Products / 4.0 Rib

4.0 Rib is a structural through-fastened roof and wall panel with deep corrugations, produced in Salem, Oregon and Riverside and Sacramento, California, with 32 inch coverage per its data sheet. It is made in 24 and 22 gauge Kynar 500 painted steel and .032 inch aluminum, with heavier custom gauges on request, in 4 foot to 20 foot 6 inch lengths, spans up to 5 feet, and has a 1:12 minimum pitch recommended when installed with butyl sealant. The product page lists ASTM E1680, E1646, E331, E283 and E1592 testing and states a 40-year residential paint warranty on the Kynar 500 finish.