non-metallic minerals for building or construction; ceramic building materials, bricks and refractory products; sound barrier of ceramic; ceilings, not of metal; ceiling material, not of metal; floating floor boards, not of metal; building materials made of linoleum for fixing to existing walls or floors; plastic building materials, namely, insulation panels, namely, non-metal building panels incorporating acoustic insulation, plastic building boards, acoustic panels, not of metal; synthetic ...