A snap together tubing system having a plurality of molded plastic members which function to provide the posts and nails of a fence and are configured to be assembled with connectors formed of molded plastic to attach the nails to the posts by snapping them together. A flat sheet backer board is affixed or fastened to the to the tubing system to create a wall.

A baluster connector for interconnecting a baluster with a hollow end to a portion of a railing system by a fastener having a shaft and a head. The body portion can have an opening of sufficient size to pass the head of the fastener toward the second end of the body to seat against a necked-down portion within the interior of the body. Biasing flanges can extend away from the body to provide resistance when the body is positioned within a hollow end of a baluster.

An assembly of extruded members including: an extruded housing member including one or more holes formed along at least one side thereof for entry of ends of one or more second extrusions therethrough; and at least one extruded aluminum clamping member including one or more pairs of opposed clamping portions for clamping the ends of the one or more second extrusions therebetween.