The mullion-free arched-shaped casement windows imported from Europe exceed typical proportions, varying between 6-feet to 8-feet-tall depending on the residence. Each is fabricated with a double pane sheet of glass set in an interior wooden frame to ensure warmth. Their aluminum exterior provides strength in a streamlined design. These windows act as a gateway to extraordinary, unfettered views. As Rolston says, “their proportion alone is the definition of dramatic.”