High-Performance & Overhead Doors
Nucor produces a suite of premium high-speed, sectional, and rolling steel overhead doors for nearly any commercial and residential application through the C.H.I. Overhead Doors® and Rytec® brands. Combined, these brands provide a simplified, comprehensive solution for door specification, selection, sales, and end-to-end customer support.
C.H.I.® Products
- Sectional Doors
- Rolling Doors
Rytec® Products
- High-Performance Fabric Doors
- High-Performance Rigid Rolling Doors
- High-Performance Rubber Doors
- High-Performance Sliding Doors
Brands


C.H.I. Overhead Doors manufactures overhead door products for residential and commercial applications, as well as rolling steel and rubber doors for commercial and industrial customers. The company’s two manufacturing plants are located in Arthur, Illinois and Terre Haute, Indiana, with regional warehouses strategically located in California, Colorado, New Hampshire and New Jersey.


Rytec is North America’s leading manufacturer of innovative high-speed, high-performance doors for industrial, commercial, retail, automotive, food and beverage and controlled-temperature environments. Every door is custom engineered for maximum reliability, safety, productivity, and efficiency. Headquartered in Jackson, Wisconsin with additional manufacturing operations in Hartford, Wisconsin, Rytec delivers over four decades of expertise in advanced, innovative door solutions.





