EN 14351-1 Compliant Fenestration

CE Certified Aluminum Fixed Glass Windows Factories & Supplier

Authoritative B2B engineering white paper, technical performance guide, and factory-direct procurement intelligence from Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI).

Engineered Portfolio

High-Performance Architectural Fenestration Systems

Explore our export-certified aluminum, passive house, and structural fixed glazing window solutions manufactured in our 180,000㎡ intelligent production facility in Foshan.

Insect Barrier Trackless Pleated Mosquito Mesh Screen Door

Aluminum Profile Trackless Plisse Mosquito Folding Insect Screen Door Bug Door Screen Pleated Fly Mesh Screen Door

  • High-tensile PET / stainless mesh
  • Barrier-free trackless floor guide
  • Engineered for fixed & folding frames
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Passivhaus Verified CHAMBROAD Passive House Aluminum Clad Wood Windows

CHAMBROAD Passive House Window Aluminum Clad Wood Windows Tilt and Slide Triple Glazed Warm Edge Glass for Hotel Suite

  • Uw ≤ 0.79 W/(m²·K) thermal value
  • Triple-glazed argon with warm edge
  • Structural timber with aluminum exterior
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Architectural Swing Modern Black Aluminum French Doors

Modern Design Aluminum French Doors Panel Simple Swing Open Exterior Door with Push Pull Security in Black Metal Color

  • Multi-point tamper-proof perimeter locks
  • Narrow sightline 6063-T6 alloy frame
  • Coordinated with fixed glass transoms
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High Panorama Modern Double Glazing Aluminum Profile Sliding Windows

Cheap Price Newest Aluminium Profile Sliding Window Designs Modern Double Glazing Glass Aluminum Frame Windows Doors

  • Heavy-duty tandem stainless steel rollers
  • Double tempered Low-E argon insulated unit
  • Integrated structural fixed light combinations
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NFRC & Fire Rated Aluminium Glass Fire Anti-Theft Bifold Doors

Aumegi Hot Sale American NFRC Aluminium Internal Bifold Doors Glass Bifold Fire Anti-theft Doors

  • NFRC certified thermal transmittance
  • Intumescent fire-resistant glazing cores
  • Seamless pairing with perimeter fixed lights
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German Engineering Aluminum Tilt and Turn Windows

Aluminium System Casement Windows Energy Saving Double Safety Glass Aluminum Tilt and Turn Window | Aluminum Tilt Turn Window

  • Concealed multi-point perimeter compression
  • Triple EPDM co-extruded acoustic gaskets
  • Coupled seamlessly with large fixed picture panes
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Acoustic Shield Double Glazed Aluminum Swing Window

House Apartment Double Glazed Aluminum Swing Window Double Tempered Glass windows Casement Window

  • Acoustic Rw performance up to 42 dB
  • Heavy wall profile extrusion thickness ≥ 2.0mm
  • Dual-chamber insulated drainage channel
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Thermal Break Fixed Core Thermal Break Aluminum Window Profile

Thermal Break Aluminum Window Profile Modern Aluminum Frame Window for Residential and Commercial Construction

  • Technoform PA66 GF25 reinforced thermal strip
  • Compatible with oversized jumbo picture glass
  • Qualicoat Seaside powder coating finish
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180,000㎡
Integrated Factory Base
Foshan Extrusion & Glazing Hub
25+
Years of Manufacturing
Pioneering Fenestration Engineering
100+
Patents & Global Standards
CE, ISO9001, AS2047, NFRC
600+
Skilled Specialists
Dedicated Structural & CAD Teams
Engineering White Paper

Structural Mechanics and CE Compliance of Fixed Glass Windows

Fixed aluminum windows (also classified internationally as picture windows, direct-glazed vision lights, or non-operable curtain wall modules) form the baseline of modern high-performance building envelopes. Because fixed fenestration does not integrate moving sashes or friction hinges, its structural design prioritizes maximum glass-to-frame ratios, ultra-low air permeability, superior static water pressure resistance, and uncompromised structural deflection thresholds.

Alloy Metallurgy & Polyamide Thermal Breaks

DERCHI fixed windows utilize primary architectural-grade 6063-T6 and 6060-T66 aluminum extrusions with nominal wall thicknesses strictly compliant with EN 755-9 (≥ 2.0 mm for exterior commercial fenestration). Profile thermal bridging is decoupled through glass fiber-reinforced Polyamide (PA66 GF25) thermal break insulative bars, preventing condensation and lowering frame thermal transmittance (Uf) below 1.4 W/(m²·K).

