We do ventilation. And we do it well.


From mild steel to stainless, galvanized to fully-welded, we offer the widest range of ducting solutions to our customers.

Why use Chapman Ventilation?

Since moving to our state-of-the-art 35,000 square foot production facility, we have invested heavily in equipment and processes. This has allowed us to offer the widest range of ductwork to suit all requirements:

  • Galvanised – DW144 & DW172
  • Mild steel welded
  • Stainless steel
  • Aluminium



Our Capabilities

We are able to produce large-scale ductwork supply, as well as fully bespoke individual items. If required, Chapman Ventilation also offer silencers and fan housing to ensure a comprehensive ductwork system.

We offer:

The best response
and turnround times

The most
competitive prices

The highest
standards of production

Our Ductwork

Manufactured in our facility in Welwyn Garden City, fully compliant to DW 144. Our extensive ductwork history means we can fulfil all of your requirements, regardless of size and scale. As shown here, we can manufacture for the industrial sector as well as smaller sizes for commercial or hospitality applications. We utilise computer aided design and have highly skilled operatives, including our team of welders. As a result, we can manufacture to your exact requirements, while offering the best value and delivery times.

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