Insulated Sectional Steel-Back Door - 470

Standard Features

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 cycle

Track: 2" and 3" track available in standard fit, high lift, full vertical,low headroom, and follow roof line options

Warranty: 10 years against cracking, splitting or deterioration due to rust-through. 10 years delamination. ​

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 ​
• Flexible jamb, header seal ​
• Exhaust ports ​
• Hinge upgrade package ​
• Residential lite options ​
• Window Glazing Options​ ​​