6063-T6 Extrusion PA66 GF25 Strut EN 14024 Shear Tested

Hermetic Insulating Glass Unit (IGU) Physics

Vision lites feature dual- or triple-glazed IGUs engineered in temperature-controlled robotic sealing lines. Incorporating magnetron sputtered double/triple silver Low-E coatings, 95% high-purity argon gas fills, and warm-edge silicone structural composite spacers, our insulated units reach center-of-glass Ug values as low as 0.55 W/(m²·K), drastically mitigating perimeter radiant heat flux.

Ug ≤ 0.6 W/(m²·K) EN 1279-2/3 Certified Warm Edge Spacer

CE Testing Mandates: EN 14351-1 Standards

Under the European Construction Products Regulation (CPR 305/2011), fixed windows must carry authenticated Declaration of Performance (DoP) credentials based on third-party test verification. Our units are rigorously evaluated under EN 1026 for airtightness (Class 4 at 600 Pa), EN 1027 for water tightness under static pressure (Class E1500 / 9A at 1500 Pa), and EN 12211 for wind load resistance (Class C5 ±3000 Pa).

Air Permeability Class 4 Water Tightness 9A/E1500 Wind Resistance Class C5
Performance Indicator Applicable European Standard DERCHI Engineering Test Rating Competitive Benchmark / Standard Compliance Status
Air Permeability EN 1026 / EN 12207 Class 4 (Positive & Negative 600 Pa, ≤ 0.15 m³/(h·m²)) Class 2 or Class 3 typical CE Certified Class 4
Water Tightness (Static) EN 1027 / EN 12208 Class 9A / E1200 (No water penetration at 1,200 Pa) Class 5A (200 Pa) to 7A (300 Pa) Severe Exposure Pass
Wind Load Resistance EN 12211 / EN 12210 Class C5 (±2400 Pa operational, ±3600 Pa safety) Deflection < L/300 Class B3 to C3 High-Rise Structural Pass
Thermal Transmittance (Uw) EN ISO 10077-1 / EN ISO 10077-2 Uw 0.85 – 1.10 W/(m²·K) (Triple IGU configuration) Uw 1.60 – 2.20 W/(m²·K) Passive House Ready
Acoustic Attenuation (Rw) EN ISO 717-1 / EN ISO 10140-2 Rw (C; Ctr) = 44 (-2; -5) dB (with Acoustic PVB Lami Glass) Rw = 32 – 35 dB Airport Zone Certified
Surface Corrosion Resistance ISO 9227 / Qualicoat Seaside Over 3,000 hrs neutral salt spray (AAMA 2605 70% PVDF / Powder) 1,000 hrs standard Coastal Grade Class 2
Enterprise Distinction

Why Tier-1 Contractors and Global Architects Partner with DERCHI

As one of China's Top 10 premium door and window manufacturing enterprises, Guangdong Dejiyoupin Doors and Windows Co., Ltd. provides an industrial ecosystem built for seamless global project execution.

Uncompromising Foshan Industrial Foundation & Quality Engineering

Headquartered in Foshan—the epicenter of global architectural aluminum systems—DERCHI operates a massive 180,000㎡ modern manufacturing infrastructure supported by more than 600 full-time facade engineers, master fabricators, and QA specialists. Over our 25+ years of fenestration specialization, we have built a fully vertically integrated fabrication lifecycle.

  • Full-Cycle CNC Precision Profiling: 5-axis German machining centers ensuring miter cut tolerance within ±0.1mm, heavy corner crimping, and automated structural adhesive injection.
  • Automated Structural Glazing Line: Class 100,000 clean-room robotic Dow Corning 983 / Sika structural silicone application for seamless frameless fixed vision facades.
  • Complete Project BIM & CAD Support: Complimentary project shop drawings, wind load deflection calculations per Eurocode 1 (EN 1991-1-4) and ASCE 7, and anchorage engineering.
  • Global Packaging & Ocean Logistics: A-frame steel shipping pallets, heat-treated plywood crates, corner impact buffers, and desiccated hermetic wrapping for zero sea-spray moisture ingress.
DERCHI 180,000 square meter Foshan factory production campus
180,000㎡ Intelligent Production Base Integrated extrusion, powder-coating, thermal bar insertion, and automated glass fabrication in Foshan, China.
Strategic Sourcing Intelligence

Future Procurement Trends in Architectural Fixed Windows

Procurement directors, commercial developers, and quantity surveyors must adapt to transformative shifts in global green building mandates, supply chain transparency, and industrial prefabrication.

