A wooden railing is a simple and relatively inexpensive option for decks. Capped composite is also inexpensive, while metal, cable rail and tempered glass cost more.
A simple wooden railing is the most economical option for a deck, according the Landscaping Network. Contractors can construct the railing out of pre-fabricated panels. They can also custom make the railing, though this adds to the cost. Such railings can also be matched with design details such as wooden trellises to add creative elements to the deck.
Wood can also be mixed with other materials. For example, a wooden frame can be outfitted with metal rods. This also adds to the cost. Wood is inexpensive to install, but it does require maintenance.
Another relatively inexpensive option for deck railing is capped composite. Inside a capped composite railing is wood flour mixed with plastic. On the exterior if this is a thin veneer of PVC-like material. Capped composite is typically constructed to resemble wood, but it also comes in different styles.
Metal railings are one step up price-wise from capped composite. Aluminum, iron and galvanized steel are the most common materials for deck railings. Pre-made panels are less expensive than custom panels. Cable rails and tempered glass are considered more high end options because of the expense associated with having them installed.