We developed our CASWELL FIRESAFE® Brand in 2003, which is now sold internationally through our carefully selected network of Licensed Manufacturing Partners.
Article content provided by Firesafe Fire Rated Ductwork Ltd.
Fire resisting ductwork is generally used when protection from the spread of fire from one component to another cannot be achieved using conventional thermally-actuated (fusible link) fire dampers.

If you have any Fire Resisting Ductwork requirements, please contact our partners based in Boston, MA, Atlantic Air Products MFG LLC, or McCusker-Gill Inc.
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.
Learn more about Firesafe Fire Rated Ductwork.
Have a question for Firesafe Fire Rated Ductwork? Contact Firesafe Fire Rated Ductwork here.
FIRESAFE FIRE RATED DUCTWORK® Limited are responsible for the development of the CASWELL FIRESAFE® product to ensure that it is current and meets the relevant standards of fire protection. Our staff take an active role within the Fire Protection and Ductwork industry sitting on ASFP, BESA and British Standard Institute committees. This ensures that we remain at the cutting-edge of developments within our industry. Our market leading product and best-in-class specialist technical knowledge are the key success factors for our business.
Jun 23, 2026 — Products & Services Update
Jun 23, 2026 - Free online training built for sheet metal and HVAC pros to improve installation quality, efficiency, and workforce skills—available anytime, anywhere.
Jun 23, 2026 - Milwaukee® expands their thin metal category lineup with the introduction of the M18 FUEL™ 10-Gauge Nibbler, the largest capacity cordless nibbler on the market.
Jun 23, 2026 - Your company vehicles are highly visible markers of your business in the local community. Every time your employees drive in a branded vehicle, they carry your company’s reputation with them.