Zenit Window
Featured Architectural Window & Door Systems
Engineered for extreme durability, water-tightness, and modern architectural aesthetics.
Manufacturing Authority & Global Supply Infrastructure
Delivering high-precision aluminium architectural glazing solutions engineered for severe environments.
Founded in 2015, Chengdu Zenit Window & Door Co., Ltd. operates a state-of-the-art 25,000-square-meter manufacturing facility dedicated to pushing the boundaries of architectural facade engineering. Backed by 11 years of deep industry expertise and 8 years of global trade experience, the company achieves an annual export turnover of $26 million, solidifying its position as China's premier manufacturer and exporter of specialty aluminium glazing systems, including premium aluminium bathroom ventilation windows.
Our primary export markets cover North America, Australia, and Western Europe, catering directly to high-end residential home builders, architectural contractors, facade consultants, and commercial building material wholesalers. Quality control is meticulously executed by our team of 35 certified QA inspectors who perform rigorous air permeability testing, water tightness checks under pressurized spray conditions, and structural frame corner strength evaluations. Supported by over 600 supply chain partners, Zenit delivers comprehensive customization options including polyamide thermal break profiles, custom anodized finishes, fluorocarbon (PVDF) coatings, and triple-pane soundproof privacy glass. Driven by an active R&D division of 42 engineers, we successfully released 50 new architectural window and door systems over the past year alone.
Engineering Whitepaper: Aluminium Bathroom Ventilation Architecture
An in-depth analysis of psychrometric airflow, moisture resistance, thermal bridging, and structural integrity in modern washroom design.
Psychrometric & Moisture Control
Bathrooms represent high-humidity micro-environments subject to rapid vapor pressure fluctuations. High-performance aluminum ventilation windows integrate continuous micro-ventilation louvers or top-hung awning configurations to facilitate rapid vapor dissipation without compromising spatial privacy.
Polyamide PA66 Thermal Isolation
To eliminate interior surface condensation—a major cause of black mold—our window extrusions employ 24mm to 34mm PA66GF25 (25% fiberglass reinforced) thermal break strips. This physically isolates indoor and outdoor aluminum frames, reducing thermal conductivity to U-values under 1.4 W/m²K.
Acoustic Isolation & Privacy Glazing
Equipped with multi-layered obscurity options—such as obscure frosted double glazing, acid-etched low-E units, or smart switchable electrochromic glass—our ventilation units achieve Sound Transmission Class (STC) ratings up to 42 dB while keeping interior spaces invisible from the outside.
Technical Specification Matrix: Premium Ventilation Windows
| Parameter / Feature | Standard Specification | High-Performance / Coastal Spec |
|---|---|---|
| Aluminium Alloy Grade | 6063-T5 High Precision Extrusion | 6063-T6 Architectural Structural Grade |
| Profile Wall Thickness | 1.4mm to 2.0mm (As per AS2047 / GB 5237) | 2.0mm to 3.0mm Heavy-Duty Commercial |
| Surface Treatment | Powder Coating (Qualicoat Approved) | 25-Micron Anodized / PVDF Fluorocarbon Coating |
| Thermal Isolation Strip | 14.8mm Polyamide PA66GF25 | 24mm - 34mm Low-K Multi-Cavity Insulation |
| Sealing Gasket System | Double EPDM Vulcanized Rubber Seals | Triple Continuous EPDM + Foam Infused Co-extrusion |
| Water Tightness Rating | 450 Pa (Passes AS4420.5 / ASTM E331) | 700 Pa High-Pressure Hurricane Class |
| Air Infiltration Rating | Level 8 (Q1 ≤ 0.5 m³/m·h) | Super Air-Tight (A4 / Standard NFRC Compliant) |
End-to-End Factory Production & Quality Assurance Flow
Step-by-step transparency across our 25,000 m² automated manufacturing facility.
Raw Material Inspection
Profile Threading
Precision Cutting 1
Precision Cutting 2
CNC Machining 1
CNC Machining 2
Corner Assembly 1
Frame Assembly 2
Hardware Fitting 3
Glass Sealing 4
System Debugging
Finished Goods Warehouse
Strip Threading Machine
Automated Cutting Machine
High-Speed CNC Milling
Streamlined Assembly Line
35-Point QC Inspection
Pre-Shipment Debugging Rack
Global Compliance, Building Codes & Localized Support
Fulfilling stringent architectural regulations across major international project jurisdictions.
