They wanted glass panes for visibility and by adding iron scroll work from an iron railing design they could add elegance and character. Plus with the rigidity and durability of iron, it added another layer of security as well.
Pulling from past experience of iron works design, the craftsmen custom designed the intricate scroll work. They even added a stylized W in the center that was hand-forged in iron.
With a custom powder-coat finish, these iron door grills will be able to withstand the elements and be beautiful for decades.