An extrusion profile and cap system is provided. The extrusion profile may be made of metals, polymers, ceramics, and the like. The extrusion profile may include an outer perimeter forming an internal cavity. At least one channel may be formed along the outer perimeter and protruding into the internal cavity. The cap is releasably attachable to the extrusion profile and may cover at least a portion of the channel. The cap may hide bolts, screws, angle bars, wires and the like within the channel.