Aluminium Casement Windows

Aluminium Casement Windows are hinged on one side of the aluminum frame, allowing them to open inward or outward. Made from high-quality aluminium alloy, they are known for their strength, durability, and excellent sealing performance, which minimizes air and water leakage. This ensures outstanding thermal insulation and soundproofing, making them highly energy-efficient and comfortable for indoor environments.
These windows also feature a sleek, modern design that suits both residential and commercial applications. Their opening mechanism allows for efficient ventilation, while various design and finish options make them versatile and stylish. Combining performance and aesthetics, aluminium casement windows remain a timeless choice for contemporary architecture.
Features
Superior Sealing: The advanced sealing system ensures excellent airtightness and watertightness, effectively preventing rainwater, dust, and wind from entering. This makes it an ideal choice for high-rise buildings and areas with extreme weather conditions.
Outstanding Insulation: Aluminium casement windows, combined with insulated or double-glazed glass, provide exceptional soundproofing, reducing external noise. They also offer excellent thermal insulation, improving energy efficiency and maintaining indoor comfort.
Lightweight and Durable Material: Made from lightweight yet strong aluminium, these windows can support large glass panes without deformation. Enhanced with surface treatments like anodizing or powder coating, they exhibit outstanding corrosion resistance, making them highly durable and suitable for humid or coastal environments.
Enhanced Safety: Equipped with robust hardware and multi-point locking systems, these windows provide a high level of security, offering resistance to tampering and enhancing anti-theft protection.
Aesthetic Flexibility and Customization:The minimalist aluminium frames paired with expansive glass panes create a modern and elegant appearance. The windows can be customized in terms of size, color, surface finish, and opening direction, ensuring they suit a wide range of architectural styles and design needs.
Single-Sash Casement Window
A casement window consisting of only one operable sash. This structure is ideal for smaller window openings and provides effective ventilation with simple functionality.
Double-Sash Casement Window
This type includes two operable sashes that can open outwards or inwards, offering enhanced ventilation and accessibility. It is commonly used for larger-sized windows, creating a balanced and symmetrical appearance.
Fixed + Casement Combination Window
A design that combines fixed panes with operable casement sections. The fixed portion allows for maximum natural light, while the casement portion provides localized ventilation. This structure is ideal for applications requiring a blend of lighting and airflow.
Home Casement Windows

Living Rooms and Bedrooms: Large aluminium casement windows bring in ample natural light, creating bright and comfortable spaces. Inward-opening designs are particularly convenient for cleaning exterior glass, ideal for everyday maintenance.
Kitchens and Bathrooms: Outward-opening casement windows preserve interior space while providing effective ventilation, making them perfect for removing smoke, odors, or excess moisture.
High-Rise Apartments: Paired with double-glazed or insulated glass, these windows excel at soundproofing and thermal insulation, ensuring a quiet and energy-efficient living environment in busy urban settings.
Commercial Casement Windows

Office Buildings and Commercial Centers: With excellent lighting and insulation capabilities, aluminium casement windows fit the requirements of modern office environments, offering a functional and stylish design.
Hotels: Combining aesthetic appeal with functionality, casement windows enhance privacy, soundproofing, and energy efficiency, creating a serene and elegant atmosphere for guests.
Schools and Hospitals: These windows improve ventilation and air circulation while offering safety and hygiene benefits. Inward-opening designs simplify cleaning procedures, meeting the practical needs of such public facilities.
Structure of Aluminium Casement Windows

