Building glass; Building materials consisting of glass; Building materials of concrete reinforced with plastics and glass fibres; Glass elements for building panels; Glass for building; Glass for stained glass windows; Glass for the windows of buildings; Glass for use in buildings; Glass for windows; Glass for windows in buildings; Glass in sheet form for use in doors; Glass in sheet form for use in windows; Glass-reinforced plastic doors; Heat reflecting glass for building; Insulating glass (building); Multilayer coated safety glass for glazing buildings; Multilayer coloured safety glass for glazing buildings; Multilayer safety glass for glazing buildings; Multilayered insulating glass units for glazing buildings; Non-metallic building elements incorporating glass; Non-metallic building elements made from glass; Reinforced glass for building