The Reflectix concrete slab insulation is an innovative, easy-to-handle product that increases the energy efficiency of radiant floor and snow melt systems (under concrete). The foil, within the product, acts to spread out the heat signature of the heating coils. This results in a more comfortable floor due to a more even floor or slab surface temperature.,The Reflectix concrete slab insulation is an innovative, easy-to-handle product that increases the