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1-1/2” Reverse Box Rib™

Through-fastened Metal Panel with Full 36” Net Coverage

1-1/2” Reverse Box Rib™





Reversed Box Rib™ is a through-fastened metal panel that offers a full 36” of net coverage. This panel is ideal for commercial, industrial, and architectural roofing applications.

  • 36″ coverage roof panel.
  • Minimum recommended slope 1:12.
  • gauges: 24ga and 22ga in Dura Tech™ 5000 PDF | RTF. 20ga and 18ga require a minimum order of 4,500 sq. ft. and longer lead times apply.
  • Refer to AEP Span Color Charts PDF | RTF for a full range of color options and paint systems.
  • Custom manufactured panel lengths: 6′-0″ to 50′-0″.
  • Perforation options are available for an additional charge.
  • Testing: ASTM E283 (air infiltration) and ASTM E331 (water infiltration). All testing performed by accredited third-party.
  • Roof assemblies Class A Fire Rated when installed on non-combustible deck or framing per IBC or IRC or when installed in accordance to UL listings (UL790). Wall assemblies rated for fire resistance (UL263) when installed in accordance with UL listings.
  • Panel evaluated by an accredited third party. All structural performance data is contained within Building Code Approval Report: IAPMO-UES #ER-0550 PDF | RTF.
  • 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

Dura Tech™ 5000 and Dura Tech™ mx

  • Architectural Color Chart: Dura Tech 5000 & mx PDF | RTF
  • Dura Tech® 5000/Dura Tech mx Warranty PDF | RTF

Design Solution® Premium Colors

  • Architectural Color Chart: Premium Colors PDF | RTF


  • ZINCALUME Plus Warranty PDF | RTF

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