Engineered Architectural Door & Window Portfolio
Explore our factory-direct collection of high-performance aluminium casement, sliding, and steel-look French system solutions designed for commercial and luxury residential projects.
HUACAI Waterproof Anti-theft Aluminium Casement Window with Built-in Magnetic Blinds
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Aluminum Alloy Casement Entry Home Storefront Commercial Double-Glass Swing French Casement Door Office Glass Door
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AS2047 Standard Australia Clad Windows Low-E Glass Double Glazed Aluminium Awning Windows Kitchen Study Room Hand Crank Window
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Aumegi Double Glazing Aluminum Glass Sliding Window Green Color Sliding Windows
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Modern Interior Concealed Pocket Slide Doors Large Double Tempered Aluminum Hidden Glass Security Stacking Sliding Patio Garage
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Contemporary Aluminum Sliding Window Two Track Smooth Slide Soundproof for Study Home Office
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Modern Waterproof Aluminum Folding Glass Door Space Saving Soundproof For House Patio Use
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Foshan Manufacturing Base
154+
Global Export Countries
20+
Years Engineering Expertise
EN 14351-1
CE Standard Compliance
Architectural Engineering Whitepaper: CE Certified Aluminium Crittall Style French Doors
The architectural fenestration market is undergoing a seismic paradigm shift. Traditional legacy steel Crittall doors—while visually iconic due to their ultra-narrow sightlines and industrial aesthetic—present significant operational, thermal, and budgetary challenges for contemporary commercial and high-end residential developments. Original rolled steel systems are heavy, prone to corrosion in coastal environments, and possess high structural thermal conductivity ($k \approx 50 \text{ W/m}\cdot\text{K}$), making them problematic under modern, stringent energy conservation codes such as the EU Nearly Zero-Energy Buildings (NZEB) directive and UK Building Regulations Part L.
As a leading China OEM/ODM manufacturer headquartered in Foshan, Vexis Windows & Doors Co., Ltd. has re-engineered this classic aesthetic using precision extruded 6063-T6 structural aluminium alloy integrated with advanced polyamide thermal break technology. Our CE Certified Aluminium Crittall Style French Doors offer specifiers, developers, and fenestration importers an optimized solution: authentic, slender industrial grid profiles coupled with superior U-values ($U_g \le 1.1 \text{ W/m}²\cdot\text{K}$), advanced sound dampening ($R_w \ge 42 \text{ dB}$), zero structural corrosion, and full compliance with European Conformity (CE) marking protocols under EN 14351-1:2006+A2:2016.
Structural Comparison & Material Engineering Matrix
The data below highlights why global developers are shifting procurement from traditional rolled steel to engineered thermal-break aluminium systems for steel-look applications.
6063-T6 Extrusion Alloy
High tensile strength ($180 \text{ MPa}$ yield) allowing slim profile sightlines as low as $30\text{mm}$ without sacrificing wind load resistance ($P_3 \ge 4000 \text{ Pa}$).
PA66 GF25 Thermal Break
24mm Polyamide structural insulation reinforced with 25% glass fiber eliminates thermal bridging and prevents internal condensation.
CE & EN 14351-1 Compliance
Rigourously factory tested for air permeability (Class 4), watertightness (Class E900), and multi-point security locking mechanism integrity.
Anatomy of Thermal Break Aluminium Crittall Engineering
Achieving the authentic "Crittall-style" aesthetic while meeting strict global building codes requires meticulous structural engineering. At Vexis Windows, our R&D department utilizes finite element analysis (FEA) to ensure profile rigidity while maintaining narrow visual profiles.
- Glazing Bar & Glazing Bead Integration: Our factory offers both authentic divided lites (T-bar extrusions with structural spacer bars) and precision-milled applied astragal bars. Applied internal/external glazing bars attached via high-performance structural bonding tape allow seamless cleaning while recreating heritage grid aesthetics.
- Weather Sealing & EPDM Gasketry: Unlike traditional steel doors relying on putty or rigid seals, Vexis Crittall-style French doors utilize continuous, multi-cavity EPDM (Ethylene Propylene Diene Monomer) gasket rings around perimeter frame junctions, guaranteeing watertight performance up to 900 Pascals under severe storm conditions.
- Surface Finish & Qualicoat Class 2 Standards: To withstand marine and urban atmospheric pollution, our extrusion profiles receive an architectural-grade electrostatic powder coating. Certified to Qualicoat Class 2, our finishes resist salt spray corrosion for over 3,000 hours of continuous testing.
Global Procurement & Architectural Development Trends (2025–2030)
Key technological innovations and market directions shaping B2B fenestration supply chains worldwide.
Trend 01
Micro-Slim Sightlines with Structural Glass Integration
Architects are demanding increasingly invisible frames. The future of aluminium Crittall French doors lies in structural glass bonding, where double/triple insulated glass units (IGUs) act as load-bearing structural elements, allowing vertical mullions to shrink below 25mm without structural deformation.
Trend 02
Carbon-Neutral Extrusions & Low-Carbon Aluminium
Driven by EU Carbon Border Adjustment Mechanism (CBAM) regulations and North American ESG mandates, global buyers are prioritizing manufacturers utilizing hydro-powered recycled aluminium extrusions (content > 75% recycled scrap), drastically reducing embodied carbon per square meter.
