US Patent 7543802 Railing system

A rail for a railing system includes a proximal member extending lengthwise of the rail and securable to ends of balusters; a cover member extending lengthwise of the rail and disposed adjacent the proximal member; and a reinforcement member disposed between the proximal member and the cover member. The reinforcement member includes a first attachment element coupled to a first one of the proximal and cover members, and the other one of the proximal and cover members is coupled to at least one of the reinforcement member and the first one of the proximal and cover members.