The Grandrib series is the benchmark in the industry, manufactured from the best structural steel available. With clean, traditional lines, the Grandrib series offers a visually appealing metal roofing and siding solution with superior durability, longevity, and resistance to environmental elements.

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Excellent wind uplift and snow load ratings. High performance Enduracote paint system features an Energy Star® approved standard color offering.
Minimum Roof Slope: 2½:12
Panel Coverage: 36” coverage with ¾” rib height
Hail Resistance: UL2218, Class 4
Fire Resistance: UL790, Class A
Wind Uplift Test Rating: UL580, Class 90
Maximum Panel Length: Custom cut to lengths up to 40’