SOUND BARRIER

Sound absorbing flooring underlayment; Sound barrier panels for use along highways and other transportation corridors; Sound control flooring underlayment; Soundproofing materials for buildings; Soundproofing materials for buildings and machinery

Cement bonded particle board; Construction material, namely, nonmetal exterior boards; Non-metal fire-resistant boards and panels for construction; Non-metal water-resistant boards and panels for construction; Nonmetal door parts for buildings, namely, adjusters for adjusting the height of a door, floor boards, columns, beams, paneling boards, sills, sleepers, backings for ceilings or walls, stiles, rails and ceiling boards; Roofing boards; Sheathing board; Wall boards; Wood-fiber reinforced cement boards; Construction materials, namely a nonmetal sub-floor membrane for residential and commercial soundproofing use