Accreditations & Certifications

Thor Duct® Licensed Manufacturers of Fire-Rated Ductwork to BS476 standards since 2018.

We are now thrilled to announce that from July 2024, our licence has been approved and extended to enable us to manufacture Fire-Rated ductwork to EN Standards.

UKAS is the National Accreditation Body for the United Kingdom. They are appointed by government, to assess and accredit organisations that provide services including certification, testing, inspection, and calibration.

UKAS certifications come with the coveted ‘Crown & Tick’ mark, underlining the security that only comes from Government-backed certification.

You can verify the validity of our ISO certificate by entering the certificate number 206718 via this link: www.british-assessment.co.uk/verify-certification/