Products / SpanSeam

SpanSeam is a 16-inch-wide mechanically seamed standing seam panel with a narrow 2-inch rib and a 180 degree seam on concealed clips, in 24 or 22 gauge Zincalume (AZ50) steel with Dura Tech 5000 or Dura Tech mx PVDF paint, striated, flat or with two pencil ribs, in lengths of 6 to 45 feet on slopes down to 1/4:12. The product page lists UL 2218 Class 4 hail impact among its performance certifications and cites IAPMO Evaluation Report ER-0309; the product sheet the maker publishes for Span-Lok hp, Curved Span-Lok and SpanSeam together lists UL 580, UL 790, ASTM E1592, ASTM E1680 and ASTM E1646 and does not list UL 2218.