EN 14351-1 Standard Compliance

CE Certified Aluminium Sliding Doors & Windows Manufacturers

Direct Architectural Fenestration Engineering: Thermal Break Multi-Track Glazing Systems, High Wind-Load Facades, and Industrial-Scale Manufacturing Solutions.

Engineering Masterpieces

Featured CE Certified Aluminium Sliding Systems

Engineered for commercial high-rises, coastal luxury villas, and passive residential architectures. Verified under European testing standards for water tightness, air permeability, and structural wind resistance.

Impact Grade Customized Aluminum Double Tempered Glass Sliding Door NFRC AS2047 Balcony Courtyard Avoid Hurricane Impact Sliding Door

Customized Hurricane Impact Double Tempered Sliding Door

  • Profile: 6063-T6 Architectural Alloy
  • Design Pressure: DP70 / 4500 Pa Windload
  • Glass Spec: 6mm+1.52PVB+6mm Lami-Insulated
Thermal Break Customized Modern Style Sliding Door For Home Villa Balcony Double Glazed Energy Efficient Aluminum Glass Sliding Door For Sale

Modern Double Glazed Energy Efficient Balcony Sliding Door

  • U-Value (Uw): ≤ 1.4 W/(m²·K) High Isolation
  • Polyamide Strip: 24mm PA66 GF25 Isobar
  • Glazing Unit: 5mm+12Ar+5mm Low-E Argon
Heavy Duty Rogenilan Villa House Heavy Duty Aluminium Frame Panoramic Large Glass Panel Sliding Slide Door with Mosquito Net

Heavy Duty Panoramic Large Panel Sliding Door with Integrated Mesh

  • Max Panel Weight: 400 kg Smooth Carriage
  • Visible Stile: 28mm Ultra-Slim Interlock
  • Screening: 304 Stainless Mesh Concealed
Panoramic Aluminum Sliding Door Customized Balcony Aluminum Sliding Glass Door Panoramic Double Tempered Glass Sliding Patio Door

Panoramic Double Tempered Glass Courtyard Patio Sliding Door

  • Air Permeability: Class 4 (EN 12207)
  • Water Tightness: Class E900 (EN 12208)
  • Track Config: Dual / Triple Extruded Rails
Acoustic Class Aluminum Energy Efficient Design Sliding Windows Slide Smoothly Windows Others Sliding Glass Aluminum Sliding windows

Energy-Saving Precision Smooth Sliding Aluminium Architectural Windows

  • Noise Attenuation: Rw = 42 dB Sound Isolation
  • Rollers: Heavy-load POM Bearing Wheels
  • Applications: Hotels, Apartments, Hospitals
AS2047 / CE ZEKIN Double Glazed Low E Glass Soundproof Exterior Standard Windows and Doors Black Patio Aluminum Australia Sliding Door

Standard Low-E Soundproof Exterior Patio Sliding Door Series

  • Surface Tech: Qualicoat Class 2 Powder Coat
  • Hardware: Cisa / Siegenia Multi-Lock
  • Finishes: Architectural Matte Black / Anodized
Lift & Slide Ultra View Aluminum Lift Slide Doors Save Energy Heat Insulation Heavy Duty Patio Aluminum Sliding Glass Doors

Ultra-View Thermal Lift & Slide Heavy-Duty Patio Glass Door System

  • Mechanism: G-U Lift-Slide Gear Transmission
  • Gaskets: Continuous EPDM Vulcanized
  • Perimeter Seal: Zero-Draft Drop Seal Barrier
Hospitality DERCHI Modern Aluminum Sliding Glass Door Soundproof and Windproof Sliding Glass Door For Home Hotel and Office Building

Commercial Soundproof & Windproof Sliding Glass Door System

  • Wind Load: Class C5 (≥ 2000 Pa) Safety
  • Threshold: ADA Flush In-Floor Barrier-Free
  • Durability: 100,000 Cycle Tested (EN 1191)
Regulatory Compliance Framework

EN 14351-1 Technical Benchmarks for Architectural Sliding Enclosures

Procuring CE-marked aluminium sliding assemblies requires navigating Annex ZA of the Construction Products Regulation (EU CPR No 305/2011). Below is the mandatory performance matrix verified through notified laboratory audits.

