Interior view of a commercial space featuring three Aluminum Glass Doors model 521S, showcasing maximum light infiltration and visual access, with yellow and red safety barriers.

Aluminum Glass Door model 521S with large windows and yellow safety poles, featured at a service center, emphasizing light infiltration and visual access.

Aluminum Glass Door model 521S with large glass panels and gray aluminum frame, featuring a modern design suitable for commercial environments, adjacent to a glass entrance door and yellow safety posts.

Aluminum Glass Door - 521s

Model 521s

EverServe® Aluminum Glass Door model 521S is a sectional aluminum door appropriate for environments where maximum light infiltration and/or visual access is required. Designed to fit openings up to 20’2″ (6147 mm) wide and 18’1″ (5512 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.

Overview
Documents

Construction

Product Specifications
Standard Max Width	20’2″ (6147 mm)
Standard Max Height	18’1″ (5512 mm)
Section thickness	1 3/4″ (45 mm)
Material	6061-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
Track	3″ (76.2 mm)
Control Panel	Electronic controller with micro-processor self-diagnostics. Digital readout, time delay self-close timer and non-resettable cycle counter. Enclosure is IP54 rated (NEMA 3 equivalent)
Mounting	Side mount, left or right, vertical only
Operation	Direct drive integrated gear/motor/brake assembly; Drive assembly and limit sensors are factory pre-assembled; Manual hand chain for power outage; Horsepower appropriate to door size/weight; 230V AC 3-phase motor (operating range 208-245V)
Hinges and fixtures	Galvanized steel
Rollers	Nylon (Standard) Steel (Windload)
Actuator	Single open/close/stop push button station incorporated into control panel
Accessories	Cable tension switches LH/RH Hand chain switch on motor Encoder plug and play 8-port junction box

Warranty

1-year limited

BIM

EverServe® Aluminum Glass Door 521s – BIM Model (opens in a new window)

Shop Drawing

Specifications

Product Literature

Warranties

EverServe® 521S Warranty (opens in a new window)

45040 42nd St. E., Lancaster, CA 93535

Business Hours

Monday-Friday: 8:00 AM – 5:00 PM
Saturday-Sunday: Closed

CA Contractors License #881400

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Aluminum Glass Door 521S: Features and Benefits

The Aluminum Glass Door model 521S from Overhead Door Company of The Antelope Valley offers a sleek, modern aesthetic combined with robust functionality. Its full-view design maximizes natural light and provides an unobstructed view, making it ideal for a variety of commercial and residential applications where visual appeal and openness are paramount.

Key features include durable 6061-T6 aluminum construction, a choice of finishes including clear anodized or painted white, and a variety of stile and rail widths to customize the look. The door is engineered for smooth operation with a direct drive integrated gear/motor/brake assembly and a reliable electronic controller with self-diagnostics.

Customization Options for the 521S Aluminum Glass Door

Tailoring the Aluminum Glass Door 521S to specific project requirements is made easy through a range of customization options. This allows for seamless integration into diverse architectural styles and functional needs, ensuring both aesthetic harmony and practical performance.

Users can select from different bottom rail widths (3 3/4" or 4 1/2") and top rail widths (2 3/8" or 3 3/4") to achieve the desired visual balance and structural integrity. Furthermore, the option for painted white finish at no extra charge provides an additional layer of personalization, complementing various property designs.