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.

A partition wall comprising a panel with a first side edge and a second side edge, a first upright and a second upright is described, wherein the panel is fastened to the first upright and to the second upright along, respectively, the first side edge and the second side edge, wherein each upright comprises a longitudinal groove configured to receive, at least partially, the first longitudinal edge or the second longitudinal edge of the panel, and wherein each side edge further comprises a fastening member configured to assume a penetration configuration for penetrating inside the groove and a retaining position for retaining the side edge of the panel inside the groove.

A demountable wall partition system includes a first and a second demountable partition panel each including a board and having a front surface and a rear surface, and a flange connection element. At least one panel mount bracket is connected to each board and protrudes from the rear surface and includes a first end flange extending in a first flange plane parallel with the rear surface of the board and a second end flange. The panels are arranged spaced apart with the rear surfaces facing each other such that the at least one panel mount bracket of the respective panel form at least one pair of aligned panel mount brackets, wherein said brackets are connected to each other by means of the flange connection element which is connected to the end flanges of the brackets such that the flange connection element is supported by the brackets.

A tile clip for use in supporting a tile of a wall panel system. The wall panel system includes a plurality of wall panels that each include a support frame and one or a pair of tiles. The support frame includes a series of spaced attachment slots formed in the vertical posts of the frame. One or more tile clips can be installed on each of the vertical posts by inserting the tile clip into one of the attachment slots. The tile clip includes a base and a perpendicular end wall that includes an engagement lip. An attachment arm of the tile clip flexes to initially receive a side wall of the vertical post and holds the tile clip in place along the vertical post. The engagement lip contacts one edge of the tile to hold the tile in place on the vertical post.