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Insulated Sectional Steel-Back Door 470

sectional steel door with insulated back
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​​​​​​​​​​​​​​​​​​​​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 R-value of 9.83.

Features
​​​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 cycles

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

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

Door Options
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​ ​​
Colors
​​​Colors

Exterior Color​

  • white color swatch White*
  • almond color commercial door swatch Almond*​​​​​​​​​
  • brown commercial door color Brown​​​​​​​​​
  • sandstone commercial door color Sandstone​​​​​​​​​
  • desert tan commercial door color Desert Tan​​​​​​​​​​​
​Actual door color may vary slightly from the digital representation above.​

*Doors with 16.75" sections available in only white and almond

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