Superfoil Radiator Insulation SuperFOIL RadPack provides an economical solution to prevent heat loss and reduce household energy bills. Installed behind radiators, SuperFOIL RadPack works by reflecting over 95% of radiant energy away from the wall and back into the living space. Easy to install with no mess, just cut to fit the radiator and secure using the self-adhesive pads. SuperFOIL RadPack fits all radiator sizes and there's no need to remove your radiator from the wall. SuperFOIL RadPack is an environmentally friendly way to improve home energy efficiency Due to geographical locations we are unable to deliver to: Isle of Wight, Isle of Man and Ireland.