... to install;Heat reflection, heat insulation, sound insulation, anti- radiation, anti- vibration, and shielding;high Adhesion Strength super Holding Power good Conductivity ... barrier foil is the combination of 4 layers, the top layer is PE coating, the middle layers are aluminum foil ... (honed side), and PE, and the bottom layer is woven fabric. Melted PE is mechanically extruded down and ...