Plastic Lumber in Landscaping Applications - Chicago State University
May 12, 2003 Plastic lumber, a product made from recycled plastic, is ideal for use in . requires material sorting to ensure purity of the plastic input, thus increasing its cost. . 2000 National Post-Consumer Plastics Recycling Report. 66 ICBO Evaluation Service, Inc. ER-5747 Seventrust Wood-Polymer Composite Lumber.