Kolbe & Kolbe Windows

The Ultra Series is a full product line, offering Casement, Awning, Double Hung and Slider windows, as well as Sliding and Swinging Patio Doors. Create a grand entrance with our Inswing and Outswing Entrance Doors, complemented by Radius and Geometric windows. Quality features and various options make the Ultra Series versatile and durable, full of possibilities for your project. Kolbe Windows & Doors developed this series to fulfil a trend toward greater durability, and is proud to offer it for residential and commercial projects alike. You can be confident when choosing Ultra Series windows and doors.