R-Rib is available with our 40-Year Warranty and has a minimum thickness of .0185 before paint and an AZ50 (1.6 Mil)Galvalume® substrate. It also carries 20 Year Perforation Warranty on a Galvalume® steel substrate. All colors have an Energy Star® rating and comes with a UL® 2218 Class 4 impact rating and a UL® 790 fire rating. R-Rib is offered in a 80,000 PSI maximum hardness to allow for the intricate bends of this panel.
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