Standing seam systems are available in a variety of metals including 24 and 22 gauge painted (PVDF, Kynar, Hylar) steel, aluminum, copper, zinc, stainless, weathering steel (cold-rolled/A1008 and COR-TEN/A606 steel) and titanium. The most common standing seam metal roofing material is 24 gauge painted steel. The coatings used by U.S. Metals carry up to 35 year non-prorated finish warranties. |