Why Our Steel Windows and Doors Instead of Aluminum Systems?
Choose from Cold- and Hard-Rolled Steel Frames
Advantages of Cold-Rolled Steel
Advantages of Hot-Rolled Steel
Choose from Thermally Broken and Non-Thermal Steel
Thermally Broken Steel Windows and Doors
Citadel’s thermally broken steel window and door profiles prevent the cold outside from traveling through the frame into the interior. With thermally insulated barriers between the interior- and exterior-facing frame sections, our CWD product lines offer NFRC-certified energy efficiency and U-values as low as 0.17.
Non-Thermal Steel Windows and Doors
Our Typical Window and Door Elevations
Our Steel-Frame Glass Door Styles
The Citadel Advantage Is in the Details.
From finishes to nail fins, we offer several options to ensure our steel-frame windows and doors are the right fit for your project.