Wood and Composite Decking: Pros and Cons - The Spruce29 Mar 2017 ... modern house with deck. A modern house in Carmel, California, with a wood deck. John Edward Linden/Getty Images. wood or composite deckingor something else? like any major home purchase, decking materials vary in looks, durability and cost. Start your research here, ... that means your old milk, water and juice containers and detergent and shampoo bottles may be recycled into the plastic lumber that is used to construct your deck. An eco thought. Pros:.