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Architect's Corner for 426

Sectional Steel Doors 426

​Overhead Door™ Model 426 commercial sectional door is a heavy-duty insulated door with polystyrene insulation for extra durability and thermal efficiency for applications with loading docks and warehouses.

Key Features:

  • Max Width:     28'2"
  • Max Height:    24'1"
  • 24-gauge galvanized steel exterior
  • 26-gauge galvanized steel interior
  • Polystyrene insulation with an R-value of 7.35​
  • Ribbed exterior surface

Support Documents

SDocNameSDocType
SDocNameSDocType
Sectional Doors System Brochure39Brochure
One Year Limited Warranty77Warranty
Sectional Steel Door 426 Specs151Specifications
Sectional Steel Door 426 Specs152Specifications
Sectional Steel Doors Full Line Specs158Specifications
Sectional Steel Doors 426 Exterior Elevation - Face View - Window/Lite 24"x7" Option769Architect Drawing
Sectional Steel Doors 426 Exterior Elevation - Face View - Full View Window Sash Option770Architect Drawing
Sectional Steel Doors 426 Interior Elevation - Face View771Architect Drawing
Sectional Steel Doors 426 Panel Detail - Face View778Architect Drawing
Sectional Steel Doors 426 Panel Detail - Side View779Architect Drawing
Sectional Steel Doors 426 Side View - With WIndow Option780Architect Drawing
Sectional Steel Doors 426 Side View - Full View Window Sash Option781Architect Drawing
Sectional Doors Framing & Pads Elevation View - Concrete/Masonry808Architect Drawing
Sectional Doors 2" Track Sideroom Clearance - Concrete/Masonry809Architect Drawing
Sectional Doors 3" Track Sideroom Clearance - Concrete/Masonry810Architect Drawing
Sectional Doors Framing & Pads Elevation View - Steel Jambs811Architect Drawing
Sectional Doors 2" Track Sideroom Clearance - Steel Jambs812Architect Drawing
Sectional Doors 3" Track Sideroom Clearance - Steel Jambs813Architect Drawing
Sectional Doors 2" Track Sideroom Clearance - Wood Jambs​815Architect Drawing
Sectional Doors Full Vertical Track Detail817Architect Drawing
Sectional Doors Lift Clearance Track Details - Back Room818Architect Drawing
Sectional Doors Lift Clearance Track Details - Follow the Roof819Architect Drawing
Sectional Doors Standard Lift Track Details - Follow the Roof821Architect Drawing
Sectional Doors Low Headroom Track Details - Springs to Front823Architect Drawing
Dimension Chart - Sectional Framing Pads1142Dimension Chart
Dimension - Sectional Track1143Dimension Chart
Impact Section1336Brochure
Sectional Steel Doors Full Line Specs (docx)1551Specifications
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