Rolling Steel Service doors by C.H.I. are built to meet performance needs and expectations. Each coiling door is manufactured to stringent code standards to provide confidence for the specifier and end-user.

The 6500 series roll-up doors offer the best in security, flexibility, and appeal. Unique joint designs produce a flush curtain to achieve a seamless, clean appearance. End users and specifiers recognize the 6500 Series as state-of-the-art in design, fit, and finish, yet appreciate the simplicity and practicality that define the product.

The Guardian™ Fire Door is engineered to meet ever-increasing demands of property owners and insurance underwriters in a simple, easy-to-test, and reset fire protection product. Utilizing standard chain hoist operation, these rolling steel doors feature a reliable, safe procedure for frequent drop testing with a U.L. label rated from 3/4-hour to 4-hour protection. Manual push-up operation, fail-safe, and automatic reset motor operation models are optional to the Guardian standard

C.H.I. Overhead Doors grilles and closures are the ideal solution for retail, commercial and industrial applications where durability and ease of operation is required.