Rmax TSX-8500 is a polyisocyanurate thermal insulation board designed to meet the demands of today’s building industry. This product is suitable for use in walls, ceilings and limited roof applications in new construction for commercial, residential, agricultural and industrial buildings and in thermal retrofit construction within existing buildings. Rmax TSX-8500 is a cost effective way to increase your buildings thermal efficiency with one of the thinnest profiles available on the market today. TSX-8500 is manufactured with reinforced aluminum foil facers on both sides. The exposed side has a reflective aluminum surface to provide an attractive, strong and durable interior finish that is pressure washable and designed for use without a thermal barrier.