Engineered thermal performance, high structural wind pressure resistance, and bespoke system window solutions for commercial developers, contractors, and importers across 154+ countries.
Ultra-Slim Frames. Heavy-Duty Structural Load.
Precision-crafted thermal break profiles with PA66 GF25 insulation strips, multi-point locking hardware, and certified Low-E insulated glazing units.
USA
UK
Canada
Australia
Vietnamese
Turkish
Korean
Japanese
German
Portuguese
French
SpanishVexis Windows & Doors Co., Ltd. stands at the forefront of modern architectural fenestration manufacturing in Foshan, China. As a full-scale OEM/ODM enterprise integrating advanced structural R&D, precision CAD/BIM shop design, automated CNC fabrication, and direct international export, Vexis delivers structural integrity and thermal insulation tailored for demanding global climates.
In modern commercial and high-end residential architecture, standard non-thermal aluminum frames are no longer sufficient to meet stringent carbon-neutral energy codes. Global procurement directors, façade engineers, and real estate developers require fully engineered Aluminum Window Systems that incorporate high-tensile 6063-T5/T6 aluminum extrusion alloys, multi-chambered polyamide (PA66 GF25) thermal breaks, pressure-equalized internal drainage paths, and continuous triple-stage EPDM weather-stripping gaskets.
Whether supplying hurricane-resistant casement windows for coastal developments in Florida, passive house thermal-break tilt and turn windows for Canadian winters, or panoramic ultra-slim sliding doors for Australian beachfront villas, Vexis custom-engineers each profile section to fulfill local wind load (Pascals), acoustic reduction (STC ratings), and thermal transmittance (U-Factor / Uw) specifications.
Explore factory-engineered profile systems crafted to surpass international standards for water tightness, air infiltration, thermal transmittance, and structural load.
Precision-engineered hinged French patio and entrance door systems featuring 2.0mm structural wall thickness, PA66 GF25 thermal break strips, multi-point perimeter gear locking, and double/triple EPDM compression seals for extreme weather resistance.
Outward and inward opening casement window systems featuring friction stay hinges, integrated stainless steel mesh flyscreens, multi-locking points, and pressure-equalized inner drainage chambers to prevent rainwater backflow under high wind conditions.
Large-span exterior bifold systems designed to create seamless transitions between interior living space and outdoor terraces. Heavy-duty stainless steel top-hung and bottom-guide rollers ensure effortless, whisper-quiet operation across multi-panel configurations.
Heavy-duty roof glass systems engineered for atrium daylighting, sunrooms, and commercial skylights. Featuring heavy extrusion mullions, double-laminated solar reflective glazing, motorized chain actuators, and multi-tier structural silicone waterproofing.
Horizontal sliding window systems designed for residential apartment towers, hotels, and coastal villas. Equipped with anti-lift safety blocks, high-durability nylon/stainless steel tandem rollers, and integrated security mesh screens.
Minimalist slim-line sliding door systems featuring ultra-narrow vertical interlocks (as thin as 20mm) and lift-and-slide mechanical mechanisms that drop the sash onto internal gaskets to achieve superior thermal and air-sealing performance when closed.
Comparative structural and thermal parameters evaluated under standardized testing protocols (ASTM / EN 14351-1).
| System Type | Extrusion Alloy & Thickness | Thermal Transmittance (U-Value) | Acoustic Insulation (STC/Rw) | Water Tightness (Pa) | Wind Pressure Load (kPa) | Primary Application |
|---|---|---|---|---|---|---|
| Thermal Break Casement System | 6063-T5 (1.4mm - 2.0mm) | 1.1 - 1.4 W/m²K | 38 - 45 dB | 700 Pa (Class 9A) | 5.0 kPa (P3 Rating) | High-rise residential, coastal villas, cold climates |
| Tilt & Turn System (European Spec) | 6063-T6 (1.8mm - 2.2mm) | 0.9 - 1.2 W/m²K | 40 - 48 dB | 900 Pa (E900 Standard) | 6.0 kPa (Class C5) | Passive house construction, extreme thermal zones |
| Ultra-Slim Interlock Sliding System | 6063-T6 (2.0mm - 3.0mm) | 1.6 - 1.9 W/m²K | 32 - 38 dB | 450 Pa (Class 8A) | 3.5 kPa (Class C3) | Luxury architectural villas, panoramic balconies |
| Heavy-Duty Lift & Slide Door System | 6063-T5/T6 (2.2mm - 3.0mm) | 1.3 - 1.6 W/m²K | 36 - 42 dB | 600 Pa (Class 9A) | 4.5 kPa (Class C4) | Large-span commercial entrances, high-wind zones |
| Exterior Panoramic Bifold System | 6063-T5 (2.0mm - 2.5mm) | 1.5 - 1.8 W/m²K | 34 - 40 dB | 500 Pa (Class 8A) | 3.8 kPa (Class C3) | Commercial dining, patio access, resort developments |
| Structural Architectural Skylight | 6063-T6 Structural Profile | 1.0 - 1.3 W/m²K | 36 - 44 dB | 1000 Pa (High Exposure) | 5.5 kPa (Snow & Wind) | Commercial atriums, sunrooms, light wells |
At Vexis Windows & Doors Co., Ltd., we understand that structural engineers and procurement officers do not just buy profile shapes—they specify performance outcomes. Every aluminum window system in our lineup can be factory-configured with double or triple insulated glass units (IGUs) utilizing argon gas fills, stainless or composite warm-edge spacers, and multi-layer Low-Emissivity (Low-E) soft coatings. Our technical engineering division generates custom CAD detail drawings, physical mock-ups, and FEA wind-load simulations for project validation prior to mass extrusion.
