Loft Insulation, foil insulation
Therma-Foil is a Radiant barrier and will therefore reflect radiant energy. There is no standard test designed to measure the reflection of radiated heat energy alone. Radiant barriers prevent radiant heat transfer equally in both directions. However, heat flow to and from surfaces also occurs via conduction and for this reason we laminate our foil to a 2.5mm closed-cell foam which acts as an insulator, which when the two are combined to significantly reduces heat transfer.
, Loft Insulation