Aluminum Glass Doors 521
Aluminum Glass Door model 521 is a sectional aluminum door a ppropriate 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.
Features
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
Door Options
- Electric operator or chain hoist
- Bottom sensing edge
- 3" track
- Bracket mounting (not available on full vertical door tracks)
- 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
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