Strength and Beauty Meets Durability 


Tough and beautiful, our ULTRAMAX 1 3⁄4-inch, snap-lock, panel system stands out from the rest. The seam is bolder and stronger, thanks to the robust seam thickness and the concealed fastener clip system. With continuous seam transitions, this versatile panel system creates pure clean lines, while delivering the ultimate in strength and wind resistance. ULTRAMAX is the choice for upscale commercial or residential projects that require top performance.



Product Features


  • Preferred high-end residential, commercial

  • 1-3/4-inch, snap-lock, standing seam

  • Heavy gauge for durability

  • Concealed clips for clean lines

  • No mechancial seaming required

  • 25+ colors, custom available

  • Striated, pencil bead, ribbon bead, traditional flat seam available

  • Custom lengths

  • Free onsite production

  • Warranties on materials and finishes up to 50 years



Product Specifications


  • Material: 22-, 24-, 26-gauge steel, .032, .040 aluminum

  • Slope: 2:12 or greater, site-specific also available

  • Support: Wood deck support of 15/32-inch or greater plywood, steel deck

  • Coverage: 14 inches or 18 inches

  • Finish: 70% PVDF (Kynar 500®), Tedlar® PVF film, mill-finished MaxAlúme

  • Sustainability: Energy Star® rated products available

  • Quality: Keystone Quality Assurance Program,
    Miami-Dade Quality Assurance Program



Product Testing


  • Uplift Resistance: UL 580, UL 1897, TAS 110, TAS 125

  • Wind-Driven Rain: TAS 100

  • Tensil Strength: ASTM E8

  • Fire Rating: UL 790

  • Accelerated Coating: ASTM G152

  • Salt Spray Coating: ASTM B117

  • Florida Building Code: Approved HVHZ/Non-HVHZ

  • Miami-Dade County: Product Control Approved

ULTRAMAX Profile Card - Download pdf

ULTRAMAX Installation Guide - Download pdf

ULTRAMAX Product Approval