Importance

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Abstract

A thermally insulative building construction panel (10) is comprised of a first or top sheet (20) that is a rigid nail-anchoring material; a second sheet (22) comprised of aluminum foil firmly adhered to the top sheet (20); and, a third or bottom sheet (26) comprised of an insulation material comprising low density foam insulation. A plurality of spacer members (24) are sandwiched in fixed positions between the second sheet (22) and the third (bottom) sheet (26) for defining air channels (25) between the sheets and between the spacer members themselves to permit multi-dimensional air flow substantially throughout the panel. In a first example embodiment, plural discrete spacer members are arranged in a pattern such that, for the discrete spacer members arranged in any direction of alignment, an air channel extends perpendicular to the direction of alignment. In a second example embodiment, elongated plural spacer members are configured to permit multi-dimensional air flow substantially throughout the panel by having a surface thereof formed in a square wave shape with alternating crests and troughs which essentially repeat along a major dimension of the spacer member. In a third example embodiment, panels of either the first example embodiment or the second example embodiment have their first sheet formed with a smaller surface area than the third sheet to facilitate formation of an expansion gap between adjacent panels.

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First Claim