Accreditation and Certification
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From the early days of DoorTechnik, we have focused on quality and approved methods and materials to build consistent products. Over time, our product range and systems have grown and we now also have formal accreditation or certification from reputable external organisations.
We are an ISO 9001 certified company. DoorTechnik's fire testing is certified by Exova - Warrington Fire. Our acoustic testing is certified by Salford University, Manchester. 
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