1. Aluminium Frame
The aluminium frame serves as the core structural foundation of the casement window, ensuring long-lasting durability and stability. Its key attributes include:
Common Specifications:
- Width Range: 500mm ~ 1500mm
- Height Range: 500mm ~ 2000mm
- Aluminium Frame Thickness: 1.4mm ~ 2.0mm
Material:
The frame is primarily constructed from 6063-T5 or 6060-T5 aluminium alloy, which are celebrated for their exceptional mechanical properties, combining lightweight features with high strength. For specific project requirements, higher-grade or reinforced aluminium alloys may be employed to address challenges such as harsher environmental conditions or additional structural demands.Design:
The frame features a slim and streamlined profile, maximizing the glass area to offer an unobstructed view while maintaining a sleek, modern aesthetic. Despite the narrow design, the frame retains robust stability and offers design flexibility for diverse architectural needs.Surface Treatment:
To enhance both functionality and aesthetics, various surface treatments are applied:- Anodizing: Provides a natural metallic finish with strong resistance to scratches and wear, perfect for achieving a modern and durable look.
- Powder Coating: Offers a broad range of color and texture options, improving corrosion resistance and ensuring longevity.
- Electrophoretic Coating: Enhances resistance to oxidation and UV radiation, ensuring a premium appearance, particularly for high-end projects.
- Wood Grain Transfer: Achieves a realistic wood-like texture, ideal for traditional or rustic architectural designs.
2. Glass Pane
The glass pane is a critical component that directly impacts the window’s thermal insulation, soundproofing, and overall energy efficiency. Key options include:
- Single Glass: Cost-effective and widely used for basic window requirements, with a thickness range of 5mm ~ 6mm.
- Insulated Glass: Double-glazed panels, such as 5+12A+5mm or 6+16A+6mm, provide superior thermal insulation and noise reduction for enhanced indoor comfort.
- Laminated Glass: Glass panels bonded with an interlayer like 5+0.76PVB+5mmoffer improved safety by reducing the risk of shattering and provide excellent soundproofing capabilities.
- Special Glass: Options such as low-emissivity (Low-E) glass enhance energy efficiency, reduce heat transfer, and block harmful UV rays.
3. Sealing System
The sealing system ensures excellent water tightness, air tightness, and thermal insulation in aluminium casement windows.
- Sealing Strips: Made from durable rubber or silicone, these strips form a multi-layer seal between the sash and the frame, effectively blocking air, water, and dust infiltration.
- Thermal Break: A polyamide thermal bridge is incorporated to significantly reduce heat transfer across the frame, enhancing energy efficiency and indoor temperature regulation.
4. Hardware Components
High-quality hardware elements support the operability, safety, and longevity of the casement window.
- Hinges: Durable and corrosion-resistant hinges ensure smooth and stable opening and closing of the sash.
- Handle: Ergonomic handles are easy to operate and often include locking mechanisms to enhance security.
- Locking Mechanism: Multi-point locking systems secure the sash tightly to the frame, providing additional safety and preventing unauthorized access.
- Fasteners and Screws: Manufactured from rust-proof materials, they securely anchor all mechanical components, ensuring long-term reliability.
5. Drainage System
The drainage system is a crucial design feature for maintaining water resistance in aluminium casement windows.
- Concealed Drainage: Integrated into the frame design, these hidden drainage paths allow rainwater to flow out efficiently, preventing accumulated water from seeping into the interior and enhancing the window’s weatherproofing capabilities.

Performance Indicators
Wind Pressure Resistance: ≥3000Pa, ensuring excellent performance for high-rise buildings and coastal cities subject to strong winds.
Water Tightness: Advanced sealing design prevents rainwater infiltration, meeting national Grade 5 standards.
Air Tightness: Superior sealing achieves a Grade 6 rating, effectively blocking outside air and dust from entering indoor spaces.
Sound Insulation: Features soundproofing capabilities that reduce noise levels by 30~45 dB, ideal for noisy urban environments.
Thermal Insulation: Utilizes thermal break aluminium and insulated glass to lower the heat transfer coefficient (U-value) to below 2.0 W/m²·K, significantly improving energy efficiency and maintaining indoor temperature.
Custom Window Manufacturing Services
Our Window & Door Division specializes in global customization of high-quality windows, including glass integration. We support a wide range of window types to meet diverse architectural needs:
Available Window Styles
- Sliding Windows
- Casement (Awning/Crank-out) Windows
- Top-Hung & Bottom-Hung Windows
- Tilt & Turn Windows
- Double-Hung & Single-Hung Windows
- Lift & Slide Windows
- Folding Window
- Fixed Windows
Customization Process
Provide Design Details:
- Submit technical drawings or specify frame dimensions (width/height/depth).
- Indicate operational type (e.g., sliding, casement).
Surface Treatment Options:
- Anodizing (silver, bronze, black)
- Powder Coating (RAL/color-matching)
- Wood Grain Transfer
- PVDF Fluorocarbon Coating
Glass Integration:
- Double/triple glazing, tempered, Low-E, laminated, or decorative glass.


Our Factory
Our factory is equipped with 40 extrusion production lines to efficiently manufacture aluminum profile. We have one anodizing and electrophoresis line, along with two vertical spraying machines and two horizontal spraying machines for surface treatment. Additionally, we operate two sandblasting machines and six wood grain transfer printing lines, enabling us to provide various aesthetic finishes. To support our production, we also have furnaces for casting aluminum bars, aging furnaces, annealing furnaces, water cooling treatment equipment, and machining equipment, ensuring comprehensive capabilities for high-quality output.







