Recycled Plastic comparison chart. Look how recycled plastic products perform! Recycled Natural Treated Steel Aluminum Concrete Plastic Lumber Lumber Requires maintenance Never Required Optional Required Never Optional (paint, stain, etc.) Won’t split, splinter, Never Poor Poor Poor Never Poor peel, crack, or blister Rusts, rots, or decays Never Poor Fair Poor Never Poor Resistance to vandalism Excellent Poor Poor Fair Poor Poor Impervious to moisture, Excellent Poor Fair - Poor Poor Excellent Excellent unaffected Environmentally Excellent Fair Poor Fair Excellent Fair friendly and non-toxic Long term cost savings Excellent Poor Poor Poor Fair Fair forecast Recyclable Excellent Poor Poor Fair Excellent Poor Impervious to insects, Excellent Poor Fair Good Excellent Excellent mold, mildew Contains chemicals, None No Poor Fair None None possible leaking