What is a Casement Window? A casement window is a classic and widely used type of window that offers several advantages and some limitations. One of its main benefits is the large opening area, which allows for excellent ventilation and airflow. It also provides good sealing, sound insulation, thermal efficiency, and resistance to water infiltration. When opened from the inside, it doesn’t take up any interior space, while when opened outward, it doesn’t interfere with the room’s layout. However, there are some drawbacks: the window’s width is typically limited, which can restrict the view. The outer-opening design may be vulnerable to damage from strong winds, and the inner-opening version can occupy some indoor space. Additionally, it can be challenging to install screens or curtains when the window is open. Poor quality can also lead to issues like water leakage during heavy rain. The following sections will provide a more detailed overview of what a casement window is and how it compares to other types of windows.

What is a Casement Window
Casement windows offer superior performance compared to sliding windows, but sliding windows are often easier to manufacture and operate. Because of this, casement windows are commonly found in mid-to-high-end buildings such as residential homes, offices, and luxury villas, while sliding windows are more popular in industrial or budget-friendly settings. Aluminum alloy doors and windows come in various opening styles, with sliding and side-opening (casement) windows being the most common. A casement window has hinges on the side, allowing it to open inward or outward, whereas sliding windows move horizontally along tracks. Both types have their own strengths, and this article will explore their differences in appearance, performance, cost, and functionality.

Casement Window Features
Ventilation
Casement windows allow for natural air circulation through an inverted opening mechanism, ensuring fresh indoor air without letting rain in. This creates a more comfortable living environment by maintaining good airflow and reducing indoor humidity.
Safety
The hardware and handle mechanisms around the window sash are designed to lock securely when closed, offering strong security and anti-theft protection. This makes them a preferred choice for homes that prioritize safety.
Easy to Clean
Casement windows can be opened fully to allow easy access to the exterior glass, making it simple and safe to clean the outside of the window without needing to go outside.
Practicality
Unlike some other window types, casement windows don’t require extra space when opened from the inside, and they make it easier to hang curtains and manage window coverings.
Good Sealing and Insulation
With multi-point locking systems, casement windows ensure excellent sealing, keeping out noise, cold, and heat, making them ideal for energy-efficient homes.

Casement Window Price
1. Heat-insulating aluminum casement window with broken bridge
2-49: 650.00 yuan / square meter
50-99: 620.00 yuan / square meter
≥100: 580.00 yuan
2. Aluminum alloy casement window – 370.00 yuan
Product description: 1. Frame material: Electrophoretic spray aluminum (brand names include National Inspection-Free Aluminum, Wide Aluminum, Xinhe Aluminum). 2. Frame color: White, black, gray, green, champagne, black lake, peach wood, etc. 3. Frame thickness: 0.8–2.0mm 4. Glass color: White, brown, green, etc. 5. Glass thickness: 4–6mm; hollow tempered glass options: 5+6+5, 5+9+5, 5+27+5 (customizable based on customer needs).
3. Broken bridge aluminum casement window price: 280 yuan / ㎡
4. Fenglu 50 type casement window
1. This window offers 100% ventilation like traditional side-open windows and combines modern aesthetics with practical design. The outer frame uses a 90° tenon joint, and the opening fan structure features a 45° angle extrusion and riveting. It opens smoothly and is easy to clean. It can accommodate insulating glass with a maximum thickness of 24mm (6 + 12 + 6). The sliding support is made of stainless steel, ensuring smooth and rust-free movement. Rubber sealing strips are used for easy replacement. This window offers high water tightness, air tightness, wind pressure resistance, durability, and ease of installation and maintenance.
2. Accessories are readily available in the market, and you can use conventional handles or two-point locks, saving on materials.
3. A full range of profiles is available to meet different window types and sizes.
4. This window can also function as an inward or outward swing door when using a hinge.
Feng aluminum: profile thickness (1.4mm), glass thickness (5mm), price 325 yuan. Weichang: profile thickness (1.4mm), glass thickness (5mm), price 415 yuan. Henry: profile thickness (1.4mm), glass thickness (5mm), price 415 yuan. Jianmei: profile thickness (1.4mm), glass thickness (5mm), price 415 yuan.
Editor's summary: The above information explains what a casement window is and covers its pricing details. We hope this helps you understand more about this window type. It's important to gather this knowledge before starting your home renovation! For more updates, continue visiting our website.
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