Products / Aluminum Standing Seam

Interlock Standing Seam is a 0.028 in. aluminum (3003-H24 or 3105-H24 per ASTM B209) standing seam panel, 17 in. wide with a 1 in. seam height, roll-formed in continuous runs up to 26 ft and fastened with a sliding-and-fixed concealed clip system, at approximately 58 lb per square. Per the manufacturer's own product page it is rated UL 2218 Class 4 for hail, warranted to 120 mph wind, and finished with the AAMA 2605 Alunar PVDF coating (30-year coating warranty). The page lists a Class A fire rating under ASTM E108 as available only as an assembly (requires GAF Versashield Fire-Resistant Roof Deck Protection per ICC-ES ESR-2053), and states the panel is not covered by ICC-ES ESR-1790 or Florida Product Approval FL7263-R7. It installs on slopes of 3:12 or greater. It carries the Guardian Lifetime Limited Material Warranty (lifetime for the original registered owner, 50 years upon a one-time transfer).