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Dovista
The VKR group's Danish window house, with certified fire windows.
Top companies · October 2026
The Danish window and door group behind the Rationel brand, part of VKR Holding, holding EN 16034:2014 certificate 2531-CPR-CDB10010 for the Rationel AURA and AURAPLUS fire doors. A timber-window house certifying a fire doorset is unusual: most EN 16034 holders are steel or aluminium fabricators.
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Fabrik & hovedkontor
Ringkøbing, Central Jutland
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