Insulated Sectional Steel-Back Door 470

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 superior U-factor of 0.23 (R-value of 9.83).

Overview

Product Specifications

Standard Max Width

20'0" (6,096 mm)

Standard Max Height

14'1" (4,293 mm)

Panel Thickness

2" (51 mm)

U-Factor*

.23

R-Value**

9.83

Exterior Steel

26-gauge

Wind Load

FBC approved wind load options available.

Interior Steel

29-gauge

Exterior Surface

Ribbed, woodgrain embossed

Insulation

Bonded Polystyrene

Standard springs

10,000 cycles

Track

2" and 3" track available in 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}

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

Enhancements

• 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

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