Firesafe Fire Rated Ductwork Limited are fire resisting ductwork specialists. We developed our CASWELL FIRESAFE® non-coated fire resisting ductwork system over 18 years ago and it is now manufactured and installed globally through Licensed Manufacturing Partners. Firesafe Fire Rated Ductwork Limited is 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.