Free advice for contractors & FM specialists across the UK.
WWW.NAADUK.CO.UK
01404 891 539
THE ASSOCIATION PEOPLE TRUST
NAADUK’s certification of members, cutting- edge guidance, broad partnerships, and proactive industry leadership make it the trusted authority for ventilation hygiene in the UK. Companies and clients rely on NAADUK to ensure competence, safety, and up-to-date standards in air-duct cleaning and ventilation maintenance. Regular industry forums and shared best practices reflect NAADUK’s member-driven spirit of collective improvement.
NAADUK has produced industry-leading technical
guidance, including NAAD-21: Air & Grease developed in collaboration with experts, institutions, and related associations which sets the benchmark for the ventilation hygiene sector.
Building on this, NAAD- 22: Fire Dampers is the UK’s leading guidance on the design, installation, maintenance, and testing of fire dampers. This comprehensive standard provides clear, practical advice to ensure dampers perform when they’re needed most — protecting lives and ensuring compliance with the latest fire safety legislation.
Join NAADUK in
setting the standard for ventilation hygiene and fire safety. Whether you’re a contractor, building manager, or duty holder, our guidance and member
network provide the assurance of compliance, competence, and best practice.
Partner with the UK’s trusted authority.
NAAD-21: AIR & GREASE 2025
The National Association for Air Duct Specialists (NAADUK) has launched the updated NAAD-21: Air & Grease (Version 2 – 2025), the industry’s go- to guidance for ventilation maintenance, grease management, and duct hygiene.
The new version strengthens inspection protocols, introduces specialist guidance on phenolic
ductwork, improves standards for duct access, and promotes digital record-keeping and sustainable cleaning practices. Developed with industry experts, the document provides a practical framework for contractors, facilities managers, and building owners to achieve safer, cleaner, and more efficient ventilation systems.
Best of all, NAAD-21 (2025) is available free to download from the NAADUK website, ensuring that everyone in the sector has access to consistent, up-to-date best practice.
As an association, we pride ourselves on offering expertise and guidance without attachments for the benefit of the industry.
FRee download. For everyone.
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