Insulated Sectional Steel-Back Door Model 470
The insulated sectional steel-back door is solidly constructed for reliable performance. The 2” polystyrene insulation delivers a superior U-factor of 0.23 (R-value of 9.83). It is perfect for commercial and industrial applications. The three-layer sandwich construction with inner and outer galvanized steel provides durability and reliability.
Perfect for Commercial & Industrial
Applications where Durability, Reliability, &
Energy Efficiency is Essential
Ideal Applications Include
Manufacturing Facilities
Automotive
Warehouse
Government Facilities
Insulated Sectional Steel-Back Door Overview
Ribbed Wood Grain Embossed Exterior
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.
Air resistance: The tongue-and-groove joint profile prevents air leakage between sections
Thermal performance: 2″ polystyrene insulation delivers a U-factor1 
of 0.23 and an R-value2 of 9.83
Warranty: 10 year delamination; 10 year rust-through; 1 year material & workmanship
Exterior Surface: Ribbed, woodgrain embossed
Construction – Product Specifications
Standard max width: 20’0″ (6,096 mm)
Standard max height: 14’1″ (4,293 mm)
Panel thickness: 2″ (51 mm)
Insulation: Bonded Polystyrene
U-factor*: .23
R-value: 9.83
Exterior steel: 26-gauge
Interior steel: 29-gauge
Standard springs: 10,000 cycles
Wind Load: FBC-approved wind load options are available.
Track: 2″ and 3″ track available in a standard fit, high lift, full vertical, low headroom, and follow roof line options
*U-factor values are independently tested and verified per ANSI/DASMA 105.
**Overhead Door™ Brand uses a calculated door section R-value for our insulated doors
Door Options
- Insulated glass, tempered glass, polycarbonate, multi-wall polycarbonate, etc.
- High-usage package
- Wind load options
- Electric operator
- Chain hoist
- Posi-Tension™ drums
- Safety bottom fixture
- Bottom-sensing edge
- Exhaust ports
- Hinge upgrade package
- Residential lite options
- Window Glazing Options
Colors
Baked-on, double-coat finish available in:
Doors with 16.75″ sections are only available in White and Almond.
Almond Brown Desert Tan Sandstone White
Double Thermal Acrylic Insulated DSB
(25” w by 12” h) (24” w by 7” h)
Clear Short (19″w by 12”h) Clear Long (42″w by 13”h)
Overhead Door™ Brand participates in the DASMA Thermal Performance Verification Program. The program verifies the thermal performance of sectional doors. The lower the U-factor rating, the better the thermal performance.
The insulated sectional steel-back door is solidly constructed for reliable performance. It is perfect for commercial and industrial applications. The three-layer sandwich construction with inner and outer galvanized steel provides durability and reliability.
Perfect for Commercial & Industrial Applications where Durability, Reliability & Energy Efficiency are Essential
Insulated Sectional Steel-Back Door 470
Design Options & Features
The insulated sectional steel door model 470 is solidly constructed for reliable performance; the insulated sectional steel-back door is perfect for commercial and industrial applications. The 2” polystyrene insulation delivers a superior R-value of 9.83.
Door Construction & Features:
Standard max width: 20’0″ (6,096 mm)
Standard max height: 14’1″ (4,293 mm)
Panel thickness: 2″ (51 mm)
Insulation: Bonded Polystyrene
U-factor*: .23 
R-value: 9.83
Exterior steel: 26-gauge
Interior steel: 29-gauge
Standard springs: 10,000 cycles
Wind Load: FBC-approved wind load options are available.
Track: 2″ and 3″ track available in a standard fit, high lift, full vertical, low headroom, and follow roof line options
*U-factor values are independently tested and verified per ANSI/DASMA 105.
**Overhead Door™ Brand uses a calculated door section R-value for our insulated doors
Door Options
- Insulated glass, tempered glass, polycarbonate, multiwall polycarbonate, etc.
- High-usage package
- Wind load options
- Electric operator
- Chain Hoist
- Posi-Tension™ drums
- Safety bottom fixture
- Bottom-sensing edge
- Flexible jamb, header seal
- Exhaust Ports
- Hinge upgrade package
- Residential lite options
- Window Glazing Options
Panel
Ribbed Door Panel
Glazing Options
Double Thermal Acrylic (25” w by 12” h)
Insulated DSB (24” w by 7” h)
Clear Short (19″w by 12”h)
Clear Long (42″w by 13”h)
Baked-on, Double- Coat Finish Available in:
*Doors with 16.75″ sections available in only white and almond
White*
Almond*
Brown
Desert Tan
Sandstone
Call us Today at (308) 455-4036
Overhead Door Company of Kearney™ – 2110 E. Hwy 30, Suite 3, Kearney, NE 68847
Call us Today (308) 455-4036
Or Email Us on the Form Below.
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Call us Today at
(308) 234-3667
Or Send us an Email.
Overhead Door Company of Kearney™ –
2110 E Lincoln Hwy Suite 3, Kearney, NE 68847