Key macro trends shaping how international developers, contractors, and building material importers source aluminum window systems.
Global building codes increasingly mandate environmental product declarations (EPDs). Sourcing high-grade 6063-T6 aluminum extruded with recycled content and powered by hydro-electric smelting cuts embodied carbon by up to 65%.
Rising frequencies of tropical storms, heatwaves, and freeze-thaw cycles drive demand for impact-rated laminated glass, multi-chamber PA66 GF25 thermal breaks, and structural wind resistance rated above 5.0 kPa.
Modern commercial developments require motorized window systems integrated with Smart Building Management Systems (BMS). Concealed chain-drive actuators and automated sensors regulate natural ventilation seamlessly.
Off-site modular construction demands pre-glazed, factory-assembled unitized window systems. Direct factory pre-assembly reduces jobsite installation labor by 40% while eliminating field glazing errors.
A structured engineering framework to verify extrusion quality, thermal efficiency, and hardware longevity during factory audits.
When procuring Aluminum Window Systems from overseas manufacturers, price per square meter is only one parameter. A comprehensive engineering audit must evaluate four core component tiers to prevent field failure, air leakage, and premature seal breakdown:
Cheap architectural windows often compromise on alloy purity and wall thickness. Vexis utilizes prime 6063-T5 and T6 billet extrusions with uniform wall thickness exceeding national and international standards (minimum 1.4mm for windows, 2.0mm to 3.0mm for heavy-duty doors). Prime aluminum alloy ensures structural rigidity under wind pressure loads without frame deformation.
The core thermal barrier separates exterior and interior aluminum profiles. Inferior suppliers frequently substitute low-cost PVC strips, which degrade under UV exposure and expand at vastly different rates than aluminum. Vexis exclusively installs PA66 GF25 (Polyamide 66 reinforced with 25% glass fiber) strips, matching the coefficient of thermal expansion of aluminum and maintaining structural bond strength from -40°C to +80°C.
Air infiltration and water leaks occur when perimeter seals degrade. Cheap PVC or recycled rubber gaskets harden, crack, and shrink within 2 to 3 years. Vexis window systems utilize continuous automotive-grade EPDM (Ethylene Propylene Diene Monomer) vulcanized seals, retaining elasticity and weather tightness for over 25 years.
Operational longevity depends on heavy-duty friction stays, multi-point locking gear, and stainless steel rollers. We partner with top-tier hardware manufacturers (including Siegenia, Hoppe, and proprietary Vexis precision hardware) tested to endure over 100,000 opening/closing cycles. Surface treatments include 1000-hour salt-spray tested coatings to ensure zero rust in coastal environments.
Over two decades of dedicated fenestration innovation, powered by a 30,000 m² Foshan production base and proven project delivery across 154+ countries.
Engineered for high wind resistance, soundproofing up to STC 45, water tightness, energy conservation, and anti-salt-spray corrosion.
Mass production capacity across our 30,000 m² base ensures competitive wholesale pricing, strict lead times, and no middleman markup.
Full CAD/BIM drawing customization, unlimited RAL color powder coating, wood-grain finishes, and bespoke glass performance stacks.
Precision CNC corner crimping, multi-point locking gear, tempered safety glass, and strict quality control certified to international norms.
Exporting to 154+ countries with ocean-worthy reinforced crating, complete customs documentation, and dedicated project assistance.
A transparent 5-step engineering and production workflow built for international procurement transparency.
Submit your project CAD drawings, window schedules, opening dimensions, and target U-values.
Our engineering team selects profile series, calculates wind loads, and provides 2D shop drawings.
Precision cutting, thermal break assembly, corner crimping, and pre-assembly testing in Foshan.
Protective PE film wrapping, corner guards, and fully enclosed plywood export crating.
Containerized shipping assistance, complete export documentation, and installation manuals.
From icy northern regions to tropical coastal hurricane zones, Vexis window systems are engineered to local building codes.
[01]
Cold coastal rain climate — optimized with thermal break profiles and Low-E triple glazing (Uw ≤ 1.1 W/m²K).
Explore Case
[02]
Hot summer conditions — engineered solar heat gain coefficient (SHGC ≤ 0.22) with heavy-duty lift-slide doors.
Explore Case
[03]
High humidity and typhoon zone — reinforced 6063-T6 extrusions rated for 5.0 kPa wind pressure resistance.
Explore Case
[04]
Coastal beachfront luxury — Qualanod architectural anodized finish with panoramic ultra-slim sliding glass panels.
Explore CaseThird-party test reports and conformance certifications support your project tenders and customs clearance.
Click any certificate to inspect full test documentation. Official compliance packages are provided for verified tenders.
Overseas clients, real estate developers, and window distributors inspecting production lines at our Foshan facility.
In-depth technical guides covering global fenestration trends, performance standards, and manufacturing updates.
Market Trends
An in-depth report on why tailor-made aluminum extrusions and factory-direct engineering support are winning major commercial tenders across North America and Europe.
Read Full Article
Engineering
Comparing fully integrated profile systems against knock-down regional assemblies: Evaluating air tightness, structural wind resistance, and long-term acoustic damping.
Read Full Article
Energy Conservation
How updated energy efficiency mandates (U-values below 1.2 W/m²K) drive modern specification trends for high-rise commercial glazing and multi-family housing.
Read Full ArticleComprehensive responses addressing core engineering, compliance, customization, and logistical queries regarding aluminum window systems.
Consult directly with our Senior Export Engineers regarding system selection, structural calculations, and wholesale pricing. Project inquiries receive technical response within 24 hours.
Recommended Submission Details:
Casement
Sliding
Folding
Swing
Entry
Casement
Sliding
Folding
Tilt & Turn
Skylight
Awning