| Radiant barrier is a kind of building thermal insulation material with a structure of one / two bubble layer sandwiched by one or two aluminum foil or aluminum metalized film layer. The heat insulation function of Radiant barrier is mostly from aluminum foil or aluminum metalized film’s excellent reflectivity. It is designed for both new construction and retrofits. Using reflective insulation for either your home or metal building will increase the comfort level inside, protect against condensation and save on energy. | 
