National Steel Corporation

Robert H Buchanan, Jr

A wall panel assembly for an external building roof or wall including a plurality of generally rectangular sheet metal panels each including a longitudinally extending outwardly projecting reinforcing rib adjacent each longitudinal side edge and at least one such rib intermediate said longitudinal side edges with the panels being disposed in parallel relationship with the reinforcing ribs on adjacent side edges of successive panels overlapping and secured to underlying structure by a plurality of headed fasteners penetrating each said panel along each reinforcing rib has the fastener heads concealed by batten strips mounted by clips which are secured to each reinforcing rib by the headed fasteners.

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Canton, MI, United States of America

Robert H Buchanan, Jr