Standard Top-Hung Thermal Break Bifold Door

Product Item：AMJ 68T Thermal Break Top-Hung Bi-fold Door

✓ Best for patios, villas, restaurants, hotels, and commercial openings requiring wide access.

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

✓ 77.3mm top-hung system with 2.0mm aluminum profiles and Kerssenberg hardware.

✓ Panel sizes from 550–850mm wide × 1000–3000mm high, up to 150kg.

✓ Low-E insulated glass up to 35mm, 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 as fast as 25 days · Warranty coverage up to 15 years

Product Detail
FAQs

Custom Exterior Bi-Fold Glass Doors for Residential & Commercial Projects

AMJ exterior bi fold doors create wide openings between indoor and outdoor spaces, connecting living areas with patios, decks, and other outdoor spaces.

Available as custom bi folding glass doors for patios, kitchens opening to outdoor areas, garden rooms, coastal homes, and selected commercial projects. Panel layouts and optional accordion screens can be specified from your drawings.

2.0mmAluminum Profile

14.8mmThermal Break

550–850 × 1000–3000mmPanel Width × Height

150kgMaximum Panel Weight

35mmMaximum IGU Thickness

5mm Low-E + 20mm Argon + 5mmStandard tempered clear glass

Performance References

≥0.43U-Factor
BTU/(h·ft²·°F)

1 L/s·m²Air Leakage

300 PaWater Resistance

≤3000 PaWind Pressure

33 dBSound Insulation

Not specifiedSHGC · confirm with selected glass configuration

Key Features

Three practical details for stable support, smooth operation, and easier installation and maintenance.

Adjustable Top-and-Bottom Support

Support at both the top and bottom can be adjusted during installation to fine-tune panel alignment and help keep the folding system stable.

Bi-fold door running hardware designed for smoother movement and panel alignment

Smoother Movement, Better Panel Alignment

The coordinated running hardware and adjustable support help the panels move smoothly and reduce the chance of leaning during opening and closing.

Access box for easier top-hung bi-fold door track installation and maintenance

Access Box for Easier Installation & Maintenance

A dedicated access box makes the top-hung track easier to reach during installation, inspection, and servicing. Many standard bi-fold systems do not include this type of access structure as standard.

Get a Quote

Top-Hung Aluminum Bifold Door Operation

See how the panels unlock, fold, move along the top-hung track, and stack at the side.

Technical Specifications

Overall system width3+0 configuration: 1890–2780mm.

System dimensionsWall depth: 77.3mm; vertical frame and lower track: 54mm; top-hung track: 68mm; panel: 57.5mm; mullion: 42.8mm.

HardwareKerssenberg hardware, available in black or silver.

Installation optionsNail Fin, mounting tabs, or screws, subject to the approved opening detail.

Insect screenAccordion screen available as an option.

Available Bifold Door Layout Codes

For custom size bi fold doors, the final panel count, 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.

Featured Project: San Diego Coastal Villa

San Diego coastal villa with aluminum bi-fold doors

Bi-fold door detail at the San Diego villa

Aluminum glazed folding door installation

SAN DIEGO, CALIFORNIA

Aluminum Bi-Fold Doors for a San Diego Coastal Villa

The builder chose aluminum bi-fold doors as a new approach after working with UPVC doors. AMJ is also expected to supply windows for a later project phase.

ClientResidential builder

Door packageTwo bi-fold doors

Profile detail7 m full-length aluminum profiles, kept as continuous pieces

Next phaseWindow supply planned

View Full Project →

Our Strength

Production Process Project Services Certificates

1. Checking & Alignment

2. Cutting & Punching

3. Milling Holes

4. Assembly

5. Glass Assembly

6. Packaging

7. Delivery

8. Installation

Drawing & Engineering Review

Sample Support

Quality Inspection

U.S. Showrooms

48-Hour On-Site Support

Warranty Service

NFRC

CSA

ENERGY STAR

ISO

Need a Taller Opening?

An Extra-Tall top-hung system is available for projects requiring larger panel dimensions.

Extra-Tall Top-Hung Thermal Break Bifold Door

Panel width550–950mm

Panel height1000–4000mm

Standard glass5mm Low-E + 24mm Argon + 5mm tempered clear glass

Maximum IGU37mm

System depth93mm

Estimated U-Factor≥0.40 BTU/(h·ft²·°F)

Frequently Asked Questions

What should I send for a custom bi-fold 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 make custom size bi fold doors?

Yes. AMJ can review architectural drawings, opening dimensions, panel layouts, folding direction, glass, and finish before production. Final sizes and configurations are confirmed against the approved drawings.

Are these bi-fold glass doors suitable for kitchens, garden rooms, and commercial projects?

The system can be considered for kitchens opening to patios, garden rooms, villas, restaurants, and selected commercial openings. Suitability depends on the opening dimensions, site conditions, and the final project configuration.

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?

Warranty coverage up to 15 years, with longer terms available for selected projects

Start Your Bi-Fold Door Project

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

Request a Project Quote Chat on WhatsApp

01 Why work with AMJ for aluminum window and door projects?

AMJ is a professional aluminum window and door manufacturer with nearly 20 years of industry experience and a 430,000 sq ft production base. Our engineering, production, quality-control and project teams support builders, contractors, developers, dealers and importers from product selection through production and delivery.

02 What aluminum windows and doors can you customize?

We provide custom aluminum casement, tilt & turn, sliding, awning, hung and fixed windows, together with sliding, lift & slide, bifold and hinged doors. Sizes, glass, colors, hardware, screens and opening configurations can be customized for residential and commercial projects.

03 What certifications do AMJ windows and doors have?

Selected AMJ aluminum window and door systems are available with NFRC and CSA certification support, ENERGY STAR options and Intertek testing experience. Certification depends on the specific product system, glass configuration, size and project requirements. Our team will confirm the applicable certified solution before quotation.

04 Can you review our drawings and prepare a project quote?

Yes. Our professional technical team can review architectural drawings, BOQ, window schedules and opening dimensions, then help confirm suitable window and door systems, glass, hardware and configurations. Send your project files to info@amjbm.com for technical review and a project-specific quotation.

05 Can you meet project performance and local code requirements?

Product selection can be reviewed according to the project location and required U-value, SHGC, design pressure, glass safety and other performance requirements. Share the project location and specifications with our team so the appropriate frame and glass configuration can be checked before production.

06 What glass and thermal performance options are available?

AMJ offers thermal-break aluminum systems with options including Low-E, tempered, laminated, insulated, tinted, frosted and argon-filled glass, as well as selected double- and triple-glazing configurations. The final setup is matched to the product system and project performance requirements.

07 How long are production and warranty coverage?

Production can be as fast as 25 days depending on quantity, configuration, glass, finish and project complexity. Warranty coverage is available for up to 15 years, with longer terms available for selected systems and projects. Final terms are confirmed according to the order specification.

08 What happens if we need replacement parts or after-sales support?

AMJ supports replacement hardware and service parts for AMJ project orders. Commonly used service components are kept available so our team can respond quickly when replacement or supplementary items are required. Order records also help us confirm the correct specification before arranging support.

09 How are orders packed and delivered?

Products are inspected before packing and protected according to the product type and shipping method. AMJ can support factory, port and door-to-door delivery options. Shipping terms and freight costs are confirmed according to the destination, quantity and project requirements.

...

Tags: Top-Hung Bifold Door; Thermal Break Folding Door; Aluminum Bifold Door; Patio Door

PREVIOUS：High-Insulation Aluminum Hinged Door

NEXT：Standard Thermal Break Aluminum Casement Window