Xci 286 is an energy-efficient rigid foam insulation comprised of a class A flame-spread polyisocyanurate foam core manufactured online to 15 mil glass-fiber reinforced foil facers. One facer is white and non-printed, the other facer is reflective and printed. Either side can be exposed and passes NFPA 286 test requirements for exposed interior wall or ceiling use in commercial, residential, industrial, agricultural and metal building applications. It can be used in new construction or used for interior retrofit within existing buildings.