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Extra-Tall Top-Hung Thermal Break Bifold Door

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Extra-Tall Top-Hung Thermal Break Bifold Door
  1. Extra-Tall Top-Hung Thermal Break Bifold Door
  2. Extra-Tall Top-Hung Thermal Break Bifold Door
  3. Extra-Tall Top-Hung Thermal Break Bifold Door
  4. Extra-Tall Top-Hung Thermal Break Bifold Door
  5. Extra-Tall Top-Hung Thermal Break Bifold Door
  6. Extra-Tall Top-Hung Thermal Break Bifold Door
  7. Extra-Tall Top-Hung Thermal Break Bifold Door
  8. Extra-Tall Top-Hung Thermal Break Bifold Door

Extra-Tall Top-Hung Thermal Break Bifold Door

Product Item：AMJ 80T Premium Thermal Break Top-Hung Bi-fold Doo 
✓ Best for extra-tall villa, hospitality, restaurant, and commercial openings.

✓ Multiple folding layouts and 90° post-free corner configurations are available.

✓ 93mm top-hung system with 2.0mm aluminum profiles and Kerssenberg hardware.

✓ Panel sizes from 550–950mm wide × 1000–4000mm high, up to 150kg.

✓ Low-E insulated glass up to 37mm, with an optional accordion screen.

✓ Custom sizes, colors, glass, hardware, screens, stacking directions, and installation options are available.

NFRC / CSA requirements can be reviewed by project.

Production from approximately 25 days · Standard 7-year warranty
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Extra-Tall Top-Hung Thermal Break Bifold Door

This extra-tall aluminum bifold door is designed for wide patio, villa, restaurant, hotel, and commercial openings that need panels up to 4,000mm high.

The top-hung system uses 2.0mm aluminum profiles, Kerssenberg hardware, Low-E argon insulated glass, an optional accordion screen, and multiple folding layouts.


Choose This System When the Opening Is Taller

It keeps the same simple folding operation while allowing wider and taller individual panels.

1 Panels can be 550–950mm wide.
2 Panel height can reach 4,000mm.
3 Panels fold and stack to the side.
2.0mm Aluminum Profile
550–950mm Panel Width
1000–4000mm Panel Height
150kg Maximum Panel Weight
37mm Maximum IGU

Why Choose This Extra-Tall Aluminum Bifold Door?

This is the better choice when the project needs taller panels, a wider panel range, and a larger glass cavity.

It Can Reach 4,000mm High

Choose this system for extra-tall openings where the standard 3,000mm folding door is not enough.

Each Panel Can Be Wider

The listed panel-width range extends to 950mm, giving the opening more glass with fewer panels.

Top-Hung Hardware Keeps It Moving

Kerssenberg top-hung hardware in black or silver carries the panels from the upper track.

It Supports a 37mm IGU

Standard Low-E argon insulated glass uses a 24mm cavity, with a maximum IGU thickness of 37mm.

An Accordion Screen Is Available

Add a retractable screen when the opening needs airflow and insect protection.

Multiple Folding Layouts Are Available

Choose common folding codes or a 90-degree post-free corner after the drawings are reviewed.

Configured for Extra-Tall Aluminum Folding Door Openings

Send the opening size, panel layout, stacking direction, glass, screen requirement, and project ZIP code for review.

Hardware Kerssenberg

Top-hung folding hardware in black or silver.

Standard Glass 5 Low-E + 24 Ar + 5

Tempered clear insulated glass.

Screen Accordion Screen

Optional retractable screen for ventilation and insect control.

Installation Nail Fin / Tabs / Screws

Installation method is confirmed from the wall detail.

Panel and System Details

Panel size 550–950mm wide × 1000–4000mm high.
Maximum panel weight 150kg per folding panel.
Maximum IGU 37mm.
Available layouts 440, 422, 431, 330, 321, and 90° post-free corner.
System dimensions 93mm wall depth; 62.6mm vertical frame and lower track; 83.8mm top-hung track; 63.2mm panel; 44mm mullion; 14.8mm frame and panel thermal break.

Estimated Performance References

≥0.40 Estimated U-Factor
BTU/(h·ft²·°F)
300Pa Estimated Water Resistance
1 L/s·m² Estimated Air Leakage
≤3000Pa Estimated Wind Pressure
33dB Estimated Sound Insulation
2.0mm Aluminum Profile
These values are engineering references from the latest AMJ product specification. Final results depend on panel size, glass, layout, installation, and the applicable project test report.

Available Bifold Door Layout Codes

The final folding direction and stacking position should be confirmed from the project drawings.

