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, Asia and the Middle East.


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® systems are classed as Passive Fire Protection and have achieved the highest verified fire resistance (BS476 : Part 24 up to 4 hrs) 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 fire dampers, enclosures, spray or fabric coverings.

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 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 that are not currently covered by existing licensing agreements. Interested? If so, please get in touch.

Find Out More

International Partners

The CASWELL FIRESAFE® range of fire resisting ducts are currently manufactured by the following Partners under license:

View All Partners