Kingspan Insulation manufactures structural Polyisocyanurate (ISO-CF®, a modified polyurethane) as well as Expanded Polystyrene (EPS) rigid foams in varied densities for use in composite applications - particularly sandwich composites and composite insulation board. Kingspan Insulation has composite substrate materials to meet many priorities of composite engineers.

Product physical properties are independently verified, and our quality processes audited. Our high production capacities, on-hand inventories, and just-in-time deliveries generate advantages for end-users while lowering per-unit costs.

ISO-CF product rendering


ISO-CF and ISO-CF/HT are closed-cell thermoset rigid foam cores. Kingspan's ISO-CF densities range from 2 to 6 lb/ft3, (32–96 kg/m3) and are available as sheets, blocks, or fabricated shapes