For international property developers, general contractors, and facade consultants, the CE marking on aluminium sliding doors and windows is not merely a border customs formality. It represents a legally binding Declaration of Performance (DoP) under the European harmonized standard EN 14351-1:2006+A2:2016 (Windows and doors - Product standard, performance characteristics). Every extrusion alloy, thermal separation bridge, co-extruded EPDM gasket, and architectural hardware fitting undergoes strict initial type testing (ITT) and factory production control (FPC).

Test Parameter Harmonized Test Standard Standard Commercial Fenestration DERCHI Heavy-Duty CE Series Regulatory Significance
Thermal Transmittance (Uw) EN ISO 10077-1 / -2 2.4 - 2.8 W/(m²·K) ≤ 1.1 - 1.4 W/(m²·K) Directive (EU) 2018/844 compliance; prevents condensation and drops HVAC energy consumption.
Air Permeability EN 1026 / EN 12207 Class 2 (300 Pa baseline) Class 4 (600 Pa maximum) Eliminates structural air drafts, whistling under dynamic wind shear, and latent heat infiltration.
Water Tightness EN 1027 / EN 12208 Class 4A (150 Pa unshielded) Class 9A / E900 (900 Pa) Resists tropical downpours and oceanfront wind-driven rains without sill-overflow failure.
Wind Load Resistance EN 12211 / EN 12210 Class B2 (800 Pa) Class C5 / N6 (> 3000 Pa) Calculated relative frontal deflection < 1/300 of clear span; no glazing pop-out during typhoon shear.
Acoustic Insulation (Rw) EN ISO 717-1 28 - 32 dB 38 - 44 dB Sound Decoupling Mitigates low-frequency urban traffic, airport noise, and coastal marine turbulence.
Operating Forces & Safety EN 12046-1 / EN 14608 Class 1 (≤ 100 N manual pull) Class 2 (≤ 50 N low effort) Heavy sashes up to 450 kg glide effortlessly across stainless quad-rail bearing cartridges.
Industry Horizon

Technological Evolution & Architectural Engineering Trends

How smart automation, low-carbon extrusion metallurgy, and minimalist structural sightlines are redefining commercial and luxury residential fenestration specifications through 2030.

Ultra-Slim Sightlines & Structural Inertia

Architectural demand has transitioned from thick multi-chamber profiles to minimalist interlocks under 20mm. Achieving structural compliance (EN 12210 Class C5) with micro-profiles requires internal composite reinforcement: high-modulus carbon-fiber rods and structural steel stiffeners fitted within the 6063-T6 thermal chamber, granting wind resistance while delivering up to 98% visual glass transmittance.

Hidden Electromechanical Drive Automation

Modern curtain wall sashes weighing 300kg to 600kg increasingly feature concealed 24V/48V DC brushless servo motors concealed entirely within the upper frame transom. Integrated optical infrared anti-pinch sensors, KNX/BACnet building automation integration, and magnetic induction locking deliver silent operation with zero architectural visual footprint.

Decarbonized Aluminium & EPD Transparency

Global ESG criteria, EU CBAM (Carbon Border Adjustment Mechanism), and LEED v4.1 certification necessitate traceable embodied carbon metrics. Leading tier-one extruders employ hydro-powered aluminium billets yielding less than 4.0 kg CO2 per kg of finished profile, coupled with recyclable PA66 insulative polymer barriers to ensure circular end-of-life reclamation.

Procurement Strategy

B2B Sourcing Analysis: Mitigating Global Fenestration Risks

Key parameters purchasing directors, MEP consultants, and project developers must evaluate when contracting high-volume window and door fabrication facilities.

6063-T6
Primary Metallurgy
Strict exclusion of low-grade scrap re-melts ensures zero intergranular corrosion and flawless anodizing.
2.0mm+
Structural Wall Thickness
Exceeds national commercial code baselines to prevent screw pull-out and frame torsion on tall spans.
100%
Pre-Hung Factory Fit
Complete multi-panel track assembly, CNC milling, and laser calibration prior to container export crating.
35+ Yrs
Designed Lifecycle
Fluorocarbon PVDF and Qualicoat-certified coatings designed to withstand high-salinity coastal exposure.

Contracting Best Practices: From Tender to Site Handover

Procuring custom fenestration directly from Chinese manufacturing centers has matured beyond basic unit price negotiations. Sophisticated global developers now prioritize total cost of quality (CoQ). Key contractual stipulations should mandate:

1. Billet Origin Verification: Chemical composition inspection reports confirming silicon (0.2-0.6%) and magnesium (0.45-0.9%) ratios under EN 573-3 to prevent structural brittleness under cyclic thermal fatigue.