North American Compliance (NFRC & Florida NOA)
For US & Canadian developers, our bathroom ventilation windows meet thermal SHGC standards and air infiltration thresholds under NFRC testing. For coastal hurricane-prone areas (e.g., Florida), we provide high-impact laminated glass configurations capable of withstanding Large Missile Impact tests and extreme cyclic pressure loading.
Australian Standards (AS2047 & AS1288)
Our window systems undergo full-scale mechanical loading, ultimate strength, and water tightness verification according to AS2047 standards. Glazing options comply with AS1288 safety glass mandates, rendering our products fully plug-and-play for Australian residential builders and commercial developers.
European Union Directives (CE & EN 14351-1)
Adhering to European standard EN 14351-1, Zenit windows boast verified CE certification. Profiles are finished with non-toxic, eco-friendly powder coatings (REACH & RoHS compliant), ensuring zero off-gassing in enclosed bathroom environments.
The Chengdu Zenit Supply Chain Advantage
Why do leading global construction firms choose Chengdu Zenit Window & Door Co., Ltd. over regional fabricators? The answer lies in our comprehensive industrial ecosystem:
- Integrated Billet Sourcing: Direct alliance with top primary aluminum ingot smelters guarantees consistent metallurgical purity (A6063 alloy grade) and superior tensile performance.
- 42-Engineer R&D Agility: Rapid prototyping capability allowing custom extrusions, bespoke hardware integration, and project-tailored structural shop drawings within 72 hours.
- Massive Economies of Scale: Producing over 50 architectural glazing systems across 25,000 m² reduces per-unit manufacturing costs by 22% compared to European counterparts, while maintaining identical hardware quality (Roto, Hoppe, or Siegenia integration).
- Turnkey Shipping Logistics: Expert sea-freight protective packaging (A-frame wooden crating, corner guards, moisture-proof vacuum wrap) guarantees zero shipping breakage across 8+ years of international exports.
Localized Application Scenarios
Custom-engineered ventilation solutions for modern multi-family, hospitality, and residential projects.
High-Rise Luxury Hotels
Features integrated micro-ventilation louvers with insect screens. Provides guest-controlled ambient fresh air exchange without sacrificing acoustics from city noise or guest safety on elevated floors.
Coastal Humid Villas
Utilizes 25-micron anodized aluminum profiles combined with 316 stainless steel friction hinges and multi-point locking. Eliminates salt-mist corrosion while managing high humidity levels seamlessly.
Modular Prefabricated Bathrooms
Designed for rapid off-site modular construction pod installation. Features flush perimeter flanges and quick-seal sub-frames for fast installation on factory assembly lines.
Frequently Asked Questions (B2B Sourcing Guide)
Technical and procurement clarification for architectural engineers and project buyers.
What makes aluminum superior to PVC for bathroom ventilation?
Aluminum offers significantly higher structural rigidity, UV stability, and thermal resistance against high moisture without warping or yellowing. Additionally, slim aluminum profile frames maximize natural light intake while supporting heavy double/triple privacy glass units effortlessly.
How do you prevent privacy compromise during ventilation?
We implement custom architectural configurations including top-hung awning tilt mechanisms, angled jalousie louvers with frosted glass blades, or double-glazed units combining sandblasted obscure glass with top-mounted trickling ventilation strips.
What certification documents do you provide for project submittals?
We provide full technical submittal packages including structural wind-load calculation reports, thermal simulation data (U-factor & SHGC), AS2047 test certificates, CE declaration of performance, NFRC ratings, and 10-year warranty documentation on profiles and hardware.
What is the Minimum Order Quantity (MOQ) and production lead time?
For custom architectural projects, our typical minimum order is 50 square meters. Standard production lead time is 25-30 working days from shop drawing approval and deposit receipt. Sample orders for mockup testing are prioritized within 10-14 days.
Complete Architectural Window & Door Portfolio
Explore our full range of certified storm-proof, acoustic, and thermal break structural window products.