440

Project layout code

422

Project layout code

431

Project layout code

330

Project layout code

321

Project layout code

90° Corner

Post-free corner option

Layout codes are project references. AMJ will confirm the panel count, traffic door position, folding direction, and stacking side from the final drawings.

Our Strength

Checking and Alignment

1. Checking & Alignment

Cutting and Punching

2. Cutting & Punching

Milling Holes

3. Milling Holes

Assembly

4. Assembly

Glass Assembly

5. Glass Assembly

Packaging

6. Packaging

Delivery

7. Delivery

Installation

8. Installation

Drawing and Engineering Review

Drawing & Engineering Review

Sample Support

Sample Support

Quality Inspection

Quality Inspection

U.S. Showrooms

U.S. Showrooms

Local On-Site Support

48-Hour On-Site Support

Warranty Service

Warranty Service

NFRC Certificate

NFRC

CSA Certificate

CSA

ENERGY STAR Certificate

ENERGY STAR

ISO Certificate

ISO

Which Top-Hung Bifold Door Fits Your Project?

Only the differences between the two folding door systems are shown.

Standard Top-Hung Thermal Break Bifold Door

Panel width 550–850mm
Panel height 1000–3000mm
Standard glass 5 Low-E + 20 Ar + 5
Maximum IGU 35mm
System depth 77.3mm
Estimated U-Factor ≥0.43 BTU/(h·ft²·°F)
CURRENT

Extra-Tall Top-Hung Thermal Break Bifold Door

Panel width 550–950mm
Panel height 1000–4000mm
Standard glass 5 Low-E + 24 Ar + 5
Maximum IGU 37mm
System depth 93mm
Estimated U-Factor ≥0.40 BTU/(h·ft²·°F)

Frequently Asked Questions

What should I send for a bifold door quotation?

Send the project location, rough opening size, panel count, stacking side, traffic door position, glass, finish, screen requirement, installation detail, and delivery ZIP code to info@amjbm.com.

Can AMJ review the panel layout and stacking direction?

Yes. Send the architectural drawings or rough opening size, and AMJ can review the panel count, traffic door position, stacking side, and folding direction before production.

What is the minimum order quantity?

We offer flexible MOQs. Sample sets can be reviewed before bulk production, and tiered pricing is available for full container load project orders.

How long do production and shipping take?

Standard production can be as fast as 25 days after drawings, dimensions, glass, finish, and hardware are approved. Larger or more complex orders may take about 30–55 days. Transit time depends on the destination and carrier schedule.

What warranty is included?

A standard 7-year warranty is available for the ordered bifold door system, subject to the final order terms and normal use. Longer warranty options may be reviewed for qualifying projects.

Start Your Extra-Tall Aluminum Bifold Door Project

Send your drawings, opening sizes, panel layout, or BOQ for glass, hardware, screen, folding direction, and project pricing.

Request a Project Quote Chat on WhatsApp


Here are the key questions project buyers, contractors, developers and distributors usually ask before working with AMJ.

Are you a factory?
Yes. AMJ is a factory-based aluminum window and door manufacturer in Guangdong, China, with our own production plant, technical team, equipment, QC process, and export packaging system.
What should I send for a quotation?
Please send project drawings, window and door schedule, sizes, quantities, glass requirements, frame color, hardware options, project location, and expected delivery time.
Can you customize products according to project drawings?
Yes. We can customize sizes, opening styles, glass, colors, hardware, and system solutions according to your drawings and project requirements.
Are your products suitable for export projects?
Yes. We provide aluminum window and door solutions for residential, commercial, and custom projects, and can match suitable configurations according to different market requirements.
Do you have certifications or test reports?
Yes. AMJ has NFRC, CSA and ISO management system certifications, and experience with AS2047 / AGWA requirements for the Australian market. Project-specific testing can also be arranged if needed.
What types of aluminum windows and doors do you offer?
We offer casement, sliding, awning, double hung, tilt-turn windows, as well as sliding, casement, bi-fold, pivot and other aluminum door systems.
How do you control quality before shipment?
Before shipment, we check profiles, glass, hardware, dimensions, surface finish, opening operation, sealing, assembly quality, and packaging. Photo/video inspection or third-party inspection is also available.
How do you package products for export?
We use reinforced export packaging, protective film, corner protection, foam, crates or steel frames, and clear job-site labels to reduce damage and support easier installation.
What is your normal production lead time?
Normally, production takes around 25–35 days after drawings, specifications, payment terms, and production details are confirmed. The exact lead time depends on order quantity, product system, glass, color, and hardware configuration.
What warranty and after-sales support do you provide?
AMJ provides up to 10 years product warranty depending on the product system, glass, hardware, and project conditions. We also provide installation guides, installation videos, technical support, spare parts support, and project follow-up service.
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