Aluminum Glass Doors 521 Model 521

Aluminum Glass Doors 521 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.

Construction

Product Specifications 
Standard Max Width26'2" (7976 mm)
Standard Max Height20'1" (6121 mm)
Section thickness1 3/4" (45 mm)
Material6063-T6 aluminum
Standard finish204R-1 clear anodized(painted white at no charge)
Center stile width2 11/16" (68 mm)
End stile width3 5/16" (84 mm)
Top rail width2 3/8" (60 mm) or 3 3/4" (95 mm)
Top intermediate rail width2 1/8" (54 mm)
Bottom intermediate rail width1 19/32" (40 mm)
Bottom rail width3 3/4" (95 mm) or 4 1/2" (114 mm)
WeathersealsBottom, flexible PVC
Standard springs10,000 cycle
Track2" (51 mm)
MountingAngle
OperationManual pull rope
Hinges and fixturesGalvanized steel
LockGalvanized, interior-mounted single unit

Warranty

  • 1-year limited

Anodized Finishes

  • 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

Powder Coat Color Options

PowderGuard® Premium powder coat options are available in approximately 200 colors as well as custom matching to specification.

Powder Guard Coat Colors

Glass Options

  • 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

    Impact Frosted Polycarbonate

  • 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