2. Hardware Compatibility Warranties: Ensuring European-standard C-groove profiles that natively accept certified multi-point locking gear from global hardware providers (such as Siegenia, Hoppe, Cisa, and Sobinco) without requiring site modification.

3. Container Loading Optimization: Factory pre-assembly of knocked-down (KD) subframes utilizing shock-absorbing custom steel/timber A-frame crates, desiccated shrink-wrapping, and corner edge shields to eliminate maritime transit friction and salt-fog oxidation.

Enterprise Infrastructure

Guangdong Dejiyoupin Doors & Windows Co., Ltd. (DERCHI)

Recognized among the Top 10 architectural fenestration and door engineering brands in China, DERCHI operates as an industrial-scale manufacturing hub for international B2B contracting, luxury residential villas, and commercial hospitality towers.

180,000 &msup2; Smart Industrial Base 600+ Skilled Workforce 100+ Patents & Global Certs
German CNC Processing Centers Sub-millimeter profile cutting, corner crimping, and automated hardware milling.
Multi-Standard Certified Testing Full laboratory testing for CE (EN 14351-1), AS2047, NFRC, and UL Fire Ratings.
Custom Shop Drawings & BIM Dedicated English-speaking facade engineering support for project submittals.
Global Sea Export Logistics Turnkey CIF delivery to major ports across North America, Europe, Africa, and Australia.
Aerial view of the DERCHI smart manufacturing base in Foshan, Guangdong
Procurement Clarity

Frequently Asked Technical & Sourcing Questions

Direct answers to the most critical technical, logistic, and contractual questions faced by procurement managers and structural facade engineers.

How does DERCHI verify CE compliance under EN 14351-1?

Our aluminium sliding doors and windows undergo official Type Testing through accredited European notified bodies (such as ift Rosenheim and TÜV). We maintain an internal Factory Production Control (FPC) system under ISO9001, providing complete Declarations of Performance (DoP), mechanical tensile test certificates, and CE labeling traceable to every batch of extruded alloy and thermal break polymer.

What is the typical thermal performance (U-Value) achievable?

Our multi-chamber thermal break profiles equipped with 24mm to 34mm PA66 GF25 insulative strips deliver a frame U-value (Uf) as low as 1.6 W/(m²·K). When combined with double- or triple-glazed argon units with Warm Edge spacers and soft-coat Low-E coatings, overall system performance (Uw) achieves between 1.1 and 1.4 W/(m²·K), meeting rigorous passive building standards.

Can you manufacture custom dimensions for large structural spans?

Yes. Every order is 100% custom fabricated based on your architectural door schedule and structural wind load calculations. Our heavy-duty lift & slide series can accommodate individual sash heights up to 3500mm and widths up to 3000mm, with maximum sash weights up to 450 kg supported by precision stainless steel quad-rollers and structural steel reinforced interlocks.

How do you guarantee corrosion resistance in coastal marine zones?

For oceanfront and high-humidity locations, we provide marine-grade surface finishes complying with Qualicoat Seaside and AAMA 2605 specifications. This includes multi-stage chemical pre-treatments, 70% fluorocarbon PVDF coatings (3-coat system ≥ 40 μm), or anodized finishes with minimum 20 μm film thickness, tested to withstand 3000+ hours of neutral salt spray without blistering.

What documentation do you provide for project approvals?

We provide a comprehensive technical submittal package: structural engineering calculation reports, free 2D CAD shop drawings (plan, elevation, and jamb details), 3D BIM models, CE Declarations of Performance, glass performance spectra (solar heat gain coefficient, visual transmittance, U-value), and factory pre-shipment quality inspection reports.

What are your packaging standards to prevent maritime transit damage?

Every product is protected by a multi-tier packaging protocol: protective adhesive film on profile surfaces, foam corner protectors, waterproof shrink wrapping, and individual placement within non-fumigation plywood crates or steel A-frame racks with rubber cushioning. Desiccants are packed inside every crate to prevent moisture condensation during sea voyage.

Accelerate Your Project with Certified Engineering Specs

Access our full architectural catalog, CAD profile cross-sections, structural loading tables, and complete CE test certificates. Connect directly with our senior fenestration engineers for free estimation and custom shop drawings.