The 416 Series is manufactured of 16-gauge, flush, galvanized steel exterior for enhanced strength and durability. These 2" (51 mm) thick doors are available in sizes up to 32´2" in width and 21´1" in height (9804 mm x 6426 mm). Available with an array of options, the 416 Series can be easily customized to meet any project requirement where an extra heavy-duty door is required.