6 house mark for interior and exterior metal building materials and products used to fabricate a building structure in which the materials and products are "green", ie, efficient and originate in whole or in part from recycled materials and products, the recycled materials and products are primarily formed from steel and/or aluminum, namely, building materials and products, namely, bars, beams, cables, casements, castings, chimneys, cladding, doors, ducts, expansion joints, fencing, flashing, flooring, framing, garage doors, gaskets, gate stops, girders, gratings, gutters, handles, hinges, hooks, joists, knobs, latches, nails, panels, pipes, posts, runners, sashes, seals, shims, shutters, siding, staircases, staples, tiles, valves, vent covers, and wainscotting