Products / Prime Rib

Prime Rib is an exposed-fastener steel panel with a deep continuous box rib for post frame roofing and siding. The product page lists 26 and 29 gauge Galvalume AZ50 substrates, 33 inch coverage with a 1/2 inch rib height, a 2 1/2:12 minimum roof slope and custom-cut lengths up to 40 feet, with manufacturing at Gridley IL, Marshfield WI and St. Joseph MN. The product page and specification sheet print UL 790 Class A fire resistance and UL 2218 Class 4 hail impact resistance. The sheet's warranty table covers G90 galvanized and AZ50 Galvalume, each with lifetime film integrity, 30-year chalk and fade and 20-year roof perforation coverage.