Model 521

Aluminum Glass Door model 521 is a sectional aluminum door appropriate for environments where maximum light infiltration and/or visual access is required. Designed to fit openings up to 26'2" (7976 mm) wide and 20'1" (6121 mm) high, the Model 521 features a wide, 2-11/16" (68 mm) center stile, 3-3/4" (95 mm) or 4-1/2" (114 mm) bottom rail, based on door size.

more Model 521 details

Overview

Construction

Product Specifications  
Standard Max Width 26'2" (7976 mm)
Standard Max Height 20'1" (6121 mm)
Section thickness 1 3/4" (45 mm)
Material 6063-T6 aluminum
Standard finish 204R-1 clear anodized(painted white at no charge)
Center stile width 2 11/16" (68 mm)
End stile width 3 5/16" (84 mm)
Top rail width 2 3/8" (60 mm) or 3 3/4" (95 mm)
Top intermediate rail width 2 1/8" (54 mm)
Bottom intermediate rail width 1 19/32" (40 mm)
Bottom rail width 3 3/4" (95 mm) or 4 1/2" (114 mm)
Weatherseals Bottom, flexible PVC
Standard springs 10,000 cycle
Track 2" (51 mm)
Mounting Angle
Operation Manual pull rope
Hinges and fixtures Galvanized steel
Lock Galvanized, interior-mounted single unit

 

Warranty

  • 1-year limited

Options

Color

  • clear aluminum color swatch

    Clear (standard)

  • anodized light bronze glass color swatch

    Light Bronze

  • anodized medium bronze glass color swatch

    Medium Bronze

  • anodized dark bronze glass color swatch

    Dark Bronze

  • black anodized finish color swatch

    Black

Glass/Windows

  • double strength standard glass color swatch

    Double Strength (DSB)

  • gray tint glass swatch

    Gray Tint

  • satin etched glass swatch

    Satin Etched

  • obscure glass swatch

    Obscure

  • green tint glass swatch

    Green Tint

  • bronze tint glass swatch

    Bronze Tint

  • impact frosted polycarbonate glass swatch

Enhancements

  • Electric operator or chain hoist
  • Bottom sensing edge
  • 3" track
  • Bracket mounting (not available on full vertical door tracks)
  • Higher-cycle springs in 25k, 50k, 75k, 100k cycle
  • Exhaust ports
  • Polyurethane insulation available in the rails and stiles
    • R-value up to 4.1 depending on glazing choice
  • Higher-cycle springs in 25k, 50k, 75k, 100k cycle
  • Four-section pass door
  • Wind load options available
  • Finish options:
    • Bronze anodized
    • Select from 197 standard powder coat colors or colored to match specification
  • Window Glazing Options:
    • 1⁄8" (3 mm) DSB
    • 1⁄8" (3 mm) or 1⁄4" (6 mm) acrylic
    • 1⁄8" (3 mm) or 1⁄4" (6 mm) tempered
    • 1⁄8" (3 mm) or 1⁄4" (6 mm) clear polycarbonate
    • 1/4” (6 mm) and 3/8” (10 mm) multi-wall polycarbonate
    • 1⁄4" (6 mm) wire glass
    • 1⁄2" (12 mm) insulated glass

Read instructions on how to clean polycarbonate windows

A Company You Can Trust

A Company You Can Trust

Whenever you need an overhead door company that you can trust for your home or business, AAA Garage Door is the company you can trust for superior installation, maintenance, service, and repairs!