Wood patio decks are outdoor living spaces that are built above ground. While they typically adjoin a structure, such as a home, they can also be built as a boardwalk or be atop a building as an observation deck. The structure of a wood patio deck is commonly framed with treated lumber. While a number of different types of wood, including softwood, hardwood, domestic or tropical wood, can be used for the top surface deck, each has it's own advantages and disadvantages.

Wood decking is created using structural boards or planks and attaching them to joists, beams, rafters, or trusses to form a floor or roof surface. Similar to sheathing, the boards act to provide lateral support to the structure and carry the live and dead loads from above to the floor or roof structure below.