Sound absorbing flooring underlayment, sound barrier panels for use along highways and other transportation corridors, soundproofing materials for buildings, asbestos boards; architectural acoustic plates, namely, sound absorbers and diffusers; reinforcing materials for pipes, namely, plastic bars, rods and tubes; sound absorption plates for buildings and machinery

Sound absorbing flooring underlayment, sound barrier panels for use along highways and other transportation corridors, soundproofing materials for buildings, asbestos boards; architectural acoustic plates, namely, sound absorbers and diffusers; reinforcing materials for pipes, namely, plastic bars, rods and tubes; sound absorption plates for buildings and machinery