Abstract: A fencing system that includes a plurality of fence rails extending between two fence posts. The fence rails may comprise a foamed material core that is enclosed by a weather resistant capping material. One or more hollow passageways may be formed in each of the fence rails to both reduce weight and to receive a metal reinforcing member. A plurality of fence pickets may be installed onto the fence rails using power driven fasteners, such as ring shank nails or staples.