Product Guide Wood Decking Photo: H.wannebo. License: CC BY-SA 4.0. Behind the recommendations Related articles Behind the recommendations Related articles Wood Decking Wood decking made from FSC-certified wood or reclaimed wood and using alternative preservatives More about Wood Decking Can TimberSIL Manufacturer 'Make It Right'? Market Winnows Treated Wood Alternatives Treated Wood in Transition: Less Toxic Options in Preserved and Protected Wood Cool Products From Greenbuild 2009: An Expo Floor Tour Smaller Copper Particles, Smaller Environmental Impact for Treated Wood Treated Wood for Ground Contact, Minus the Toxic Pesticides Accoya, now code-approved for fungus and termite resistance, relies on acetylation as a benign alternative to conventional pressure-treated wood.