Pros and Cons of Composite Decking - TrustedProsHire the best deck contractor in your city. Easy, free, fast. wood plastic composite chips. There are various composite products on the market. Bear in mind that product availability depends on your location. Big name composites, like , ... functional composite deck. In addition to railings, you can create elaborate stair and landing designs with composite products. Most manufacturers offer trim boards to cover all of the rough edges to keep your deck safe for children and the elderly.