PEFLEX® 426, hardly flammable Privacy nets are flame-retardant The PEFLEX® 426 S privacy net offers the best protection from wind and weather, but is still air-permeable and fire-retardant according to B1. Application The privacy net can be used for a wide range of applications such as sporting events, events, advertising, stage equipment, Trade fair construction, building cladding, etc. used indoors become.