HUECK, trading as Hydro Building Systems Lüdenscheid GmbH, engineers aluminium window, door and facade systems in Lüdenscheid, with its Lava series covering fire-rated and smoke-control doors, screens and glazed partitions. The Lava fire systems are supplied under DIBt allgemeine bauaufsichtliche Zulassung with EN 13501-2 classification and CE marking to EN 16034, supported by fire test evidence from ift Rosenheim and MPA institutes. Systems are fabricated by a licensed metalworking partner network across Germany.