Metal-construction firm at Effretikon holding 98 live VKF recognitions across Brandschutztüren (32), Brandschutztüren mit Verglasung (45), Brandschutztore (11), vertical fire-rated glazing (9) and a movable shaft front. The mix of hinged doorsets and sliding fire shutters under one VKF holding puts it among the small number of Swiss makers able to certify both, and its glazed-door approvals are the second-deepest in the register. It also holds a firestopping recognition in Untergruppe 223.