CASE STUDY A manufacturer of freight truck parts in Owatonna, Minnesota, recently erected a new 85,000 square-foot facility as the market demands for its products outgrew the capacity of its original factory. Outfitted with a standing seam metal roof, the owners of the facil- ity needed a corrosion resistant and lightweight solution for rooftop maintenance access. Designed with only a single hatch serving as a point of entry and exit, a connecting walkway system was needed to join the hatch with each of the nine rooftop HVAC units along with supporting equipment. As this was an exterior application with long span capability, excellent corrosion and UV resistance, and weight minimization were all listed as mandatory requirements for the procurement of building materials for co

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