
The insulation barrier is made with a flexible foam polyethylene substrate and a film which is secured to at least one side of the substrate and which extends from at least one lateral edge of the substrate. The insulation barrier may be supplied in roll form or in panel form. In one embodiment, the film may be provided with a plurality of small holes to permit moisture vapor to pass through under a differential pressure on opposite sides of the barrier. In still another embodiment, the substrat...











