Permavent supply the construction market with a range of class leading fire rated membranes for use in all types of modern construction. Our range of membranes offer exceptional fire properties that help prevent the spread of fire. All Permavent membranes are developed using the latest technologically advanced manufacturing processes and have been extensively and independently tested for their fire performance. Permavent's team of technical experts are always available to advise and support you on specifying the correct fire rated membrane for your next construction project.