80 Series Folding Door

The 80 Folding Doors transform spaces with wide, uninterrupted openings that seamlessly connect indoors and outdoors. Built with premium broken aluminum frames, high-performance insulated glass, and precision hardware, they deliver smooth folding action, lasting durability, and superior thermal and sound insulation. Perfect for creating bright, open, and versatile living or commercial spaces.

PANELS WITHOUT EXCESS MULLIONS

For a clean aesthetic style our folding door panels can be 39" wide and 120" tall without the need for obtrusive horizontal mullions due to highly engineered profiles that do not require additional support.

TOP HUNG FOR EFFORTLESS CONTROL

With the weight of the doors above, Greborn Global Bifold Doors prevent alignment issues allowing ease of operation with effortless fingertip control.

PERFORMANCE GLASS

Greborn Global features Cardinal Glass, the world's leading glass manufacturer with the ability to match any door and window package and meet any energy code requirement. Our wide range of glass options provide you with the highest level of comfort and savings year-round fit for any weather. Offering both dual and triple glaze options, our dual glazed Low-E tempered glass is standard on all Greborn Global's Accordion Door systems for better performance. Greborn Global also offers Cardinal's latest innovation, Neat Glass, which is easier to clean, lower maintenance and more energy efficient.

THERMALLY CONTROLLED OPTIONS

For maximum protection against cold and hot climates, our accordion doors feature thermal breaks offer lower u-factors, limit condensation, increase energy performance and reduce thermal conductivity

Handle brand

American CMECH swing door handle

Hardware brand

CMECH folding sliding door hardware from the United States

Surface treatment

AkzoNobel environmentally friendly powder from the Netherlands

Sealant strip

EPDM sealant strip

Why Us?

Why Us?

Modern Aesthetics

Crafted from premium aluminum, our products embody a sleek, minimal design that complements any architectural style.

Extreme Performance

Engineered for excellence, delivering superior water and wind resistance to withstand even the harshest conditions. Our Thermal Break Technology means more energy saving, and of course, more comfort for you.

Seamless Experience

We want to give you the smoothest operation possible, with effortless opening and closing—just seamless experience.

Key Features

Thermal Break Technology

We combine our Broken Aluminum frames with premium insulated glass to achieve superior energy efficiency and comfort. Standard dual-glazed Low-E tempered glass minimizes heat transfer, while optional triple glazing and self-cleaning coatings offer enhanced insulation, reduced maintenance, and year-round comfort.

21-W80 folding door in Chinese red
21-W80 folding door in Chinese red
21-W80 folding door spruce green
21-W80 folding door spruce green
21-W80 folding door deep red
21-W80 folding door deep red
21-W80 Folding Door Mao Yue Color
21-W80 Folding Door Mao Yue Color
21-W80 Folding Door Tiffany Blue
21-W80 Folding Door Tiffany Blue
21-W80 folding door Hermes Orange
21-W80 folding door Hermes Orange
Thermal Control in Every Climate

Our Broken Aluminum Technology features a precision-engineered thermal break, reducing thermal conductivity, limiting condensation, and increasing energy performance. Whether in freezing winter

Energy Efficiency

At Greborn Global, energy efficiency is built into every design. Our products are undergoing NFRC certification to ensure industry-leading performance and will fully comply with California Title 24 energy standards. Dual-glazed Low-E glass comes standard across our range, providing superior insulation, reduced heat transfer, and year-round comfort — all without compromising on style or performance.

Sound Insulation Efficiency

Our Folding Doors combine dual- or triple-glazed insulated glass, precision-engineered frames, and continuous sealing strips to significantly reduce noise infiltration. Even when spanning large openings, they maintain excellent acoustic performance — creating a quiet and comfortable environment indoors.

Performance
Level 9

Wind pressure resistance performance

37dB

Sound insulation performance

Level 3

Water tightness performance

Level4

Airtightness performance

1.8~2.0W/(㎡.K)

Thermal insulation performance

Hardware

Greborn’s Folding Door Systems feature the highest quality hardware and components from CMECH. Contact for more information on hardware options.

Hold hands
Hold hands
Color

Express all your creativity with our wide range of color selections, including our exclusive signature finishes. Whether you’re seeking a bold statement or a subtle match, our palette offers endless possibilities to bring your vision to life. Every surface is finished with environmentally friendly AkzoNobel powder coating from the Netherlands — ensuring vibrant, long-lasting color with a sustainable touch. We even support mixing and matching different finishes on the panels!

Silver
Silver
Product Configuration
CONFIGURATION DESCRIPTION
Handle brand

Product wall thickness

Product wall thickness

Profile wall thickness 0.0787 inches

Complies with the latest national standard GB/T8478-2020

Hardware brand

CMECH folding sliding door hardware from the United States

Glass configuration

1.142 inches /1.535 inches

Surface treatment

AkzoNobel environmentally friendly powder from the Netherlands

Aluminum profiles

Ultra high precision grade 6060-T66

Sealant strip

EPDM sealant strip

Insulation strip

0.945 inch wide insulation strip

SYSTEM STRUCTURE
Face size

Frame 2.17 inches,fan 1.85 inches

Sealing design

Sliding rubber strip sealing and independent drainage design provide better water tightness performance

Product thickness

Frame 3.15 inches, fan 2.76 inches

Insulation chamber

Maximum design of insulation strip chamber,Rubber foam filling technology can be added to significantly improve insulation performance

Cavity structure

The frame fans are designed with indoor and outdoor dual chamber structures, combined with 45 degree angle cutting and injection molding technology, ensuring stable structure and higher safety.

Lock point lock seat

Standard multi-point safety anti pry lock points

Outline Link

The outer frame connection adopts a 90 degree splicing design of connecting components, which makes the connection more secure

Corner code corner piece

Poured solid corner code+stainless steel spiral anglepiece design,More secure and sturdy

Drainage structure

The outer view of the frame and horizontal stile adopts a flat drainage design for efficient drainage and prevents rainwater from flowing back