Insulated concrete wall system and method for its manufacture
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Abstract
An insulated wall system includes a concrete wall, either cast or built up with blocks, to which is attached several insulated panels, each of the insulated panels having reinforcing strips placed in recesses of the panel that extend the length of the panel. A reinforcing layer is provided on the outer surface of the panels that extends across the top of the recess and across the top of the reinforcing strips. This layer provides a vapor barrier, and is sealed between the fasteners and the reinforcing strips when the panels are attached to the concrete wall. The wall system is constructed by making the concrete wall, then attaching each of the insulated panels to the wall by fasteners that penetrate the reinforcing strips and are embedded in the wall. The wall system may also include another outer layer of wallboard that is mounted to the reinforcing strips, but preferably not to the wall itself. This wallboard preferably has the same planar dimensions (although not the same thickness) as the insulated panels and is mounted in a staggered relationship to the insulated panels. The wallboard is preferably staggered so that opposing edges of the wallboard are fastened to the reinforcing strips of the insulated panels. Since the reinforcing strips are preferably not located at the edges of the insulated panels, this will result in the wallboards being offset from the insulated panels, and also in their being attached to two or more insulated panels at the same time.
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