Door and gate specialist at Muolen holding 20 live VKF recognitions split evenly between Brandschutztüren (6), glazed fire doorsets (6), VKF-TA Brandschutzabschlüsse (6) and Rauchschutzabschlüsse (2). The VKF-TA share is notable: those are closures assessed under a Technische Anforderung rather than a standard product family, which is the route Swiss practice uses for assemblies that do not fit an existing Untergruppe.