Welcome to the home of FIRESAFE FIRE RATED DUCTWORK®


We are Fire Resisting Ductwork specialists.

Our CASWELL FIRESAFE® brand was created in 2003 and has been extensively developed ever since to both BS and EN Standards.

CASWELL FIRESAFE® is sold internationally through our Licenced Manufacturing Partner network located in the UK, Europe, Middle East, Asia and the USA.

In 2019 we received a Queen’s Award for Enterprise : International Trade 

Who We Are

What We Do

FIRESAFE FIRE RATED DUCTWORK Limited have 3 main areas of responsibility

  • Continuous development of the CASWELL FIRESAFE® product
  • Growth of the business by developing and expanding our network of International Partners
  • Support our existing Partners to enable them to provide 'best in class' performance

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CASWELL FIRESAFE® non-coated fire resisting ductwork systems are classed as Passive Fire Protection and have achieved verified fire resistance to protect against the spread of fire from one compartment to another. They provide this assurance without the need for enclosures, spray coatings or fabric coverings.

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Fire resisting ductwork is generally used when protection from the spread of fire from one compartment to another cannot be achieved using conventional thermally-actuated (fusible link) fire dampers

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Become a Partner

FIRESAFE FIRE RATED DUCTWORK Limited are actively seeking new Partners in regions around the globe not covered by existing licensing agreements. Interested? If so, please get in touch.

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International Partners

CASWELL FIRESAFE® non-coated, fire-resisting ductwork systems are currently manufactured under license by the following Partners:

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