An insulated appliance which provides a simple, low cost product and method for containing fiber insulation for application to appliances. A combination of an appliance, fiber insulation layer applied to the exterior surface of a wall of the appliance and a multilayer metal foil adhesively bonded to the outside of the fiber layer. This combination is conveniently formed by adhesively bonding the fiber layer to the multilayer metal foil, then applying the fiber layer to the exterior surface of the wall of the appliance. In the appliance final assembly, the fiber layer is contained between the surface of the wall of the appliance and the multilayer metal foil. Optionally, the fiber is contained between two or more layers of multilayer metal foil, whereby one of the multilayer metal foil is in contact with the wall of the appliance.