Platforms in Platforms and Planks Share Facebook Twitter Pinterest Email Mills platform comes with 5/8″ plywood, pregalv steel or all aluminum decking and is also available in knockdown form.SIZES:19″ x 5′-019″ x 7′-019″ x 10′-0″19″ x 14′-0Custom sizes are available.Perforated AluminumTread 001Perforated Smooth TopAluminum Tread 002Steel Pregalvanized DimpledTread 005Expanded AluminumTread 003Perforated Star Pattern Aluminum Decking Tread 004Share This Previous Post← Versa-Light® Aluminum Clamp Versa-Light® Aluminum Clamp Next PostT-Slot Plank → T-Slot Plank