aluminum, in wood
The Marvin Ultimate Casement Round Top is a great choice for designs that require large unobstructed views and the elegance of an arched shape. You can select from numerous round top shapes for design flexibility. The window is beautiful enough to use alone as a focal point, as a picture window, or in combination with other Marvin casement windows. The Ultimate Casement Round Top Window is also offered in larger sizes for grand views while still providing energy efficiency.