0.4 In. X 40 In. X 60 In. Self-Adhesive Heat Insulation Radiant Barrier, Aluminu por | ago 8, 2026Self-Adhesive Heat Insulation Radiant Barrier, Aluminum Foil Finish. Insulation Type Radiant Barrier. It’s excellent as noise dampening and is easy to apply. Compatible Install Surface Copper Pipes,Existing Insulation.