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AMJ 78T Premium Thermal Break Aluminum Casement Door

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AMJ 78T Premium Thermal Break Aluminum Casement Door
  1. AMJ 78T Premium Thermal Break Aluminum Casement Door
  2. AMJ 78T Premium Thermal Break Aluminum Casement Door
  3. AMJ 78T Premium Thermal Break Aluminum Casement Door
  4. AMJ 78T Premium Thermal Break Aluminum Casement Door
  5. AMJ 78T Premium Thermal Break Aluminum Casement Door
  6. AMJ 78T Premium Thermal Break Aluminum Casement Door
  7. AMJ 78T Premium Thermal Break Aluminum Casement Door
  8. AMJ 78T Premium Thermal Break Aluminum Casement Door

AMJ 78T Premium Thermal Break Aluminum Casement Door

Product Item：AMJ 78T Premium Thermal Break Aluminum Casement Do 
Premium thermal break casement door for villas, high-end residences, apartments, townhouses, 
and light commercial entrances requiring enhanced insulation.

✓ Custom sizes, colors, glass, hardware, threshold options, fixed panels, and installation methods are available.

✓ The 78.3mm frame and 35.3mm thermal break strip support stronger insulation for demanding climates.

✓ Low-E argon-filled tempered insulated glass and German G-U hardware provide reliable sealing, smooth operation, and secure locking.

✓ Supports insulated glass up to 45mm and single, double, transom, side-fixed, high-threshold, or low-threshold configurations.

✓ AMJ has 12+ years of industry experience, 10,000+ completed projects, 200,000㎡ annual output, 
and a 240+ member R&D, sales, and production team.

✓ Standard lead time can be as fast as 25 days, with a 7-year warranty and upgrade options from 10 to 20 years.

Key Specs: 2.0mm profile · 78.3mm frame depth · 35.3mm thermal break strip
 · 5mm Low-E + 27A Argon + 5mm tempered glass · 500–1000mm W / 1800–2800mm H · 100kg max sash weight
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The AMJ 78T Series Casement Door is a premium thermal break aluminum door designed for villas, high-end residences, apartments, townhouses, and light commercial entrances.

Its wider thermal break structure supports improved insulation and sealing performance. Standard Low-E argon-filled tempered insulated glass and German G-U hardware provide reliable operation, secure locking, and long-term daily use.

Single doors, double doors, transoms, side-fixed combinations, and high- or low-threshold options can be customized according to project requirements.

Product Advantages
Enhanced Thermal Break

The 78.3mm frame and 35.3mm thermal break strip support improved insulation in demanding climates.

Up to 45mm Glass

The system supports thicker insulated glass for better thermal, acoustic, and project performance.

Low-E Argon Glass

Standard Low-E argon-filled tempered glass helps improve comfort, safety, and energy performance.

German G-U Hardware

German G-U hardware provides smooth operation, secure locking, and reliable long-term use.

Flexible Threshold Options

High and low thresholds are available for weather sealing, accessibility, and installation needs.

Custom Door Combinations

Single, double, transom, and side-fixed configurations can be made to project drawings.

Technical Specifications
Product Name AMJ 78T Series Casement Door
Product Item AMJ 78T Premium Thermal Break Aluminum Casement Door
Profile Thickness 2.0mm
Frame Depth 78.3mm
Frame / Sash / Mullion Frame 72mm / Sash 96.5mm / Mullion 84mm
Thermal Break Strip 35.3mm
Sash Size Range 500–1000mm width / 1800–2800mm height
Maximum Sash Weight 100kg
Standard Glass 5mm Low-E + 27A Argon + 5mm Tempered Clear Glass
Optional Glass Insulated glass thickness up to 45mm
Standard Hardware German G-U Hardware, Black / White
Optional Hardware HK Kinlong Hardware, Black / White
Threshold Options High Threshold: Interior 72mm / Exterior 44mm; Low Threshold: Interior 18mm / Exterior 12mm
Installation Options Nail Fin / Installation Brackets / Screw Installation
Available Designs Single Door / Double Door / Transom / Side Fixed Combination / High Threshold / Low Threshold
Hardware Note Door sash height above 2500mm requires four hinges
Product Performance
≥2.0 W/㎡·KU-Value
500PaWater Tightness
0.5m³/(m·h)Air Tightness
≤5000PaWind Pressure Resistance
35dBSound Insulation
Application

Suitable for premium villas, high-end residential entrances, apartments, townhouses, patios, balconies, and light commercial projects requiring stronger insulation and flexible door combinations.



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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