Sectional Aluminium Door
The 521 Series is a sectional aluminium 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″ (6121mm) high, the 521 Series features a wide, 2-3/4″ (70mm) center stile, 3-3/4″ (95mm) or 4-1/2″ (114mm) bottom rail, based on door size.
Downloadable Documents
Aluminium Door Model 521 Warranty
521 Series
Features
Section thickness
1 3/4″ (45 mm)
Maximum standard width
26’2″ (7976 mm)
Maximum standard height
20’1″ (6121 mm)
Material
6063-T6 aluminium
Standard finish
204R-1 clear anodised (painted white at no charge)
Centre stile width
2 11/16″ (69 mm)
End stile width
3 5/16″ (85 mm)
Top rail width
2 3/8″ (60 mm) or3 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)
Weather seals
Bottom, flexible PVC
Standard springs
10,000 cycle
Track
2″ (51 mm)
Mounting
Angle
Operation
Manual pull rope
Hinges and fixtures
Galvanised steel
Lock
Galvanised,interior-mounted single unit
Options
- Glazing options*: 1 ⁄8″ (3 mm) DSB; 1⁄8″ (3 mm) or 1⁄4″ (6 mm) Plexiglas; 1⁄8″ (3 mm) or 1⁄4″ (6 mm) tempered; 1⁄8″ (3 mm) or 1⁄4″ (6 mm) clear lexan; 1⁄4″ (6 mm) wire glass, 1/2” (12mm) insulated glass
- 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 cycles
- Exhaust ports
- 197 standard powder or colour matched to architect specifications
- Four-section pass door