Kingspan is a market-leading manufacturer of premium and high-performance rigid insulation products and insulated systems for building fabric and building services applications. We stock a wide variety of their products for both flat roofing and pitched roofing applications including their OPTIM-R, Kooltherm, Therma and Kingspan GreenGuard insulation boards. We also sell Kingspan nilvent, a breathable membrane suitable for use in unventilated pitched roof and timber frame wall applications.