Model 421
Wind Load | Commercial Products
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.
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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
Exterior Colors
White
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
- Struts4″ horizontal strut (doors over 10’2″ wide)
- Interior color White
- Standard springs 10,000 cycles
- Standard track2″ (51 mm)
- Weather Stripping Flexible PVC bottom with retainer
- Joint profile Tongue-and-groove
Wind Load Certified to meet Miami-Dade wind load requirements.
Model 421 – 2in Track Sideroom Clearance – Concrete Masonry- Model 421 – 2in Track Sideroom Clearance – Steel Jambs
- Model 421 – 2in Track Sideroom Clearance – Wood Jambs
- Model 421 – 3in Track Sideroom Clearance – Steel Jambs
- Model 421 – 3in Track Sideroom Clearance – Concrete Masonry
- Model 421 – Framing and Pads Elevation View – Concrete Masonry
- Model 421 – Framing and Pads Elevation View – Steel Jambs
- Model 421 – Full Vertical – Track Detail
- Model 421 – Interior Elevation – Face View
- Model 421 – Lift Clearance – Track Details – Back Room
- Model 421 – Lift Clearance – Track Details – Follow The Roof
- Model 421 – Low Headroom – Track Details – Springs To Front
- Model 421 – Panel Detail – Face View
- Model 421 – Standard Lift – Track Details – Follow The Roof
Sectional Steel 421 Specs
Sectional Steel 421 Specs- Sectional Steel Doors Full Line Specs (docx)
- Commercial Sectional Windload Brochure
- One Year Limited Warranty