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GMB Air Conditioning & Ventilation Services Ltd
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    • Home
    • Products
    • Fire Rated Specification
    • Contact Us
    • EN Regulations
    • Accreditations
    • Privacy Policy
GMB Air Conditioning & Ventilation Services Ltd
  • Home
  • Products
  • Fire Rated Specification
  • Contact Us
  • EN Regulations
  • Accreditations
  • Privacy Policy

Accreditations & Certifications

LICENSED MANUFACTURER OF Thor Duct® FIRE-RATED DUCTWORK

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.

ISO9001 - CERTIFICATE NUMBER: 206718

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/ 

  • Products
  • Fire Rated Specification
  • Contact Us
  • EN Regulations
  • Accreditations
  • Fire Ductwork
  • Kitchen Extract
  • Smoke Extract
  • THOR 2.0 DUCT
  • Rectangular Ductwork
  • Bespoke Ductwork
  • Spiral Ductwork

GMB Air Conditioning & Ventilation Services Ltd

Building 3 & 4 Pebsham Rural Business Centre, Pebsham Lane, Bexhill on Sea TN402RZ

01424733844

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*NEW FOR 2024*

We are proud to announce we will be licensed manufacturers of  Thor Duct® EN fire rated ductwork from July 2024.  This is in addition to our already existing Thor Duct®  BS476 license.

Learn more

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