Decorative & Functional

Aluminum bright diamond tread plate (also sometimes known as checker plate or floor plate) is available in the alloy 3003-H22. Aluminum diamond plate has a bright finish in the 3003-H22 alloy. Aluminum diamond plate is strong and lightweight.  It is also corrosion-resistant and moisture-resistant, making it great for outdoor or indoor use. The diamond plate has a beautiful pattern that is slip-resistant and provides great traction. Aluminum diamond plate has the raised diamond pattern on one side and the reverse side is smooth.

If you are looking for aluminum diamond plate, Alumet Supply provides custom lengths and widths if standard 48″ x 96″ or 48″ x 120″ sizes do not work for your project. Alumet Supply also provides anodized aluminum diamond plate if the standard bright finish is not what you are looking for.  Alumet Supply can provide other alloys in aluminum diamond plate as well, including 6061, 5086 and 5052.

Aluminum Diamond Tread Plate
Diamond Tread Plate


  • Standard Lengths: 96” and 120”
  • Alloys 6061, 5086 and 5052 Available Upon Request
  • 5-bar Pattern Tread Plate Available Upon Request
  • Standard Alloy: 3003 H22
  • Standard Gauges: .045 .063 .080 .100 .125 .190 .250
  • Standard Widths: 48” and 60”


  • Architectural (Interior & Exterior)
  • Tool Boxes
  • Ramps, Stairways and Catwalks
  • Column Covers
  • Decorative (Floors, Walls, Counter-tops, Kick-plates)
  • Transportation (Trailer floors, Truck Beds, Firetrucks, Ambulances RVs)