Caswell FRD are Fire Resisting Ductwork professionals. They manufacture Caswell Firesafe® units under licence from Firesafe Fire Rated Ductwork Limited. This licensed product has been specified, created and installed internationally within countless prestigious construction initiatives across the globe in the last 17 yrs…and its scope, use and popularity continues to http://fireresistingductworkinst57899.thezenweb.com/Introducing-Caswell-Fire-Resisting-Ductwork-FRD-Manufacturers-of-Caswell-Firesafe-Systems-42733701