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Custom Aluminum Windows and Doors | Vision Series Bifold Door

At Cornerstone Windows & Doors, we specialize in custom aluminum windows and doors that bring strength, elegance, and smooth performance to every space. Our bifold doors are designed with premium aluminum frames and high-quality glass to create seamless transitions between indoors and outdoors. Whether you’re upgrading your patio or adding light to your living space, our custom aluminum windows and doors are crafted for energy efficiency, durability, and modern design.

  • Smooth folding system for effortless operation

  • Wide opening for maximum indoor-outdoor flow

  • Strong aluminum construction for thin sight lines

  • Energy-efficient glazing with excellent sealing

  • Custom sizes and configurations available

Close-up of bifold door hardware showing double lifting wheel bracket, hinge, and screw placement

  • Thermally broken system for thermal control

  • Muli-point locking mechanism for safety Modern powder coat finishes

  • Bottom loaded with steel hardware

  • Low or integrated thresholds available

 Key Features

Gallery

Every Cornerstone product — from bifold systems to custom aluminum windows and doors — is built to deliver luxury, longevity, and exceptional performance.

Product Details

Cornerstone aluminum window close-up showing weather-sealed thermal break construction
Modern minimalist living area with floor-to-ceiling thermally broken aluminum windows
Luxury home exterior at sunset with Cornerstone aluminum sliding and pivot doors
Thermally broken aluminum window section — high insulation cross-section view
Elegant aluminum frame corner showing seamless thermal barrier and glazing
Contemporary patio view featuring energy-efficient thermally broken aluminum door system
Modern home with thermally broken aluminum windows and sliding doors — Cornerstone Windows & Doors
Luxury bifold doors made from thermally broken aluminum — open patio view
High-performance aluminum window frame and handle — precision engineered by Cornerston
Black thermally broken aluminum bifold system fully open to outdoor space

2-15/16" (75mm)

System Depth

Std Glass Configuration

1/4" Clear + 1/2" Argon + 1/4" Low-E 

Hardware

Steel Rollers/Hinges and Multi-point Locks 

Colors

Black/White/Gray (default)
RAL Custom colors
Wood-grain Film application

Close-up of thermally broken aluminum frame showing slim black profile and double glazing
Contemporary house exterior with aluminum pivot doors and windows — modern architectural design

Accessories

Sash Width

1- 3/4" (45mm) 

Panel Size

Width: 24" - 36"
Height: 80" - 120" 

Large aluminum sliding glass doors connecting living room to outdoor patio — energy-efficient design

Retractable Screen
Smart Lock

GLASS OPTIONS

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Black Tempered

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Black Tempered

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Ford Blue Coated

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EU Gray Coated

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Blue Star Grey Coated

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Dark Low-E

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Light Low-E

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Matte

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