Patent attributes
A window includes an insulated glass unit and a frame supporting the insulated glass unit. The insulated glass unit includes a first glass pane and a second glass pane spaced from the first glass pane. A central plane extends through a pocket defined between the first glass pane and the second glass pane. The frame includes a first material visible on a first side of the window. The window also includes cladding connected to the frame. The cladding includes a second material visible on a second side of the window. The frame defines a cavity that extends between the first side and the second side and inhibits moisture from the first side contacting the second material. The window includes a thermal cavity defined by the frame and aligned with the pocket.