Aluminum Windows
Your Professional Aluminum Windows Supplier
We are committed to creating better living and commercial spaces through innovative aluminum window and door systems.
With over 19 years of experience, SGL integrates R&D, design, manufacturing, and installation, providing high-end, customized solutions to partners worldwide.
SGL supplies custom aluminum windows for builders, importers, contractors, distributors and project buyers who need reliable window systems from a China factory. Our aluminum window range includes casement windows, sliding windows, tilt and turn windows, thermal break aluminum windows, commercial storefront windows and high-rise window solutions.
Whether you are sourcing standard aluminum windows for residential projects or custom aluminium windows for commercial buildings, our team can support drawings, sizes, glass options, frame colors, hardware choices and project-based configurations.
Quick Buyer Summary| What You Can Source | Options Available |
|---|---|
| Window types | Casement, sliding, tilt and turn, fixed, storefront, high-rise and thermal break systems |
| Customization | Size, profile, color, glass, hardware, opening style and packaging |
| Project use | Residential buildings, villas, apartments, hotels, offices, commercial spaces and high-rise projects |
| Buyer support | Drawing review, quote support, product selection, export packaging and project communication |
Why Choose SGL as Your Aluminum Window Supplier?
Quality Assurance
Our production process incorporates rigorous quality control. From raw material inspection to in-process testing and finished product inspection, all products undergo three stages—initial inspection, sampling inspection, and final inspection—to ensure the highest quality.
Markets
Our products have been shipped to major markets including the United States, the Philippines, Russia, Saudi Arabia, Kenya, and Uzbekistan, covering regions across North America, Southeast Asia, Central Asia, the Middle East, Europe, and Africa.
Customization Solutions
As a direct manufacturer, we offer highly competitive prices and flexible customization options to meet diverse project needs.
Choosing an aluminum window supplier is not only about finding a product that looks good. For B2B buyers, the more important questions are: Can the factory follow the drawings? Can the window system match the project climate and building type? Can the supplier support custom sizes, glass options, packaging and export communication?
SGL focuses on custom aluminum window systems for international buyers. Our product range covers residential and commercial applications, including energy-saving windows, thermal break aluminum windows, aluminium casement windows, sliding windows and high-rise window solutions.
What SGL Can Support
- Custom window sizes: Manufacture according to project drawings, opening sizes or buyer specifications.
- Multiple opening styles: Casement, sliding, tilt and turn, fixed and project-specific configurations.
- Glass options: Clear glass, tempered glass, laminated glass, Low-E glass, insulating glass and other project-dependent options.
- Frame and color options: Aluminum profiles with customizable surface colors and finishes based on project requirements.
- Commercial project support: Window systems for apartments, hotels, offices, villas, commercial buildings and high-rise applications.
- Export communication: Support for quotation, packaging, product details and order coordination for overseas buyers
Aluminum Window Product Types
Use this section to help buyers choose the right product family before they open individual product pages.

Thermal Break Aluminum Windows
Thermal break aluminum windows are designed to reduce heat transfer through the frame. They are commonly used in projects that require better insulation, improved indoor comfort or higher energy-performance expectations. Buyers can choose different glass and frame configurations based on local climate, project budget and building requirements.
Recommended internal link: thermal break aluminium casement windows

Aluminium Casement Windows
Aluminium casement windows are widely used in residential, villa, apartment and commercial projects. They offer strong sealing performance, flexible ventilation and a clean appearance. SGL can support different opening directions, glass options, frame colors and custom sizes.
Recommended internal link: aluminium casement windows

Aluminum Sliding Windows
Aluminum sliding windows are suitable for spaces where easy operation and space-saving design are important. They are commonly used in apartments, hotels, offices and residential buildings. Sliding systems can be customized with different glass, track and frame options.
Recommended internal link: aluminum sliding sash windows

Aluminum Tilt and Turn Windows
Tilt and turn aluminum windows are suitable for projects that need both ventilation and secure inward opening. They are often selected for residential and apartment buildings where flexible operation, safety and weather resistance matter.
Recommended internal link: European style aluminum tilt and turn window

