J Rib with 12” rib spacing and 36” coverage, is our most economical roofing panel. Strong enough to span 5’ purlin spacing; J Rib is used in roofing, wall, soffit, mansard, and fascia applications. J Rib is manufactured with an anti-capillary groove for enhanced weather-tightness and a purlin bearing leg for added strength and support.
• Most economical — widest coverage
• Rigid — able to span 5’ purlin spacing
• UL 580 Class 90 capable
• Purlin bearing leg for added strength, support, and weather-tightness
• Anti-capillary groove — no sidelap tape required