FIRESAFE FIRE RATED DUCTWORK Limited are fire resisting ductwork specialists and developed the CASWELL FIRESAFE® brand 15 years ago.

CASWELL FIRESAFE® is sold internationally through licenced manufacturing Partners located in the United Kingdom, Europe, Middle East, PRC & ASEAN region and the USA.


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

Find Out More

Our Products

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. CASWELL FIRESAFE® provides this assurance with their Passive Fire Protection products; without the need for enclosures, spray coatings, fabric coverings or an excess of fire dampers.

Find Out More


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

Find Out More

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.

Find Out More

International Partners

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

View All Partners