Products / Hefti-Rib

Hefti-Rib is an exposed-fastener roofing and siding panel with 7.2 inch rib spacing, offered in .032, .040 and .050 inch aluminum and 18 through 26 gauge steel, with curving, mitered corner and perforation options. The specification sheet prints a 2:12 minimum roof slope, 5 foot maximum purlin spacing, panel lengths from 4 to 65 feet and a 10 foot minimum factory curving radius, and lists UL580 Class 90 wind uplift (#244), UL2218 Class 4 impact, UL790 Class A fire, and ASTM E283 and E331 test data. It states a 30-year paint-finish warranty. Fabral lists Hefti-Rib 288 (HR-288), made at Ft. Worth, TX, and Reverse Run Hefti-Rib as variations of the profile.