Green Span Profiles has added RidgeLine, a patented 2 3/8-inch-tall mechanically seamed roofing panel, covering 42 inches, with thickness options of 2 1/2, 3, 4 and 5 inches. The core is a continuously poured-in-place, polyisocyanurate insulating foam. Exterior and interior metal panels are available in 26-, 24- and 22-gauge Galvalume/G90 galvanized and stainless steel. The exterior finish is standard gloss PVDF coating. RidgeLine panels can be used on slopes as low as 1/2:12 and are available in standard lengths, measuring 12 to 53 feet, with custom lengths available on demand. The panel offers nominal R-8 per inch of insulation thickness; R-20 for the 2 1/2-inch panel.