Traditional decks are built from treated yellow pine, or untreated cedar or redwood. These decks require routine maintenance and cleaning. Additionally, wood can crack, rot, warp, and mold can grow on its surface. Composite and plastic decking lumber is an attractive yet durable, low maintenance alternative to traditional decking materials. An annual cleaning to remove dirt and mold is all these decks require. Many use recycled materials that would otherwise end up in landfills. Download this fact sheet to learn more about composite and plastic decking lumber and products available.