Trend 03
Concealed Smart Hardware & Mechatronic Locking
Commercial entrance projects and high-end residential estates are moving away from surface-mounted locks. Future procurement focuses on concealed 3D-adjustable heavy-duty hinges combined with motor-driven, biometric multi-point locking systems embedded within slender door profiles.
Trend 04
Triple Glazing & Vacuum Insulated Glass (VIG) Systems
As net-zero energy targets approach, standard double glazing is being replaced by ultra-thin Vacuum Insulated Glass (VIG) units. Integrating VIG into slim Crittall profiles allows overall door U-values to drop to $U_w \le 0.8 \text{ W/m}²\cdot\text{K}$ while maintaining a ultra-slim profile depth.
Trend 05
Direct-to-Site Custom Modular Fabrication
To offset escalating overseas labor costs, international procurement managers favor factory-assembled, pre-hung door systems. Fully prefabricated units shipped with factory-fitted glass, pre-adjusted hardware, and knock-down sub-frames significantly streamline site installation timelines.
Why Partner with Vexis Windows & Doors Co., Ltd.?
Direct factory manufacturing capabilities from Foshan, Guangdong—the world's premier aluminium fenestration hub.
01
30,000 m² Advanced Production Base
Our expansive industrial complex in Lishui Town, Foshan is equipped with automated CNC double-head cutting saws, corner-crimping centers, and automated glass assembly lines, ensuring millimeter-precise tolerances across all orders.
02
20+ Years Global Export & Engineering Experience
With over two decades dedicated exclusively to international trade, our technical team understands local building codes, installation practices, and climate requirements across 154+ countries and territories including Canada, the USA, Australia, and the UK.
03
Comprehensive CE & International Certification
Vexis products undergo rigorous third-party testing. We provide complete factory test reports, CE declaration of performance (DoP) documents under EN 14351-1, and AS2047 compliance paperwork required for project tenders and customs clearance.
04
Custom Architectural Engineering & Shop Drawings
Every commercial or residential order is customized to specification. Our in-house engineering studio converts your CAD/BIM architectural drawings into detailed factory fabrication shop drawings, ensuring flawless integration on site.
05
Immersive 1,500 m² Exhibition Hall & Quality Control Protocols
Overseas buyers and procurement managers are welcome to visit our state-of-the-art Foshan showroom. Every order undergoes a 12-point quality control inspection covering paint thickness, corner structural integrity, hardware operation, and seal tightness prior to export packing.
B2B Fenestration Sourcing FAQ
Essential technical and commercial guidance for importers, contractors, and project managers.
What makes Vexis CE Certified Aluminium Crittall Style French Doors superior to traditional steel doors?
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Aluminium Crittall-style doors provide identical visual sightlines to heritage steel doors but eliminate major drawbacks. Aluminium is non-corrosive, significantly lighter (reducing structural hinge stress), and highly cost-effective. Furthermore, our doors feature integrated polyamide 66 thermal breaks and multipoint locks, achieving superior U-values and air tightness that traditional non-thermal steel profiles cannot deliver.
How does Vexis verify CE Compliance for European and UK project submissions?
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Our doors are tested according to EN 14351-1:2006+A2:2016 standards. We issue formal Declaration of Performance (DoP) certificates covering air permeability, watertightness, resistance to wind load, acoustic performance, and thermal transmittance. Test documentation is supplied with shipping paperwork for seamless customs validation and building inspector sign-off.
Can profile sizes, glass types, and grid layout designs be customized?
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Yes. Every door set manufactured at Vexis is built to bespoke dimensions. Buyers can choose custom frame profile colors (RAL powder-coat colors or anodized finishes), glass specifications (double/triple glazing, Low-E, acoustic laminated, or frosted privacy glass), and tailored layout grid designs (applied astragal bars or authentic structural mullions).
What is the lead time for B2B container orders and sample requests?
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Standard fabrication lead time is 25 to 35 days from shop drawing sign-off and deposit receipt. For sample requests or project mock-ups, production takes approximately 15 days. Express engineering tracks are available for urgent commercial developments.
How are fragile glass doors packaged to prevent damage during ocean freight transit?
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We utilize a multi-layer export packing system: 1) Protective anti-scratch film on frame surfaces; 2) Reinforced corner protectors; 3) EPE foam wrapping; and 4) Fully enclosed ISPM-15 compliant fumigated plywood crates with internal air-cushioned strapping. Our historical ocean freight transport damage rate is under 0.1%.
Can I visit the Vexis factory in Foshan prior to placing a full contract order?
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Absolutely. We encourage developers, architects, and procurement teams to visit our 30,000 m² factory base and 1,500 m² showroom in Lishui Town, Foshan City, Guangdong Province, China. We can arrange factory tours, live window/door stress testing, and direct engineering consultations.
Partner with China's Premier Aluminium Crittall Door Supplier
Whether you require custom OEM fabrication for commercial project tenders or factory-direct wholesale pricing for architectural dealership distribution, our export engineering team is ready to assist with rapid quoting and CAD technical support.