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Non-Insulated Wind Load Sectional Door 421

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wind load door on building
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​​​​​​​​​​​​​​Model 421​ is and non-insulated door featuring Miami-Dade certifications for static pressures and impact. Constructed of 20-gauge steel and designed with 4” horizontal struts to enhance door strength and performance.​​

Features
​​​​​​Features

Standard max width
14'2" (4318 mm)

Standard max height
24'1" (7341 mm) ​

Warranty
1 year limited

Nominal thickness 
2" (51 mm)

Exterior surface 
Ribbed

Struts
4" horizontal strut (doors over 10'2" wide)

​Interior color
White

Standard springs 
10,000 cycles

Standard track
2" (51 mm)

Weather Stripping 
Flexible PVC bottom with retainer

Joint profile 
Tongue-and-groove

tongue and groove

Wind Load
Certified to meet Miami-Dade wind load requirements. ​​​​

Door Options
​​​​Door Options
  • Chain hoist operation​
  • Motor operation
  • High Cycle Springs - 25k, 50k, 100k
  • 3” track option
  • Solid shafts
  • Perimeter weather seal
  • Broken cable devices
  • Safety edges
  • Safety photo eyes
  • Impact glazing 12” x 10”
  • Security locks
  • Exhaust ports​
Colors
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Colors​​​

Exterior Colors

  • white color swatch White
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