Celotex FR4000 is our premium performance PIR solution. Through ongoing product innovation and breakthrough design, FR4000 represents pioneering advancement within the PIR industry, uniquely offering superior performance in terms of combined thermal efficiency, sustainability and fire performance.
With low emissivity textured aluminium foil facings, FR4000 is manufactured from rigid polyisocyanurate (PIR) using blowing agents that have low global warming potential (GWP) and zero ozone depletion potential (ODP).
With FR4000, you are specifying an insulation board that:
Celotex FR4000 can be specified in a variety of applications including: