A support structure for use in buildings, vehicle cargo holds, containers, and similar enclosures. The structure typically employs a plurality of triangular-shaped elements that form a low-profile structural support member. The structures may be may be formed from sheet material, such as galvanized steel or aluminum using cold roll-forming or bending (press brake) technology. Various embodiments may also be formed from metal or polymers using extrusion technology. These support structures are particularly well suited for applications in building walls or roof panelized systems as supporting elements.
 This invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.