Feature Article

Treated Wood in Transition: Less Toxic Options in Preserved and Protected Wood

July 31, 2006

EBN

Vol. 11, No. 3). The mainstream, copper-based replacements for CCA corrode fasteners more rapidly than CCA, increasing the risk of collapse for thousands of decks and other structures. Some of the new chemical treatment systems are entering the market with very little scrutiny from regulators, while one of the most promising treatment alternatives, TimberSIL™, is the target of a campaign by the industry to get regulators to reclassify it as a toxic chemical—even though it isn’t toxic. And meanwhile, the 60 billion board feet (140 million m