Abstract: A method of manufacturing an extruded part having an exterior shell and a core foam material. The method includes extruding the exterior shell from an extrusion die, and reaction injection molding the core foam material within an interior of the exterior shell using a distribution block having a plurality of orifices configured to inject the core foam material within the interior of the exterior shell. The orifices are configured to evenly distribute the core foam material throughout the interior of the exterior shell. the method can be used to form an exterior shell having a plurality of internal chambers, where the orifices of the distribution block are configured to inject core foam material within the plurality of internal chambers.

Abstract: A display wall section having features that aid in the alignment and mounting of the display wall section to a support surface. The display wall section has a first end portion with an alignment member and a second end portion with a recessed section adapted to receive and hold the alignment member therein during installation of the display wall sections. The alignment member includes an inclined surface that leads to a hook portion that extends above a front surface of the display wall section. The recessed section includes an inclined surface leading to a protruding edge that extends from a rear surface of the display wall section. The display wall system includes a plurality of the display wall sections and U-shaped edge members configured to fit over the edges of the display wall sections.