Product Description ShadowRib combines aesthetics, economics, and function to bring definition to metal structures. ShadowRib is a proven performer and a versatile tool to the designer. Gauge: 24 and 22 (22 ga. minimum quantity may be required) Finish: Galvalume Plus and Architectural Series Lengths: Maximum recommended 40′-0″ Fasteners: Concealed fastening system. Panels may be secured to the structure from outside the building with the ShadowRib concealed clip, or from inside the building with an expansion fastener. Both are positive fastening methods that create a secure interlock between panel and structure. Dimensions: 16″ wide by 3″ high. Manufactured at: Houston and Atlanta Usage: The ShadowRib panel can be used for walls, fascias, and equipment screens. Apply the panel over light gauge framing, purlins, girts, structural steel, and joists. In many instances, the panel can span from floor to ceiling without interior support, making it ready to apply a variety of insulation methods into the 3″ cavity.