Certified quality: European Technical Approval
The IHF fasteners IHF Stretch Bolt, IHF Roundnut and the IHF Stretch System are certified with the ETA - European Technical Approval (Europäische Technische Zulassung, ETA-13/0243). The certification was carried out by the German Institute of Construction Technology (Deutsches Institut für Bautechnik).
The ETA certification includes the fully accordance of quality requirements of precise fastener production, the flawless application of the fasteners and the proper application of the IHF Stretch System.
Additionally the flawless in-field application of the IHF Stretch System was certified by the certification institute DNV GL (merged cooperation of the former certification insitutes Det Norske Vertias and Germanischer Lloyd).