| 20100243369 | HIGHWAY NOISE BARRIER - A highway noise barrier panel assembly has a base panel, sound-attenuating insulation located adjacent an exterior surface of the base panel and an insulation retaining structure to secure the insulation in fixed relation to the base panel. A noise barrier has at least two generally vertical support posts, at least one wall panel with sides attached to the support posts, sound-attenuating insulation located adjacent an exterior surface of the wall panel and an insulation retaining structure to secure the insulation in fixed relation to the base panel. Additionally, a noise barrier retrofit kit adapted to be attached to a wall surface is provided with at least two channel-defining members adapted to be mounted to the wall surface in generally parallel spaced apart relationship, so as to define an insulation receiving channel therebetween, sound-attenuating insulation adapted to be located in such channel and at least one insulation retaining structure adapted to be secured to the channel-defining members whereby to hold the insulation in place. Further, a noise barrier having a wall surface, at least two channel-defining members mounted to the wall surface in generally parallel spaced apart relationship, so as to define an insulation receiving channel therebetween, sound-attenuating insulation located in such channel and an insulation retaining structure secured to the channel-defining members whereby to hold the insulation in place is provided. | 09-30-2010 |
