Non-metal building materials, namely, synthetic lumber comprised primarily of non-metallic automobile residue, seat foam, plastic, fabrics, carpet fibres, rubber and post-consumer recycled plastics for use in parking lot curb stops and wheel stops, rectangular curbing, railway crossings and dock cribbing, nestable, stackable, re-useable and rackable molded pallets, posts of various sizes, including fence posts, sign posts, posts for corrals, posts for wire and electric fencing, [ sheet goods, molded roof shingles and tiles, molded floor grates for animal barns,] edging, namely, bicycle path edging and roadway edging, temporary or permanent barricades, retaining walls, including landscape retaining walls, sound barriers, landscaping applications such as earth retaining walls and terracing, deck supports, planters and feed lots and livestock pens