C650 Ultra Series fiberglass windows are heat and cold resistant, durable and low-maintenance. The frame expands and contracts at approximately the same rate as the insulated glass it holds, putting less stress on the seals for a clear view.
C650 Ultra Picture Window
C650 Ultra Series picture windows are the best way to frame a beautiful view. These inoperable fiberglass windows let in natural light and can be used in combination with operable fiberglass windows if airflow is desired in a particular room.