Insulating materials, including those having acoustic properties; materials, finished and semi-finished products and substances, namely, building insulation, sound absorbers and diffusers, acoustical insulation for buildings, acoustic tiles and sound absorbing materials for acoustic and thermal insulation, for sound insulation and the soundproofing of spaces and buildings; insulating paints, varnishes, plaster materials, oils and textiles; insulating panels in the nature of acoustical insulation barrier panels and acoustical panels for buildings; insulating foils; insulating strips in the nature of insulating tape and insulating fabrics; insulating films in the nature of insulating varnish and insulation foils; insulating coatings; substances for insulating spaces and buildings against moisture; sound absorbing and soundproofing materials; semi-processed acrylic resins; liquid insulating materials, namely, insulating waterproofing membranes; loose mineral wool, granules and fibres of mineral wool, boards of bound mineral wool, basins, blankets, stucco and felt of mineral wool, granules and fibres of mineral wool in loose or processed form, all for use as reinforcing insulating materials and filling insulating materials; caulking materials; rubber, gutta-percha, gum, asbestos, mica and goods made from these materials, namely, general purpose silicone rubber sealants; plastics in extruded form for use in manufacture; stopping materials, in the nature of thermal insulating materials, acoustic and fireproofing insulating materials, and insulation materials for protection against the chemical action and radiation, and packing and insulating materials, including thermal, acoustic and fire resistant insulation materials; flexible pipes and pipe sections, not of metal

Non-metallic building materials and elements, namely, non-metal ceiling panels, wall panels, decorative wall moldings and trim to be used in the application of acoustic, sound-damping, sound-insulating, sound-absorbing and soundproofing materials, for walls, ceilings and roofs; spray plaster; non-metallic building materials containing mineral wool and mineral fibres, namely, non-metal ceiling panels, wall panels, decorative wall moldings and trim; facing plaster