Product Introduction
AMJ 78T Energy Efficient Casement Window is an outward-opening thermal break aluminum system for homes, villas, apartments and light commercial projects. Compared with the 67T, the deeper 78.3mm system supports insulated glazing up to 47mm, making it better suited to projects that need stronger thermal performance. These energy efficient casement windows can be customized by size, color, glass, screen and fixed-panel layout.
Product Advantages
1. Enhanced Thermal Break Structure
The 78T casement window uses a deeper thermal break design to help reduce heat transfer and improve indoor comfort in different climates.
The 78T casement window uses a deeper thermal break design to help reduce heat transfer and improve indoor comfort in different climates.
2. Strong Glass Compatibility
This series supports insulated glass up to 45mm thick, making it suitable for projects that require better thermal insulation, sound reduction, and energy performance.
This series supports insulated glass up to 45mm thick, making it suitable for projects that require better thermal insulation, sound reduction, and energy performance.
3. Low-E Argon-Filled Glass
The standard Low-E argon-filled tempered insulated glass helps improve insulation, safety, and daily comfort for residential and light commercial buildings.
The standard Low-E argon-filled tempered insulated glass helps improve insulation, safety, and daily comfort for residential and light commercial buildings.
4. Reliable German G-U Hardware
German G-U hardware provides smooth opening, secure locking, and stable long-term operation for daily use.
German G-U hardware provides smooth opening, secure locking, and stable long-term operation for daily use.
5. Flexible Window Configurations
Available designs include single casement, fixed window, casement with fixed panel, and 90° / 135° corner window options.
Available designs include single casement, fixed window, casement with fixed panel, and 90° / 135° corner window options.
6. Optional Built-In Blinds and Flyscreens
Manual built-in blinds and pleated retractable flyscreens are available to support privacy, ventilation, and insect protection.
Manual built-in blinds and pleated retractable flyscreens are available to support privacy, ventilation, and insect protection.
7. Project-Based Customization
Sizes, colors, glass, hardware, screens, opening layouts, and installation methods can be customized according to project drawings and requirements.
Sizes, colors, glass, hardware, screens, opening layouts, and installation methods can be customized according to project drawings and requirements.
8. Stable Performance for Global Projects
With strong sealing, wind resistance, water tightness, and sound insulation performance, this casement window is suitable for villas, apartments, townhouses, and light commercial projects worldwide.
With strong sealing, wind resistance, water tightness, and sound insulation performance, this casement window is suitable for villas, apartments, townhouses, and light commercial projects worldwide.
Applications

Technical Specifications
| Item | Specification |
|---|---|
| Product Name | AMJ 78T Series Casement Window |
| Product Type | Thermal Break Outward Opening Aluminum Casement Window |
| Profile Thickness | 1.8mm |
| Frame Depth | 78.3mm |
| Frame / Sash / Mullion | Frame 62mm / Sash 85.5mm / Mullion 84mm |
| Thermal Break Strip | 35.3mm |
| Standard Glass | 5mm Low-E + 27 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 |
| Sash Size Range | 450–750mm Width / 500–1500mm Height |
| Maximum Sash Weight | 40kg |
| Flyscreen Option | Pleated Retractable Flyscreen |
| Installation Options | Nail Fin / Installation Brackets |
| Available Designs | Single Casement / Fixed Window / Casement with Fixed Panel / 90° and 135° Corner Window |
Product Performance
| Performance Item | Data |
|---|---|
| U-Value | ≥1.8 W/㎡·K |
| Water Tightness | 700Pa |
| Air Tightness | 0.5m³/(m·h) |
| Wind Pressure Resistance | ≤5000Pa |
| Sound Insulation | 35dB |

Applications
Suitable for modern casement windows in villas, apartments and larger residential openings. The system is also a practical option for builders specifying large casement windows or higher-insulation window packages in the U.S., Canada, Australia and other markets.










