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Modern aluminum bifold doors fully open connecting indoor and outdoor living space

Aluminum Bifold Door Specifications

System Overview

Cornerstone aluminum bifold doors are engineered for large architectural openings, delivering smooth operation, structural strength, and clean modern sightlines.

Maximum Panel Sizes

  • Max panel height: 11.8 ft

  • Max panel width:   3 ft

  • Max panel weight: 300 lbs

Aluminum bifold door panel configuration and folding system layout

Frame Construction

  • Thermally broken aluminum frames

  • High-strength structural profiles

  • Powder coated finishes

2 Panel

​

  • 2-0

  • 0-2

3 Panels

​

  • 2-1

  • 1-2

  • 3-0

  • 0-3

5 Panels 

​

  • 5-0

  • 0-5

  • 3-2

  • 2-3

  • 4-1

  • 1-4

4 Panel

​

  • 4-0

  • 0-4

  • 3-1

  • 1-3

  • 2-2

6 Panels 

​

  • 6-0

  • 0-6

  • 5-1

  • 1-5

  • 3-3

Configuration Options

7 Panels

​

  • 7-0

  • 0-7

  • 6-1

  • 1-6

8 Panels

​

  • 8-0

  • 0-8

  • 4-4

  • 7-1

  • 1-7

9 Panel

​

  • 9-0

  • 0-9

  • 5-4

  • 4-5

10 Panels

​

  • 9-1

  • 1-9

  • 5-5

  • 10-0

  • 0-10

Glass Options

  • Double glazing

  • Triple glazing

  • Low-E coatings

  • Tempered or laminated safety glass

Performance Specifications

4000 Pa
Level 7

Wind Resistance

36 dB
Level 7

Sound Insulation

0.3
 

U-Value

550 Pa
Level 6

Water Tightness

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