Trend 01 · Decarbonization

Low-Embodied Carbon Recycled Aluminum (75R)

European and North American green building regulations (including LEED v4.1, BREEAM, and the EU CBAM carbon border tax) are enforcing strict limits on cradle-to-gate embodied carbon. B2B buyers are pivoting toward post-consumer recycled billet extrusions melted using certified renewable hydropower.

Target: ≤ 4.0 kg CO₂e per kg aluminum extruded
Trend 02 · Envelope Physics

Passivhaus Standard & Vacuum Insulated Glass

Stringent Net Zero Operational Carbon building codes demand envelope U-values matching opaque walls. Procurement is rapidly adopting triple-glazed krypton and hybrid Vacuum Insulated Glass (VIG) picture windows that achieve thermal insulation without increasing profile depths excessively.

Trend Metric: Whole window Uw ≤ 0.80 W/(m²·K)
Trend 03 · Offsite Modularization

Unitized Pre-Glazed Factory Assemblies

Rising on-site jobsite labor rates in Europe, Australia, and the Americas have made field glazing cost-prohibitive and prone to weather delays. B2B purchasing contracts now prioritize 100% pre-glazed, pre-flashed fixed window modules delivered ready for crane hoisting into structural openings.

On-Site Installation Time Reduced by 65%
Trend 04 · Supply Chain Risk

Factory-Direct Single-Source Accountable Sourcing

Distributors and general contractors are shedding multi-tiered brokerage chains in favor of direct partnerships with integrated manufacturers who combine aluminum extrusion, precision processing, IGU fabrication, and project engineering under single-source CE warranties.

Consolidated Container Loads Cut Logistics Overhead by 28%
Design Evolution

Emerging Technological and Aesthetic Fenestration Trends

Architects and luxury developers are constantly expanding the boundaries of light transmission, slim structural lines, and active building envelope responsiveness.

Innovation 01 · Minimalist Facades

Concealed Sub-Frame & Ultra-Slim Sightlines

The transition toward invisible envelope architecture has popularized embedded perimeter frames where the outer aluminum casing is entirely recessed behind exterior insulation and interior drywalls, presenting pure glass edge reflections and 98%+ daylight visual transmittance.

Sightlines engineered down to 18mm perimeter reveals
Innovation 02 · Jumbo Vision Formats

Super-Sized Monolithic Architectural Lites

Villa main rooms, penthouses, and high-end automotive showrooms are abandoning fragmented transom grids in favor of continuous architectural vision panes reaching spans of up to 3.2m × 6.0m, made possible by finite element structural silicone calculations and automated tempering ovens.

Single pane weights up to 1,200 kg structurally secured
Innovation 03 · Dynamic Shading

Electrochromic & Photovoltaic BIPV Glazing

Integration of electrochromic smart glass within fixed aluminum profiles allows occupants to adjust solar heat gain (SHGC) from 0.45 down to 0.09 at the push of a button or via automated BMS sensors without mechanical blinds, while Building Integrated Photovoltaic (BIPV) spandrels generate on-site solar power.

Up to 40% reduction in annual HVAC peak cooling demand
Innovation 04 · Specialized Coatings

Fluorocarbon PVDF & Super-Durable Powder Finishes

To resist hyper-saline coastal sea breezes, industrial sulfur exposure, and ultra-high UV indices across South America, the Middle East, and Mediterranean coasts, profiles are protected with 3-coat/2-bake 70% Kynar 500 / Hylar 5000 PVDF resins and Qualicoat Class 2 super-durable powders.

Salt spray test resistance verified > 3,500 hours
Procurement Knowledge Hub

Frequently Asked Questions for Commercial Buyers and Importers

In-depth technical answers addressing regulatory compliance, logistics safeguards, engineering submittals, and performance validation for overseas window procurement.

