What types of windows and doors does Vexis manufacture?

We manufacture thermal break aluminum casement, sliding, folding, tilt and turn, awning and skylight windows, plus casement, sliding, bifold, swing and entry doors, heavy-duty sliding doors, ultra-slim frame doors, soundproof and waterproof system windows and aluminum sunrooms with related accessories.

Can you customize sizes, colors and glass configurations?

Yes. Every order is made to size. Buyers can choose frame colors and finishes, glass type and thickness, grille patterns, hardware and opening configurations to match their architectural drawings.

How do you adapt products to local building standards and climates?

Our technical team continuously upgrades profile structure, sealing, sound insulation and thermal insulation so each system can be matched to the local climate, architectural style and installation practice of the destination market. Certificates and test documents are available on request for project submissions.

Which markets does Vexis export to?

We have supplied buyers in more than 154 countries and regions, with completed projects in markets such as Canada, the United States, the Philippines and Australia.

What information should I prepare for a project inquiry?

Share your drawings or opening sizes, quantities, product types, preferred glass and color, performance targets and the destination port. The more detail you provide, the faster our engineers can recommend the right system.

Can I visit the factory before placing an order?

Yes. Buyers are welcome to visit our 30,000 m² production base and 1,500 m² immersive exhibition hall in Lishui Town, Foshan, Guangdong, China.

Custom OEM Aluminum Corner Windows Manufacturer & Suppliers

Product Catalog

Featured OEM Aluminum Corner & Architectural Window Systems

Direct from Foshan Smart Manufacturing Base: High-performance structural corner glazing, soundproof thermal break profiles, and custom facade solutions tested for global building codes.

Exterior Sound Proof Modern French Style Black Aluminum Frame Casement Windows with Heat Insulation and Tempered Double Glass

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Minimalist Style Corner Bay Window, Thermal Break Aluminum Corner Window with Large Glazing

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Round Corner Aluminum Window Profile | Fast Response | Safety Design for Kindergarten and School Construction

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6000 Series Extruded Aluminium L Shape Profile Aluminium Angle Corner Profile

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BOCHARM Luxury Bathroom Corner Fixed Window Panoramic Sea View Double Glazed Soundproof Aluminum Picture Window for Villa

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Custom Hurricane Impact Single Black Corner Casement Windows With Metal Screen, Triangle Side Open Burglarproof Casement Window

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Thermal Break Aluminum Alloy Corner Window No Mullion Ultra Slim Triple Glazed Glass Soundproof Panoramic View European Modern

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Custom Size & Color Aluminium Fixed Window | Large Corner Panel for Modern Villa

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Architectural Engineering Whitepaper

Structural Dynamics & Thermal Insulation Physics of Modern Corner Windows

An in-depth analysis of structural integrity, thermal break bridge technology, glass-to-glass structural joint engineering, and aerodynamic wind load resistance for high-end B2B construction projects.

Zero-Mullion Glass-to-Glass Structural Corner Joints

Contemporary architectural design increasingly demands uninterrupted sightlines. Eliminating vertical corner posts requires high-modulus, UV-resistant structural silicone sealants combined with stepped double or triple insulated glass units (IGUs). The outer glass pane overlaps to create a weather-tight 90° glass-to-glass seal that withstands differential thermal expansion, negative wind pressure suction, and severe water infiltration.

PA66 GF25 Polyamide Thermal Break Technology

Aluminum possesses high thermal conductivity (approx. 160 W/m·K). To achieve Passive House and NZEB standards, Vexis corner window extrusions utilize 24mm to 34mm reinforced Polyamide (PA66 GF25) thermal insulation bars. These barriers isolate the exterior profile from the interior profile, dropping the overall window U-value ($U_w$) down to 1.1–1.4 W/m²K when combined with Low-E Argon-filled glass.

Technical Insight: FEA Load Distribution in Cantilevered Corner Glazing

Corner window openings remove crucial structural wall mass at building intersections. Consequently, live and dead loads from superior floor slabs must be transferred away from the window frame via cantilevered reinforced concrete beams or concealed steel lintels. Vexis engineering specialists collaborate with project architects during shop drawing reviews, conducting Finite Element Analysis (FEA) to verify deflections stay under L/175 under maximum gust load pressure according to ASTM E1300 and EN 12210 standards.

Strategic B2B Market Insights

Future Procurement Trends in Global Corner Window Systems

Market intelligence for commercial real estate developers, window importers, general contractors, and facade consultants preparing for upcoming building regulations.

Trend 01

Ultra-Narrow Sightlines & Flush Framing

Importers are shifting rapidly from heavy traditional frames to ultra-slim profiles with visible frame widths under 35mm. Concealed sash designs where the operable sash hides flush within the outer frame are becoming the standard for modern luxury villas and high-end residential towers.

Trend 02

Integrated Dynamic Solar & Smart Glass

Corner windows capture bi-directional sunlight, significantly increasing solar heat gain coefficient (SHGC) challenges. Procurement forecasts show a 34% annual growth in demand for integrated motorization, electrochromic smart glass, and automated motorized sunshades embedded into triple-glazed units.

Trend 03

Severe Weather & Hurricane Impact Compliance

With extreme climate events escalating, North American, Australian, and coastal Asian markets require hurricane impact-rated corner windows. Sourcing now prioritizes 6063-T6 heavy-duty extrusions equipped with PVB/SGP laminated safety glass certified under Florida Building Code (FBC) and AS2047 tests.

