Glass fibers, for insulation; glass fibre for insulation purposes; glass fibre strips for insulation purposes; glass fibres for insulation purposes; glass fibres, for insulation; glass wool for insulation; insulating materials for insulation against heat; insulating materials for insulation against sound; insulation material for roofing; materials for acoustic insulation; materials for insulation made of glass fibre; materials for thermal insulation; materials for wall insulation systems; rock fibres in the form of matting for insulation; rock wool (insulation); sound insulation materials; thermal insulation material; thermal insulation material used in the conversion of lofts