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Sectional Doors for Moderate-Heavy Duty Applications

Model C-20 commercial steel sectional door are designed, engineered, and constructed to assure smooth, efficient operation and to save installation time and effort.
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Wayne Dalton’s Model C-20 commercial steel sectional door are designed, engineered, and constructed to assure smooth, efficient operation and to save installation time and effort. Unique 2” x 3” box-stile design, plus tongue-and-groove construction, adds vertical stability and strength. Stiles are continuously-bonded to the skin surface with high-strength adhesive, resulting in the strongest possible unit. The surface is ribbed for added strength. Independent tests show that these doors are significantly stronger compared to leading competitors.

Model C-20 steel sectional door features pre-finished 20-guage hot-dipped galvanized sections roll-formed to a full 2” thickness for ultimate strength and durability. To prevent rust and leakage associated with rivets, fully-fitted 3” wide boxed stiles are bonded to the skin surface with high strength adhesive. Optional insulation consists of 1-5/16" expanded polystyrene which provides an R-value* of up to 7.64 and a U-value as low as 0.13.

*Wayne Dalton uses a calculated door section R-value for insulated doors.

Key Product Features

  • Max Width: 28’2”
  • Max Height: 22’1”
  • 20-gauge steel
  • Optional polystyrene insulation, R-value* = 7.64
  • 10,000 cycle standard spring
  • Tongue-and-groove joint profile

*Wayne Dalton uses a calculated door section R-value for insulated doors.

Lite Options

  • Insulated Lites allow for visibility while maintaining security. Full-view sections allow for maximum natural light and visibility.

Options & Accessories

  • Chain hoist operation
  • Motor operation
  • High cycle springs (25k, 50k, 100k)
  • 3” track
  • Solid shafts
  • Perimeter weather seal
  • Broken cable devices
  • Sensing edges
  • Photo eyes
  • Special track designs
  • Mullions

Wind Safe logo 

Impact Rated logo 

*Static and Impact Wind Load designs are certified by the state of Florida (FBC), the Texas Department of Insurance (TDI), and the designs are compliant with the 2015 IBC. No Miami DADE certifications.

Color Options

Additional Information

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