Welcome to Therma-Foil - the revolutionary foil insulation that offers high performance as loft insulation, wall insulation and floor insulation. Designed to maximise your building's heat efficiency, Therma-Foil is an infra-red reflective foil that's bonded with a layer of closed-cell foam, creating an easy-to-install and flexible product that's ideally suited for a wide range of applications in domestic, commercial and educational premises.