Ottnang am Hausruck manufacturer holding 10 live VKF recognitions — Brandschutztüren (6), Brandschutztüren mit Verglasung (2) and two VKF-TA Brandschutzabschlüsse. A VKF-TA approval covers a closure assessed against a Technische Anforderung rather than a standard product family, which is the route used for assemblies that do not fit an existing category; holding two of them for a firm this size is a wider scope than the headline count suggests.