Glass City Windows

The Marvin Portfolio offers three different brands of windows:

The Marvin Signature Collection previously known as Marvin Windows and Doors includes ultimate and modern product lines. Signature Collection is built one at a time and with great attention to detail and customization. Used for new construction, replacement, and remodeling.

The Marvin Elevate Collection is previously known as Integrity Wood Ultrex. Elevate Collection is made from fiberglass with an acrylic cap exterior and wood interior that outperforms the competition in just about every way. Used for new construction, replacement, and remodeling.

The Marvin Essential Collection is previously known as Integrity All Ultrex. Essential Collection is made from fiberglass with an acrylic cap exterior and fiberglass interior that also outperforms the competition in every way. Used for new construction, replacement, and remodeling.

The Infinity line is strictly a replacement window with some innovative designs that are only sold through participating installing dealers.

Quaker Windows offer quality, performance, and beauty at a more value-minded price point.