Aluminium Casement Door

A casement door is hinged on one side and swings outward, providing maximum ventilation and an unobstructed view. It opens and closes easily with a crank or Easy-Slide Operator, offering effortless functionality. This sleek, slim-profile design ensures a tight weatherproof seal, making it a perfect choice for contemporary living while combining durability and high performance with stylish aesthetics.

Casement Door Manufacturer

Modern villa with large aluminium casement door and scenic pool view.

Casement doors are designed for smooth and easy operation, hinged on one side to open outward. Unlike sliding doors, which require horizontal space, casement doors can open fully, providing maximum ventilation and a wide, unobstructed view. This makes them ideal for areas where space is not a constraint.

The slim, modern design of casement doors allows for plenty of natural light, enhancing the overall aesthetic of any room. Their durable construction ensures excellent resistance to the elements, minimizing maintenance needs and maximizing their lifespan. Casement doors not only add a touch of elegance but also offer a highly functional solution for both residential and commercial spaces.

While they offer superior sealing and energy efficiency compared to sliding doors, casement doors can sometimes take up more space when opened. However, their ability to create a tighter seal results in better thermal performance, especially in extreme weather conditions, ensuring comfort and energy savings.

PA Home Aluminium Sliding Window

1.Safety & High Performance: The casement door is designed with a built-in limit opening width to improve security, especially in high-rise buildings and family environments. The multi-layer glass (5mm + 27A + 5mm) with a 12mm spacer offers exceptional heat and sound insulation, while the ultra-wide thermal break in the aluminium frame ensures outstanding energy efficiency.
2.Premium Hardware: Featuring top-tier HAOPU hardware, this casement door guarantees smooth, reliable, and long-lasting operation, providing an enhanced user experience and exceptional durability.
3.In-house Manufacturing & Customization: Produced in our own factories, these casement doors can be fully customized in terms of size, color, lattice patterns, and glass options to match your specific design needs while maintaining high-quality standards.
4.Certified Quality: All of our casement doors are certified according to international standards, including ISO certification, ensuring that they meet stringent quality benchmarks.
5.Design Versatility: Available in various styles, such as triple casement doors and French casement doors, these doors offer flexible design options, allowing you to tailor them to your space with a wide selection of sizes, colors, and glass choices.

Aluminium casement door in a villa with mountain view.

🪟 Aluminium Casement Door Core Product

C-M95 Casement Door

Aluminium casement door framing a scenic village view.
Living room with aluminium casement door offering a beautiful balcony and village view.

Product Performance

water tightness

600pa

Water Tightness performance

air tightness

1.8 m³/(h·㎡)

AirTightness performance

sound insulation

40dB

Sound Insulation performance

thermal insulating

1.8 W/(m²·K)

Termal Insulating Porperty

wind pressure resistance

4.8k pa

Wind Pressure Resistance performance

Component / Feature Current Specification Detailed Context / Notes
Frame Material 6060-T5 Virgin Aluminium Frame thickness is 2.0mm
Thermal Break & Sealing System Polyamide Thermal Break & Integrated Foldable Gasket Ultra-wide thermal break for enhanced insulation and energy efficiency. One-piece foldable gasket design for superior sealing.
Operating Method Casement Door Hinged design allows the door to open outward, providing maximum ventilation and unobstructed views.
Hardware Accessories HAOPU Handle, HAOPU Combination Lock, HAOPU Locking Seat Hardware includes top-tier HAOPU handle, combined lock, and locking seat for smooth and secure operation.
Product Appearance 40mm Visible Frame Width The window features a 40mm visible frame width. The hardware is hidden from the front, except for the handle, providing a sleek and modern aesthetic.
Options Optional Outward/Inward Opening, Screen Mesh, Low Track/Method Multiple options available: outward or inward opening, optional screen mesh, and choice of low track or different methods of operation.
Additional Features Multiple Security and Weather Resistance Features The window features an automatic locking system and is resistant to high winds, heavy rain, and extreme temperatures. It also includes a tightly sealed structure for enhanced energy efficiency and environmental stability.
Specification / Detail
Profile Thickness 6060-T5 Virgin Aluminium, Main Profile Thickness 2.0mm
Box Width 95mm
Opening Fan Width 400mm – 1200mm (Single Fan Area Not Exceeding 2.5m²)
Opening Fan Height 1600mm – 3000mm
Glass Configuration 5mm + 27A + 5mm
aluminium frame color option
aluminium window frame upgrade option

G-M70 Casement Door

Aluminium casement door leading to the villa garden.
mm 80 casement door section 1

Product Performance

water tightness

600pa

Water Tightness performance

air tightness

1.8 m³/(h·㎡)

AirTightness performance

sound insulation

40dB

Sound Insulation performance

thermal insulating

1.8 W/(m²·K)

Termal Insulating Porperty

wind pressure resistance

4.8k pa

Wind Pressure Resistance performance

Component / Feature Current Specification Detailed Context / Notes
Frame Material 6060-T5 Virgin Aluminium Frame thickness is 2.0mm
Thermal Break & Sealing System Polyamide Thermal Break & Integrated Foldable Gasket Ultra-wide thermal break for enhanced insulation and energy efficiency. One-piece foldable gasket design for superior sealing.
Operating Method Casement Door Hinged design allows the door to open outward or inward, providing excellent ventilation and unobstructed views.
Hardware Accessories HAOPU Handle, HAOPU Combination Lock, HAOPU Locking Seat, Optional Schmeck Hardware includes top-tier HAOPU handle, combined lock, and locking seat, with an optional Schmeck feature for added functionality.
Product Appearance Common Casement Door Frame Standard outward opening with slim frame design. Optional inward opening, screen mesh, and low track methods available.
Options Optional Screen Mesh, Optional Low Track/Method Multiple options available: optional screen mesh and choice of low track or different methods of operation.
Additional Features Multiple Security and Weather Resistance Features The window features an automatic locking system and is resistant to high winds, heavy rain, and extreme temperatures. It also includes a tightly sealed structure for enhanced energy efficiency and environmental stability.
Specification / Detail
Profile Thickness 6060-T5 Virgin Aluminium, Main Profile Thickness 2.0mm
Box Width 70mm
Opening Fan Width  1000mm (Single Fan Area Not Exceeding 2.5m²)
Opening Fan Height 2500mm
Glass Configuration 5mm + 27A + 5mm
aluminium frame color option
aluminium window frame upgrade option

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FAQ About Casement Door

Are casement doors energy-efficient?

Yes, casement doors are highly energy-efficient. When closed, their sash compresses tightly against the frame, creating a compression seal that is more airtight than sliding doors. This tight seal reduces energy loss, making casement doors an excellent choice for maintaining indoor temperature and minimizing utility costs.

The main difference is in the design and functionality. A casement door opens outward via a hinge and can be operated with a crank or handle. A French door, on the other hand, typically features two side-by-side panels that open inward or outward, offering a more traditional look. Both provide great views and ventilation, but casement doors are often more energy-efficient due to their tighter seal.

No, casement doors are relatively low-maintenance. The aluminium frame resists corrosion, and with proper care, they can last for many years. Routine cleaning of the glass and hardware is usually all that’s needed to keep them in top condition.

One of the main drawbacks of aluminium sliding windows is their potential for less airtightness compared to other window types, such as casement windows. This can sometimes lead to reduced thermal performance, especially in extreme weather. However, advanced weather seals can help mitigate this issue.

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