Metafor is a structural panel with a ribbed appearance and a concealed fastening system. The architectural ribbed panel has 4-up, 4-down ribs. The texture of the panel is either smooth or stucco embossed. Metafor may be installed horizontally or vertically. This panel is lightweight, but it also is strong. It can be applied directly to solid decking or open framing. Typical applications for this panel are walls, ceilings, fascias, mansards, equipment screens and soffits. It may also be used for walkways, balconies, entrances and vestibules.