sound absorbing member by an adhesive layer for blocking the transmission of sound through the sound reducing panel; said sound blocking member being spaced from said second face surface of said sound absorbing member by a spacing sound absorbing member; said sound blocking member comprising a sheet of mineral filled polymeric material having a thickness of approximately one-eighth of an inch and a weight equal to or greater than one pound per square foot; a porous covering sheet overlaying said first face of said sound absorbing member, said porous covering sheet being formed from a fire retardant acoustically transparent material; and said porous covering sheet overlays said outer peripheral edges of said sound absorbing member.