Insulating materials; sound insulation and sound absorption materials; packing, stopping and filling materials; preparations for sealing joints; expansion joint fillers; adhesive tapes included in this class

Non-metallic building materials; plaster and plasterboard; building boards; ceiling tiles; non-metallic ceilings; wallboards; non-metallic wall claddings, wall linings and wall tiles; building lathes; partitioning; coving; jointing compounds