As a member of the Marvin family of brands, Integrity lives up to its name with a reputation for manufacturing reliable, durable and energy efficient windows. These windows are built with Ultrex pultruded fiberglass that boasts a phenomenal strength to weight ratio. Integrity windows don’t leak or corrode, they resist expansion, and are worry-free, which means they’ll preserve their beauty and functionality for a long time.
Built to Perform....
Our clean design of casement windows, featuring wood interior and Ultrex fiberglass exterior.
Integrity Wood-Ultrex Awning windows are as versatile as they are strong....
Our side-hinged casement windows built with the strength of Ultrex fiberglass inside and out.
Our top-hinged awning windows built with the strength of Ultrex fiberglass inside and out.
Our double hung window with wood interior and Ultrex fiberglass exterior.
Our glider window is built for ease of use, with wood interior and Ultrex fiberglass exterior.
Our Wood-Ultrex Sliding French Door provides the elegance of a French door with the practicality of a sliding door.
Our Wood-Ultrex Sliding Patio Door combines function and beauty, with unmatched durability.
Our Wood-Ultrex Inswing French Door is an elegant design that allows for georgeous views.
Our classic double hung window, made with Ultrex fiberglass inside and out.
Our glider window, built for smooth, dependable operation.
Our All Ultrex Sliding Patio Door is the perfect pairing of style and durability.