The 511 Series doors are designed in sizes up to 20'2" wide and 16'1" high (6147mm and 4902mm).  Featuring a narrow center stile width of 5/8" (16mm), these doors are sleek, attractive and permit maximum visibility.  An array of glazing choices, top and bottom-rail widths, finishes and special options customizes the 511 Series to satisfy nearly any project requirement.