Classification and Usage Explanation of Doors and Windows
Release date:
2025-09-01
1. Aluminum alloy windows are currently the most widely used material for doors and windows, offering several clear advantages: they are lightweight yet strong, resistant to deformation, provide a sleek metallic finish, and are easy to work with. They can be finished using either spray coating or electrophoretic treatment, allowing for a wide range of colors that perfectly complement both architectural designs and interior spaces—making them the top choice for building door and window materials.
I. By Material: Aluminum alloy windows, wooden windows, aluminum-wood windows, thermal-break insulated windows, steel windows, PVC-steel windows, color-coated steel windows, and PVC plastic windows
1. Aluminum alloy windows are currently the most widely used material for doors and windows, offering several clear advantages: they are lightweight yet strong, resistant to deformation, provide a sleek metallic finish, and are easy to work with. They can be finished using either spray coating or electrophoretic treatment, allowing for a wide range of colors that perfectly complement both architectural designs and interior spaces—making them the top choice for building门窗 materials.
2. Wooden windows: These were among the earliest window materials used by humans, prized for their natural beauty, harmonious aesthetic, warmth, and sturdiness. However, they require high-quality wood and superior craftsmanship to achieve their full potential, which is why they tend to be more expensive—often reserved for upscale spaces like villas. On the other hand, low-quality wooden windows are prone to warping and distortion, rendering them impractical and ultimately undesirable for any purpose.
3. Aluminum-Wood Windows: Combining aluminum alloy with wood, these windows leverage the best qualities of both materials. Typically, the wooden frame is placed on the inside, offering a natural, warm, and elegant aesthetic, while the aluminum exterior provides superior water resistance. The windows can be custom-painted in colors that perfectly complement the architecture. However, aluminum-wood windows require high-quality wood and involve intricate manufacturing processes, making them relatively expensive. If they don’t meet strict quality standards, over time they may develop minor cracks or, in more severe cases, even significant warping—both of which can ultimately compromise their functionality and performance.
4. Thermal Break Aluminum Windows: An upgraded version of aluminum windows, these work by using a Pa66 thermal break—a nylon strip—to separate the aluminum window profiles. This reduces the thermal conductivity of the aluminum frame, significantly improving the window’s insulation properties and leading to energy-saving benefits.
5. Steel windows: A product of the Industrial Revolution, these were commonly used in older residential buildings in China before the 1980s. They’re prone to rust, inexpensive, and not very airtight—but have largely been phased out today.
6. PVC-Steel Windows: As the name suggests, these windows are made by combining plastic and steel into a window profile. The plastic (PVC) profile is reinforced with steel on the inside, providing both excellent insulation and enhanced structural strength—at a relatively low cost. However, a downside is that they can easily become brittle and discolored over time. Additionally, some unscrupulous manufacturers may cut corners by using thinner or lower-quality steel reinforcement—or even omitting the steel altogether—making it difficult to detect these substandard practices during inspections.
7. Color-steel windows: Made from profiles rolled from colored steel sheets, these can be seen as an upgraded version of traditional steel windows—but they’ve largely disappeared from the market now.
8. PVC plastic windows: These are higher-strength plastic windows that don’t require steel reinforcement—making them a new-generation window material.
II. By Purpose: Balcony windows, wall windows, roof windows, floor-to-ceiling windows, and screen windows
1. Frameless balcony windows—commonly referred to as frameless windows—feature a design where the window sashes have no vertical frames, allowing all sashes to slide open effortlessly. This innovative design maximizes ventilation and natural light, creating a spacious, airy, and inviting atmosphere on the balcony while still effectively shielding against wind and rain. It’s the perfect choice for balconies that serve both as scenic retreats and functional outdoor spaces.
Frameless balcony windows are categorized into flat windows, corner windows, and sliding windows. Flat windows are ideal for straight balconies, while corner windows work best for curved balconies. Flat windows use vertical rollers, whereas corner windows rely on flat rollers. Vertical rollers offer smoother sliding compared to flat rollers—so unless a curved design is essential, it’s recommended to opt for frameless windows with vertical roller mechanisms. Sliding windows, on the other hand, are often used for lower-level balcony applications.
2. Stylish Frame Balcony Windows: Also known as multi-track sliding windows, these feature a design that strikes a balance between frameless and traditional wall-mounted windows. With their sleek, slim frames, they create a sense of open, airy space while maintaining clear visibility. Available in 3- and 4-track models, they offer opening areas of 66% and 75%, respectively. These windows maximize ventilation and natural light for your balcony while ensuring superior waterproofing and sealing—making them an ideal choice for functional work balconies (north-facing balconies) in residential settings.
3. Wall Windows: Also known as architectural doors and windows, these are installed simultaneously during the building construction process and form an integral part of the building’s wall structure. They demand high standards for waterproofing and sealing, making them widely used in interior walls of bedrooms, living areas, kitchens, bathrooms, and other spaces. In recent years, with increasing emphasis on energy efficiency, more and more customers are opting for insulated glass units and thermally broken windows to enhance thermal performance.
4. Roof windows: Known as "tiger windows" in Shanghai, these skylights in sloped roofs are designed for natural lighting and ventilation. Since they’re installed on the roof itself, they demand enhanced sealing measures—making professional sealing techniques essential.
5. Floor-to-ceiling windows: Large-scale wall windows or sunroom enclosure windows, which may be composed of various window types. They typically demand higher strength and wind-pressure resistance for the combined window structure, enhancing the building’s facade design with dynamic visual appeal.
6. Mosquito screen: Used to prevent mosquitoes.
3. By opening method: sliding windows, casement windows, inward-opening and tilt windows, folding windows, lift-and-slide windows, and fixed windows
1. Sliding Windows: Sliding windows are the most common and widely used window type, offering advantages like easy operation, durability, and a moderate price. However, their sealing performance isn’t as good as that of casement windows. When choosing, focus primarily on how smoothly the window slides and its overall sealing quality.
2. Casement Windows: Their advantages include excellent sealing performance, but their disadvantages are that inward-opening models take up interior space, while outward-opening ones come with limitations (national regulations prohibit their use on buildings taller than six stories). Additionally, both the window sashes and accompanying hardware tend to be more expensive, and the sashes themselves can’t be made very large.
3. Inward-swinging and inward-tilting windows: These are an upgraded version of standard inward-swinging (inward-opening) windows. By adjusting the hinge position, they can be opened either inward or tilted inward (inverted). This type of hinge and hardware was first invented by Germans.
4. Folding windows: Hinges are installed between the vertical mullions of two adjacent window sashes, allowing the sashes to open in tandem. This design makes folding windows easy to operate, provides a large opening area, but results in a complex structure and higher costs.
5. Pull-up windows: Ideal for narrower openings that need to be opened but cannot swing inward or outward—commonly used in bathroom windows, resembling the style of older train windows.
6. Fixed windows: These cannot be moved or opened and are typically combined with other window types as needed, or used in the lower fixed section of a window.
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Contact Information
Contact Address: No. 7, Industrial Avenue East, Songxia Industrial Park, Shishan Town, Nanhai District, Foshan City
Warren Doors and Windows, south of Fangshan Road and west of Dongtai Road, Dongcheng Subdistrict, Linqu County, Weifang City, Shandong Province
Become A Deaters :Info@wolunmc.com
National customer service hotline:+86 400-676-9888
WhatsApp:+86-18866798677
Beijing customer service phone number:+86 010-68319888
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