The Beauty of Ornamental Cast Iron Panels
The melted material is then poured into a mold (i.e. a “cast”) with a predetermined shape and allowed to cool. Cast iron structures can be as simple or intricate as the mold they were poured into, and the fact that the iron solidified all in one continuous piece helps make these structures extremely sturdy.
Another way of looking at a bottom-hung window opening is as a tilt-and-turn but without the turning facility.