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.

MODEL 470

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)

R-Value:
9.83

U-Value:
.102

Exterior Steel:
26-gauge

Interior Steel:
29-gauge

Exterior Surface:
Ribbed, woodgrain embossed

Insulation:
Polystyrene

Standard Springs:
10,000 cycles

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

Warranty

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

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Insulated Sectional Steel-Back Doors Gallery

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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.

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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!

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