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Reversed Box Rib™ Metal Roofing and Siding

Reversed Box Rib™ metal roofing and siding is an exposed fastened metal panel with a 36” net coverage. This panel is ideal for commercial, industrial, retail, mixed-use, civic and even residential applications.

With this long-lasting, durable, and sustainable metal panel, you’ll find it also comes in several energy-efficient colors and paint systems. Reversed Box Rib offers a unique, yet flexible design when combined with other building materials.

  • Application: Roofing & Siding
  • Gauge: 26, 24, 22, & 20
  • Coverage: 36"
  • Minimum Slope: 1:12

Testing and Performance

  • Metal roofing & siding is well-known for its durability by defying the elements.
  • Testing: ASTM E283 (air infiltration) and ASTM E331 (water infiltration).
  • Roof assemblies are Class A Fire Rated when installed on non-combustible deck or framing per IBC, IRC, or when installed in accordance with UL listings (UL790).
  • Siding assemblies rated for fire resistance (UL263) when installed in accordance with UL listings.
  • Meets class 4 Impact (Hail) Resistance rated per UL 2218.
  • All structural performance data is contained within Building Code Approval Report.
  • Weathertight warranty available. Minimum slope required. AEP Span Underlayment HT  required for all Full System Weathertightness Limited Warranties. Contact AEP Span representative for more information. (Roof application ONLY).
  • All testing performed by accredited third-party.

Additional Features

  • Custom manufactured metal panel lengths: 6′-0″ to 50′-0″
  • Perforation PDF | RTF options available for an additional charge.
  • Matching fiberglass panels available.

Oil Canning Disclaimer

Oil Canning: All flat metal surfaces can display waviness commonly referred to as “oil canning”. “Oil canning” is an inherent characteristic of steel products, not a defect, and therefore is not a cause for panel rejection. Oil Canning Technical Bulletin PDF | RTF.

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