Firesafe Fire Rated Ductwork Limited are fire resisting ductwork experts. Their Caswell Firesafe® brand was made in 2003 and continues to be thoroughly evolved ever since. In 2019 they received a Queen’s Award for Enterprise : International Trade. Caswell Firesafe® is sold internationally by way of their Licenced Production Associates http://travisjznap.blogsuperapp.com/10067973/developing-caswell-firesafe-fire-resisting-ductwork-around-the-globe