Trend 04

Modular Prefabricated Corner Assemblies

To reduce high jobsite labor costs overseas, global contractors favor factory pre-assembled corner units. Custom OEM suppliers providing pre-gasketed, pre-glazed corner modules with factory-tested water barriers are gaining a decisive competitive advantage in B2B supply chains.

Trend 05

Acoustic Decoupling in Urban Infill

Urban residential developments near highways or airports demand corner windows with STC ratings over 42 dB. Utilizing asymmetrical glass thicknesses (e.g., 8mm outer + 12mm gas gap + 6mm inner) combined with multi-layer EPDM acoustic weatherstripping effectively neutralizes low-frequency traffic noise.

Factory Excellence & Capabilities

Why Source Custom OEM Corner Windows from Vexis?

Vexis Windows & Doors Co., Ltd. combines 20+ years of industrial R&D with a 30,000 m² smart production ecosystem in Foshan, Guangdong—the aluminum capital of China.

Precision CNC & Anodizing Lines

Our automated 5-axis German CNC machining centers execute zero-tolerance miter cuts, corner key crimping, and lock slot punching. Surface treatments include AkzoNobel powder coating, fluorocarbon PVDF spraying, and anodizing tested to AAMA 2605 requirements.

Strict Quality Assurance & Testing

Every production lot undergoes rigorous physical testing: air permeability (ASTM E283), water penetration under dynamic pressure (ASTM E331), structural wind load resistance (ASTM E330), and hardware cycle endurance exceeding 100,000 opening operations.

Turnkey OEM/ODM Overseas Export Service

Having supplied landmark projects in over 154 countries including Canada, the USA, Australia, and the Philippines, Vexis provides CAD CAD shop drawings, custom plywood crating with air-cushion packaging, and dedicated international freight management.

Sourcing Guide & Technical FAQ

Frequently Asked Questions by Importers & Engineers

Clear, direct answers regarding engineering tolerances, glass structural bonding, condensation prevention, shipping protection, and customization options.

1. How do zero-mullion glass-to-glass corner windows prevent water leakage and structural failure over time?

Zero-mullion glass-to-glass corner windows utilize a structural silicone joint specifically engineered to handle dynamic shear stresses and environmental exposure. The outer glass pane extends beyond the inner pane to create a stepped corner, filled with high-modulus, UV-stable structural silicone sealant (such as Dow Corning 983 or 795). Additionally, secondary inner seals and concealed sub-frame drainage channels divert any potential condensation outward, ensuring zero water ingress under severe storm conditions.

2. Can Vexis manufacture custom corner windows according to exact architectural drawings and local building codes?

Yes. Vexis specializes in 100% custom OEM/ODM manufacturing. Importers and contractors simply provide architectural elevations, floor plans, or rough opening dimensions. Our in-house engineering team generates detailed CAD shop drawings, specifying profile extrusion wall thickness (1.6mm to 3.0mm), glass makeup, hardware brands (German Siegenia, Hoppe, or premium Chinese systems), and thermal break specs tailored to pass local building energy compliance (e.g., NFRC, Title 24, AS1288, or CE markers).

3. What measures are taken to prevent thermal bridging and interior condensation around aluminum corner frames?

Corner joints are traditionally vulnerable points for condensation because cold external temperatures attack from two directions simultaneously. Vexis eliminates thermal bridging by implementing continuous multi-chamber Polyamide thermal break strips (PA66 GF25) within both the frame and sash profiles. Coupled with Warm Edge insulating glass spacers (such as Technoform or Swisspacer) and Argon gas fill, frame surface temperatures remain safely above the dew point, preventing interior condensation even during sub-zero exterior temperatures.

4. How are large panoramic corner window units packaged to prevent breakage during long-distance ocean freight?

Exporting fragile, heavy-glazing corner systems requires specialized packaging protocols. Vexis packs corner frames and glass panels into fully enclosed, fumigated solid wooden crates lined with high-density EPE foam and corner guards. Large glass units are secured with steel framing racks inside the crate to resist shipping container vibrations and rough ocean transit, ensuring 100% safe arrival at destination ports worldwide.

5. What profile finishes and powder coating warranties does Vexis offer for coastal environments?

For coastal projects subjected to salt spray and high humidity, Vexis offers architectural-grade anodizing (Class 1, 25 microns) and PVDF (fluorocarbon) liquid coating compliant with AAMA 2605 specifications. We offer standard RAL color matching, matte finishes, wood-grain heat transfer sublimation, and textured powder coatings backed by 15-to-25-year anti-corrosion and anti-fading factory warranties.

6. What is the typical lead time from shop drawing approval to factory dispatch for OEM orders?

Standard OEM production lead time is typically 25 to 35 days following CAD shop drawing sign-off and deposit receipt. For complex custom extrusion die creation, add 10 to 15 days for tooling design and sample extrusion testing. Express production slots are available for urgent commercial construction deadlines.

Start Your Project

Request a Custom Engineering Quote & CAD Shop Drawings

Partner with China's leading system window manufacturer. Send us your project floor plans, opening schedules, or engineering specifications. Our facade technical team responds within 24 hours with complete structural calculations and factory-direct pricing.

Direct Wholesale Factory Pricing (No Middlemen Markup)

Complimentary CAD Elevation & Section Detail Reviews

Compliance Certification Documents (CE, AS2047, NFRC, ASTM)

Vexis Windows & Doors Co., Ltd.

Global Engineering & Export Headquarters

Manufacturing Base: 20D Wenjiao Road, Lishui Town, Foshan City, Guangdong, China

Technical Support: [email protected]

Export Portfolio: 154+ Countries | 30,000 m² Facility

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