Portaflex, trading as Covamen, is an industrial joinery at Evegnée-Tignée in the Soumagne municipality of Liège province, making interior joinery and timber door frames. It holds Belgian ATG 3371 for the PORTA FIRE-Glass, issued in March 2026 — the most recent fire-door approval in the Belgian register — which puts it in the small group of firms with any certified fire glazing. It has traded since 2010.