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Architect's Corner for 521

Aluminum Glass Doors 521

​The Aluminum sectional door Model 521 features a heavy-duty frame with a wide center stile.  This model is designed for larger openings and provides maximum light infiltration and visual access.

Key Features:

  • Max Width:     26'2"
  • Max Height:    20'1"
  • Extruded 6063-T6 Aluminum material​
  • 2 11/16" center stile width  
  • Clear anodized finish is standard

Support Documents

SDocNameSDocType
SDocNameSDocType
Commercial Aluminum Doors Brochure10Brochure
Commercial Aluminum Door 521 Warranty132Warranty
Aluminum Sectional Doors 521 Specs190Specifications
Aluminum Sectional Doors 521 Specs191Specifications
Aluminum Glass Door 521 Exterior Elevation - Aluminum Full View - Face View418Architect Drawing
Aluminum Glass Door 521 Interior Elevation - Face View419Architect Drawing
Aluminum Glass Door 521 Panel Detail - Face View420Architect Drawing
Aluminum Glass Door 521 Panel Detail - Side View421Architect Drawing
Aluminum Glass Door 521 Side View - Aluminum Full View422Architect 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
Polycarbonate Glazing1408Brochure
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