AMJ 78T Thermal Break Aluminum Casement Window

The AMJ 78T Series is an outward opening thermal break aluminum casement window designed for North American residential, apartment, villa, and light commercial projects. With a 78.3mm frame depth, 1.8mm aluminum profile thickness, Low-E argon-filled tempered glass, German G-U hardware, and NFRC support, this window system provides reliable insulation, smooth operation, and strong weather performance.

Custom sizes, colors, glass options, opening layouts, flyscreen options, and installation methods are available according to project drawings and window schedules.

Product Advantages

78.3mm Thermal Break Frame

78.3mm frame depth with a 35.3mm thermal break strip helps improve insulation and indoor comfort.

1.8mm Aluminum Profile

Durable aluminum profile thickness supports stable use for residential and project-based construction.

Low-E Argon Glass

Standard 5mm Low-E + 27A Argon + 5mm tempered clear glass supports better energy performance.

German G-U Hardware

Standard German G-U hardware in black or white provides smooth opening and reliable locking performance.

Weather Resistance

Designed for water tightness, air tightness, wind pressure resistance, and sound insulation performance.

Flexible Window Designs

Available as single casement, casement with fixed panel, fixed window, and 90° or 135° corner window designs.

Technical Specifications

Product Name	AMJ 78T Series Casement Window
Series	AMJ 78T Thermal Break Outward 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
Sash Size Range	450–750mm width / 500–1500mm height
Maximum Sash Weight	40kg
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
Flyscreen Option	Pleated Retractable Flyscreen
Installation Options	Nail Fin / Installation Brackets
Available Designs	Single Casement / Casement with Fixed Panel / Fixed Window / 90° and 135° Corner Window
Certification	NFRC Certified / Suitable for U.S. Market

Product Performance

≥1.8 W/㎡·K U-Value

700Pa Water Tightness

0.5m³/(m·h) Air Tightness

≤5000Pa Wind Pressure Resistance

35dB Sound Insulation

Application

The AMJ 78T aluminum casement window is suitable for modern homes, apartments, villas, townhouse projects, and light commercial buildings. It works well for bedrooms, living rooms, kitchens, study rooms, and other spaces that require ventilation, natural light, thermal insulation, and a clean modern appearance.

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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