Brochures and Manuals

Grand Rib III Specs 

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Product Overview

Grandrib 3® is well known as a benchmark in the industry. For barns and other agricultural buildings, this unique and versatile panel is available in a variety of popular colors. The panels have clean traditional lines, and are manufactured from the best structural steel available.

PANEL SPECS

  • Minimum pitch recommended 2½:12

  • 36” coverage with ¾” rib height

  • UL 790 Class A Fire Resistance Rating

  • UL 2218 Class 4 Hail Impact Resistance

  • UL 580 Class 90 Uplift Test Rating

  • High performance Enduracote paint system features an Energy Star® approved standard color offering

  • Custom cut to lengths up to 40’

  • Anti-Siphon sidelap design

  • Excellent wind uplift and snow load ratings

SUBSTRATES

  • 29 gauge structural quality full-hard galvanized steel

  • G60 galvanized

  • 26 gauge high strength galvalume steel

  • .016” aluminum

Popular Trims & Flashings

View the Commercial catalog