Insulated Sectional Steel-Back Doors Commercial Door from Overhead Door. 5 white doors with windows on a green building.

Insulated Sectional Steel-Back Doors in Huntsville, Alabama and surrounding Metro areas

Insulated Sectional Steel-Back Doors by Overhead Door Company™

Simply strong. Reliable, durable, and thermally-efficient door.

About Insulated Sectional Steel-Back Door 470

Learn more about insulated sectional steel-back doors in Huntsville, Alabama.


Solidly constructed for reliable performance, the insulated sectional steel-back door, is perfect for commercial and industrial applications.  Three-layer sandwich construction with inner and outer galvanized steel provides durability and reliability. The tongue-and-groove joint profile combats air leakage between sections, allowing for superior thermal efficiency.

Product Details

Standard Max Width:
20’0″ (6,096 mm)

Standard Max Height:
14’1″ (4,293 mm)

Panel Thickness:
2″ (51 mm)



Exterior Steel:

Interior Steel:

Exterior Surface:
Ribbed, woodgrain embossed


Standard Springs:
10,000 cycles

2″ and 3″ track available in a standard fit, high lift, fully vertical, low headroom, and follow roofline options


10 year limited delamination and rust through, 1 year limited on door

  • Solidly Constructed for Reliable Performance
  • Steel interior backing provides a durable finished appearance
  • Baked-on polyester paint finish eliminates field painting and provides long-lasting protection against the elements
  • Heavy-duty track and hardware are fabricated of high-quality galvanized steel and engineered for precise, trouble-free performance

Want to learn more? 

Man calculating the measurements on his garage door before deciding which new garage door he wants installed from Overhead Door. He is a white male with a calculator and a messy desk with house plans, pencils and rulers scattered everywhere.

Insulated Sectional Steel-Back Doors Gallery

We invite you to see our Sectional Steel-Back Collection.

View Gallery

Huntsville’s Commercial Door Experts

The Overhead Door Company of Huntsville/North Alabama™ has been locally owned and operated by the Warren Family since 2004. 

For over 50+ years, Overhead Door Company™ has been offering the best commercial garage door service, installation, and repairs in all of North Alabama. We serve commercial clients with a broad line of products sure to meet your home and business needs.

Learn More

Commercial Architect looking at a bill and smiling
Commercial technician form Overhead Door of Huntsville talking on the phone at one of the commercial door sites. He is discussing the commercial garage door products needed for a repair to be made.

Get Started

Overhead Door Company of Huntsville™️ is standing by ready to help you navigate the sometimes-confusing new garage door process. Schedule your free estimate today with the most trustworthy garage door installer in North Alabama!

Get a Quote

A customer sitting at work looking at the schedule an appointment with Overhead Door tool found on the company website. Two ladies sitting with their backs turned to the camera. They are scheduling an appointment to view Overhead Garage Door Products.

Have some Questions?

Feel free to contact us with any questions you have about purchasing a new commercial garage door in Huntsville, Alabama.

Contact Us