Commercial Storefront and Aluminum Window Systems
Commercial aluminum window systems are used for retail spaces, offices, public buildings and other commercial projects. These systems can be configured according to project dimensions, glass requirements, structural needs and design intent.
Recommended internal link: commercial aluminum window systems

High-Rise Aluminum Windows
High-rise projects require careful attention to wind load, safety glass, sealing, drainage, installation details and local building requirements. SGL can support project-based aluminum window solutions according to drawings and technical requirements.
Recommended internal link: efficient windows for high-rise buildings
Performance and Specification Considerations
Aluminum window performance depends on the frame profile, glass configuration, sealing design, hardware, installation method and local climate. Instead of choosing only by appearance, B2B buyers should confirm the technical requirements before placing an order.
Key Factors to Confirm Before Quotation
| Factor | What to Confirm | Why It Matters |
|---|---|---|
| Window type | Casement, sliding, fixed, tilt and turn, storefront or high-rise system | Determines structure, operation and application |
| Opening size | Width, height, wall opening and installation method | Affects production accuracy and installation fit |
| Glass option | Tempered, laminated, Low-E, insulating glass or project-specific glass | Affects safety, insulation, sound reduction and cost |
| Frame profile | Aluminum profile system and surface finish | Affects strength, appearance and durability |
| Hardware | Handles, hinges, rollers, locks and accessories | Affects operation, safety and long-term use |
| Climate requirement | Heat, cold, humidity, wind, rain or coastal conditions | Helps select suitable frame, glass and sealing options |
| Packaging | Export packaging, labeling and protection requirements | Reduces transport risk for international orders |
Benefits of Aluminum Windows
Durability
Aluminum windows are far less prone to warping; they are weather-proof, corrosion-resistant and immune to the harmful effects of UV rays, ensuring optimal performance with a long lifespan. Their strong window frames will last longer than wood and vinyl frames.
Energy Efficient
Because aluminum is light, malleable and easy to work with, manufacturers are able to produce window frames that offer high levels of wind, water, and air-tightness, which means exceptional energy efficiency.
Variety of Color Options
Aluminum windows can be powder coated or anodized in thousands of colors. The only limitation in color is your imagination.
Cost efficient
Aluminum windows are far less expensive than wood frames. They do not leak; therefore, they can save a ton of money on energy bills.
Low Maintenance
As opposed to wood, aluminum does not warp or decay. Additionally, paint touchups are not needed. Aluminum is strong enough to bear the load of window lintels with minimal reinforcement. Aluminum windows are virtually maintenance free.
Better Operability
Aluminum is a durable substance and will keep its shape over time. Therefore, aluminum windows and doors will continue to open and slide smoothly over the years.
Noise Proof
Aluminum windows are much better at stopping noise than vinyl windows. Since they are three times heavier and many times stronger than Vinyl. Also, aluminum windows are best when you're opting for the soundless feature due to the fact that they can support heavier glazing than other solutions.
Safety Features
The linkage hardware around the window sash and the handle operating make the window have excellent safety and security. Also, aluminum windows are highly resistant to forced entry and have high-quality multipoint locking mechanisms, which makes it impossible for people to break-in.
Aluminium Windows Standard Sizes
| Window Type | Standard Sizes (mm) |
| Fixed Windows | 600 x 600, 900 x 900, 1,200 x 1,200 |
| Sliding Windows | 900 x 1,200, 1,200 x 1,200, 1,500 x 1,200 |
| Casement Windows | 600 x 900, 900 x 1,200, 1,200 x 1,500 |
| Awning Windows | 600 x 600, 900 x 600, 1,200 x 900 |
| Double-Hung Windows | 900 x 1,200, 1,200 x 1,500 |
| Bay or Bow Windows | 1,800 x 1,200, 2,400 x 1,200 |
Aluminium windows are highly durable, making them a reliable choice for both residential and commercial properties. Here’s why:
Resistance to Corrosion and Weathering: Aluminium naturally resists rust and corrosion, even in humid or coastal environments. Unlike other materials, it does not warp, crack, or swell due to changes in temperature or moisture levels.
Longevity: With proper maintenance, aluminium windows can last up to 45 years or more. Their long lifespan makes them a cost-effective option, as you won’t need frequent replacements.
Strength and Structural Integrity: Aluminium is a strong material, capable of supporting large glass panes without compromising the frame’s stability. This strength ensures that your windows stay secure and functional even after years of use.
Low Maintenance: If you’re someone who values convenience, aluminium windows require minimal upkeep. Simple cleaning with soapy water is enough to keep the frames in excellent condition, saving you time and effort.
Performance in Extreme Conditions: Aluminium windows perform exceptionally well in extreme weather conditions, including high winds, heavy rains, and strong sunlight. Their durability ensures that they maintain their structural integrity and visual appeal over time.
Sustainability: Aluminium is 100% recyclable, which means your windows can be repurposed without losing their quality. This not only makes them environmentally friendly but also highlights their ability to maintain performance over multiple life cycles.

