Patent ID: 7063184

Claim:
An improved sound reducing panel suitable for use in an outdoor or a hazardous environment, comprising: a water resistant sound absorbing member defined by a first and second face surface and a plurality of peripheral edges; a water resistant sound blocking member defined by a first and second face surface and a plurality of peripheral edges; said second face surface of said sound blocking member being adhesively secured to said second face surface of said sound absorbing member for blocking the transmission of sound through the sound reducing panel; said water resistant sound blocking member comprising a sheet of polymeric material having a thickness of approximately one-eighth of an inch and having a weight equal to or greater than one pound per square foot; said water resistant sound blocking member having a sound transmission coefficient greater than 25; a support frame comprising an inner frame and an external frame; said inner frame including a water resistant curable polymeric material impregnated into a portion of each of said plurality of peripheral edges of said sound absorbing member; said external frame including a rigid metallic material overlying a portion of each of said plurality of peripheral edges of said sound absorbing member a porous covering sheet overlaying said sound absorbing member and said sound blocking member; an attachment for securing said porous covering sheet to said sound absorbing member; and a mounting for supporting the improved sound-reducing panel.