Acoustic building materials (other than for insulation); non-metallic building materials for roofs; non-metallic building materials for use in cladding; non-metallic building materials for waterproofing purposes; non-metallic building materials having insulating properties; non-metallic building materials having sound deadening properties; non-metallic building materials having thermal insulation properties; non-metallic building materials in sheet form; non-metallic building materials in the form of panels; partitions being non-metallic building materials