Notes
Aluminum windows are available in various finishes, including anodized and powder-coated options, to match different architectural styles and color schemes.
The strength and rigidity of aluminum allow for narrow frame profiles, which increase the glass area and provide better views and more natural light.
Proper installation and sealing are essential to prevent air and water infiltration and ensure the longevity and performance of aluminum windows.
Aluminum windows can be equipped with various types of glass, including tinted, tempered, and low-emissivity (Low-E) glass, to meet specific needs for energy efficiency, privacy, and safety.
Our Certificate



Quality Control, Certificates and Export Support
For international buyers, consistent communication and order control are as important as product selection. Before production, SGL can review drawings, confirm specifications and discuss packaging requirements. During quotation, buyers can confirm window type, size, glass, frame color, hardware, quantity and delivery needs.
Buyer Support Process
- Send drawings or product requirements.
- Confirm window type, size, glass and frame options.
- Review quotation and technical details.
- Confirm order details, packaging and production requirements.
- Arrange shipment and export documentation according to order needs.
FAQ
Q: 1. Are you an aluminum windows manufacturer or a trading company?
A: SGL positions this page for buyers looking for an aluminum windows manufacturer and supplier. For final publication, the company profile, factory details and certification claims should be verified against official company documents before adding specific numbers.
Q: 2. Can you make custom aluminum windows according to our drawings?
A: Yes. Buyers can send drawings, window schedules, opening sizes or project specifications for quotation. Custom size, glass, frame color, opening style and hardware options can be discussed based on project requirements.
Q: 3. What types of aluminum windows can we source from SGL?
A: Common options include aluminum casement windows, sliding windows, tilt and turn windows, thermal break aluminum windows, fixed windows, storefront window systems and high-rise aluminum window solutions.
Q: 4. Do you supply thermal break aluminum windows?
A: Yes, thermal break aluminum windows are included in the recommended product range. The final configuration depends on the selected profile system, glass option, project climate and performance requirements.
Q: 5. What information do you need for a quote?
A: For a faster quote, send the window type, size, quantity, glass requirement, frame color, hardware preference, project location and drawings if available. If you are unsure, send photos or a window schedule for review.
Q: 6. Can you support commercial or high-rise projects?
A: Yes. Aluminum window systems can be discussed for commercial buildings, apartments, hotels, offices and high-rise projects. Wind load, safety glass, installation method and local building requirements should be confirmed during the technical review.
Q: 7. Do you provide standard sizes or only custom sizes?
A: SGL can discuss both standard and custom aluminium windows. For B2B projects, custom sizes are often required because openings, glass specifications and installation conditions vary by project.
Q: 8. Can we choose glass, color and hardware?
A: Yes. Glass type, frame color, surface finish and hardware can be discussed based on the window system and order requirements. Some options may depend on quantity, profile selection and project specifications.

Need Custom Aluminum Windows for Your Project?
Send SGL your drawings, window schedule or project requirements. Our team can help review the window type, size, glass option, frame color, hardware and quotation details.
















