Test Methods Approved for Plastic Lumber

Sales of recycled plastic lumber have long been hampered by the lack of reliable data on its strength. Manufacturers who wanted to provide these numbers were stymied by the fact that no uniform testing procedures and standards existed to guide the tests. After four years of work by the Plastic Lumber Trade Association (PLTA) and others, those test standards are now available from the American Society for Testing and Materials (ASTM).

The test methods just approved are: