EN 14351-1 Standard Compliance · Factory Direct

CE Certified Aluminium Kitchen Windows Factory & Supplier

Engineered thermal-break profiles, high-performance ventilation, and grease-resistant architectural fenestration tailored for international developers, contractors, and luxury residential projects.

Engineered Architectural Fenestration

High-Performance Aluminium Systems for Modern Kitchens & Living Spaces

Manufactured in our 180,000 ㎡ smart production hub in Foshan, Guangdong. Each profile is precision-cut from 6063-T6 virgin aluminium alloy and undergoes strict CE EN 14351-1 quality control, delivering optimal thermal isolation, high acoustic attenuation, and weather resilience.

Need custom dimensions, sectional CAD drawings, or certified test reports for local tenders? Send an Inquiry

Engineering Excellence in CE Certified Aluminium Kitchen Fenestration

Kitchen environments represent one of the most mechanically and environmentally demanding zones within high-end residential and commercial architecture. High-performance kitchen fenestration must withstand continuous internal thermodynamic fluctuations, heavy aerosolized grease, severe humidity spikes, and chemical detergents, while simultaneously satisfying stringent exterior building envelope regulations under European harmonised standards.

As an established fenestration manufacturer rooted in Foshan's premier industrial sector, Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) engineers aluminium kitchen windows under strict adherence to EN 14351-1:2006+A2:2016 (Windows and doors - Product standard, performance characteristics). Every system delivered from our 180,000 ㎡ manufacturing center carries verifiable CE marking and third-party Declaration of Performance (DoP), ensuring total compliance for developers, architects, and facade contractors across the European Economic Area, Australasia, North America, and emerging high-spec African developments.

Information Gain Insight: The Kitchen Fenestration Microclimate Challenge
Standard residential windows installed in kitchens frequently suffer from accelerated gasket embrittlement, hardware corrosion caused by vaporized acetic acids, and internal condensation rot. DERCHI overcomes this by integrating polyamide PA66 GF25 thermal breaks, continuous vulcanized EPDM multi-chamber seals, and AAMA 2605 / Qualicoat Class 2 fluorocarbon exterior coatings that resist caustic grease degradation for over 25 years.

EN 14351-1 Critical Testing Standards & Verified Performance Metrics

A legitimate CE certification is not simply a decorative badge; it represents quantifiable compliance under accredited test regimes performed by notified bodies. Below are the audited engineering criteria applied to our casement, tilt-and-turn, and servery folding kitchen window assemblies:

Air Permeability (EN 12207)

Class 4 rated (maximum airtightness up to 600 Pa test pressure). Eliminates unwanted drafts while preventing kitchen cooking smells from infiltrating adjoining luxury living zones or reversing into wall cavities.

Watertightness (EN 12208)

Class 9A / Class E1050 (tested under driving rain conditions up to 1050 Pa). Specialized concealed sub-sills and equal-pressure drainage channels prevent water ingress even during intense coastal storms and tropical typhoons.

Wind Load Resistance (EN 12210)

Class C5 / AS2047 N6 certified. Frontal deflection under severe pressure remains under 1/300 of the span, meeting high-rise oceanfront standards and cyclonic structural requirements in Australasia and the Caribbean.

Culinary Fenestration Material Evaluation: Engineering Comparison Matrix

When selecting fenestration for culinary spaces, procurement specialists must balance thermal transmission, moisture absorption, maintenance overhead, and fire safety. The matrix below outlines why CE-certified thermally broken aluminium represents the gold standard for global building contractors:

Performance Parameter DERCHI CE Thermal Aluminium Standard uPVC (Vinyl) Solid Engineered Timber Standard Non-Thermal Steel
Thermal Transmittance (Uw) ✓ 1.0 - 1.4 W/m²K 1.3 - 1.8 W/m²K 1.2 - 1.6 W/m²K > 3.8 W/m²K (Extreme thermal bridge)
Resistance to Grease & Vapor ✓ Exceptional (PVDF / Anodized) Moderate (Porous yellowing over time) Low (Absorbs moisture & oil smells) Moderate (Prone to oxidation/rust)
Profile Sightlines (Slimness) ✓ Ultra-Slim (45mm - 65mm) Bulky (85mm - 110mm) Moderate (78mm - 95mm) Very Slim (35mm - 55mm)
Structural Integrity & Max Span ✓ High (Up to 3.2m sash heights) Low (Creeps under sustained heat) Moderate (Warps in kitchen moisture) Extremely High (Heavy weight profile)
Fire Reaction Classification ✓ Class A1 / A2 Non-combustible Class B/C (Toxic hydrogen chloride gas) Combustible (Requires retardant paints) Class A1 Non-combustible
Expected Service Life (Years) ✓ 35 - 50+ Years 15 - 20 Years 20 - 30 Years (High upkeep) 25 - 40 Years (Rust dependent)

Future Procurement Trends in Aluminium Kitchen Windows (2025–2030)

The global luxury residential and commercial hospitality sectors are undergoing rapid architectural shifts. As kitchens transition from isolated utility spaces into open-concept culinary social hubs, fenestration specifications are pivoting towards five macro trends:

01

Motorized Bioclimatic Kitchen Ventilation

Integration of concealed 24V linear actuators synchronized with kitchen range hoods and smart building management systems (BMS) to automatically exhaust steam, volatile organic compounds, and excess humidity.

02

Pass-Through Gas-Strut Servery Windows

Seamless indoor-outdoor entertaining via upward-swinging gas-strut windows and continuous sill-less accordion systems that convert the kitchen splashback into an alfresco bar or poolside dining counter.

03

Ultra-Low Carbon Circular Aluminium

Strict European green building directives (EPD declarations) demand primary aluminium billets smelted using renewable hydropower or featuring >75% post-consumer recycled content (Hydro CIRCAL benchmarks).

04

Acoustic Decoupling in Culinary Hubs

Acoustic insulation values exceeding Rw 42 dB using asymmetric laminated acoustic glass (e.g., 6mm Low-E + 16Ar + 4mm.0.76PVB.4mm) to decouple street noise while isolating high-speed blender and dishwasher sound.

Why Global Importers & Contractors Source from Guangdong Dejiyoupin (DERCHI)

Selecting an international fenestration manufacturing partner requires balancing technical engineering capability, automated manufacturing scale, and deep export risk mitigation. With more than 25 years of relentless research, development, and lean fabrication, Guangdong Dejiyoupin Doors and Windows Co., Ltd. stands among China's recognized Top 10 High-End Door & Window Brands.

Manufacturing Supremacy

Foshan Production Base

Our intelligent production park in Nanhai District, Foshan, integrates cutting-edge German CNC profile cutting, 4-axis dual-head machining centers, robotic structural silicone sealing, and an automated vertical powder coating plant.

180,000 ㎡ Production Floor Area
600+ Certified Technicians
100+ Patents & CE/ISO Certs
50+ Countries Direct Port Logistics

Comprehensive Turnkey Capabilities for EPCs & Importers

We solve the friction associated with cross-border architectural window procurement by providing full-lifecycle support:

  • Complimentary Shop Drawings & BIM Models: Our 35-engineer design office converts architectural elevation drawings into ready-to-approve 2D shop drawings (AutoCAD) and 3D Revit models within 48 hours.
  • End-to-End International Standards: Tested and verified to European CE (EN 14351-1), Australian AS2047 (N6 Cyclonic rating), and American NFRC/AAMA energy and structural benchmarks.
  • Damage-Proof Export Packaging: Every window unit is individually shrink-wrapped with 5-layer protective foam, corner-protected with rigid composite guards, and loaded in fumigated A-frame steel crating or custom plywood cases to prevent ocean transit distortion.
  • Single-Source Architectural Consolidation: Consolidate aluminium kitchen windows with matching heavy-duty entrance doors, interior soundproof doors, minimalist sliding systems, and automated garage portals in single container loads.

Frequently Asked Questions (FAQ) for B2B Window Procurement

Direct technical answers addressing certification legality, glass thermal configurations, minimum order thresholds, and logistical compliance for architects, quantity surveyors, and commercial builders:

How can our project team verify your CE Certification and DoP? +
Every production batch of DERCHI aluminium windows is accompanied by an official Declaration of Performance (DoP) referencing standard EN 14351-1. We provide authenticated test reports from accredited third-party notified laboratories (such as Intertek and TÜV) validating U-values, air infiltration, watertightness, and wind resistance. All IGUs have indelible CE laser markings stamped on the internal warm-edge spacer.
What aluminium profile alloy and wall thickness do you specify? +
We exclusively utilize high-precision 6063-T6 virgin architectural aluminium alloy profiles. For our CE and AS2047 heavy-duty residential and commercial kitchen casements, outer frame and sash wall thicknesses range between 1.6mm and 2.0mm, and up to 3.0mm for high-span accordion servery doors, ensuring deflection-free stability under high wind pressures.
Which glass composition prevents persistent kitchen condensation? +
For high-humidity kitchen applications, we recommend our double or triple-glazed units configured with a warm-edge composite spacer bar (Swisspacer / Technoform), 90% Argon gas filling, and dual-surface Low-E coating (e.g., 6mm Clear Toughened + 16Ar Warm Edge + 6mm Low-E). This configuration achieves a center-of-glass Ug value below 1.1 W/m²K, elevating interior glass surface temperatures above the dew point.
How do your finishes resist aerosolized cooking oils and cleaning chemicals? +
We apply Qualicoat Class 2 certified architectural powder coatings (AkzoNobel / PPG Interpon) or 3-coat fluorocarbon PVDF systems (AAMA 2605 compliant). These industrial coatings exhibit superior chemical inertness, resisting fatty acids, hot steam, citrus residues, and harsh degreasing detergents without chalking, color fading, or blistering.
What is your Minimum Order Quantity (MOQ) and production lead time? +
For custom residential projects and villa developers, our MOQ is flexible (starting from 30 ㎡ or a complete single-villa door and window schedule). Standard fabrication lead time is 25 to 35 business days following CAD shop drawing sign-off and color chip approval. For commercial contracts requiring custom extrusion dies, add 15 days for tooling validation.
Can you handle container shipping and customs documents for Africa/Middle East? +
Yes. We regularly execute CIF and DDP consignments directly to major commercial ports including Lagos (Apapa/Tin Can), Mombasa, Tema, Durban, Dar es Salaam, Dubai (Jebel Ali), and European ports. Our experienced export logistics desk prepares all specialized documentation including SONCAP (Nigeria), KEBS PVoC (Kenya), Certificate of Origin (Form E/EUR.1), and consular legalization.
Direct Factory Engineering Support

Ready to Engineer Your Project's Window Schedule?

Send us your door and window schedule, architectural elevations, or project BOQ. Our senior facade engineering team will review structural wind loads, calculate optimal thermal U-values, and deliver complete CAD cross-sectional drawings with factory-direct pricing within 24 hours.