Roofing, not of metal, incorporating solar cells; mounting frames, not of metal, for solar panels; roofing, not of metal, incorporating photovoltaic cells; coated glass for building; alabaster glass for building; building glass; insulating glass for building; smart glass for building; enamelled glass, for building; coatings [building materials]; quartz; silica [quartz].

Coloured sheet glass, not for building; tempered glass, not for building; common sheet glass, not for building; figured plate glass, not for building; semi-worked glass, except building glass; glass, unworked or semi-worked, except building glass; common glass, not for building; modified sheet glass, not for building.