What specific test documentation is required for CE marked aluminum fixed windows under EN 14351-1?
Under European Regulation (EU) No 305/2011 (Construction Products Regulation), fixed windows must comply with the harmonized standard EN 14351-1:2006+A2:2016 (Windows and doors - Product standard, performance characteristics). To legally clear EU/EEA customs and obtain building control approval, the manufacturer must issue a legally binding Declaration of Performance (DoP) tied to Initial Type Testing (ITT) reports issued by an accredited Notified Body laboratory. Mandatory test metrics include: Air Permeability (EN 1026/12207), Water Tightness (EN 1027/12208), Resistance to Wind Load (EN 12211/12210), Thermal Transmittance calculation (EN ISO 10077-1/2), and Release of Dangerous Substances. DERCHI provides comprehensive DoP dossiers with unique CE serial identification for every commercial order.
How does DERCHI prevent glass thermal shock breakage and seal failure during transoceanic shipping?
Ocean transport crosses extreme climatic zones where container temperatures can swing from -10°C to +65°C with 95% relative humidity. We eliminate atmospheric pressure-induced deflection and thermal shock breakage by utilizing calibrated capillary tubes (breather tubes) for units shipped to high altitudes or hot climates, which are sealed immediately prior to final site installation. Furthermore, all insulated glass units are dual-sealed with high-modulus polyisobutylene (PIB) primary moisture barriers and automated two-part structural silicone secondary perimeter seals. Units are loaded onto hot-dipped galvanized steel A-frames or fumigated ISPM-15 plywood crates separated by EVA high-density cork pads to neutralize mechanical vibration shocks.
Can large-format fixed picture windows be combined with operable tilt-and-turn or casement units seamlessly?
Yes. DERCHI systems are modularly coordinated across profile depths (e.g., 65mm, 75mm, 85mm, and 100mm system platforms). Using heavy-duty structural mullion couplings, heavy corner posts (90° and variable angle couplers), and expansion adapters, oversized fixed vision panes can be coupled to tilt-and-turn, awning, sliding, or bifold door systems while maintaining coplanar interior/exterior sightlines. Our in-house structural engineers calculate internal mullion inertia moments (Ix and Iy) to ensure that the composite assembly withstands design wind pressures without visible framing deflection.
What is the structural difference between "direct glazed" fixed frames and "dummy sash" fixed windows?
In a direct-glazed fixed window, the insulated glass unit is installed directly into the outer perimeter master frame using specialized glass support setting blocks, interior glazing beads, and exterior EPDM gaskets. This delivers the slimmest possible profile width, maximizes daylight area, lowers unit weight, and achieves the highest thermal efficiency. In contrast, a dummy sash (fixed sash) incorporates an operable sash profile that is permanently fixed into the master frame. While dummy sashes match the visual framing sightline widths of adjacent operable windows for uniform exterior symmetry, they increase aluminum material consumption, add weight, and slightly reduce the glass-to-frame ratio. DERCHI manufactures both configurations based on architectural elevations.
How are wind load deflection limits (L/200, L/300) calculated for custom architectural fixed spans?
Under international structural codes (Eurocode 1, ASCE 7-16, and AS 1170.2), wind load deflection on perimeter framing mullions and glass lites must not exceed specific span ratios—typically L/200 for standard applications, L/300 for premium large-pane assemblies, or a maximum absolute deflection of 15mm to protect glass edge seals from shear failure. Our engineering department runs finite element analysis (FEA) on aluminum profile moment of inertia (Ix), glass thickness combinations (such as 8mm + 16Ar + 8mm or 10mm + 20Ar + 10mm tempered/laminated configurations), and anchor bracket spacings. We provide stamp-ready calculation reports for local municipal permitting and building control approval.
What surface treatment warranty options are available for hyper-saline coastal luxury resorts?
For oceanfront installations located within 500 meters of breaking surf, standard powder coatings are susceptible to filiform corrosion and blistering. DERCHI provides two elite finishing options certified under international testing regimes: Qualicoat Seaside-class pre-anodized powder coating (which combines a chemical flash-anodization pretreatment before electrostatically applying TGIC-free super-durable polyester) and AAMA 2605 certified Fluoropolymer PVDF coatings (incorporating 70% Kynar 500 resins with automated multi-coat priming, color coat, and clear protective topcoat). Both options carry written anti-chalking, anti-fading, and anti-corrosion warranties of 15 to 25 years.
What minimum project information is needed to issue a formal engineering quotation and shop drawings?
To provide an accurate FOB/CIF project quote within 24–48 hours, our export team requests: (1) Architectural window schedules or CAD elevations indicating rough opening (RO) dimensions (W × H); (2) Preferred thermal system (thermal break aluminum series 65/75/85/100); (3) Glazing configuration needs (e.g., double vs. triple glass, acoustic laminated requirements, Low-E specifications); (4) Surface finish preference (RAL color code, matte powder, or PVDF); and (5) Project site location or designated port of discharge (e.g., Santos, Callao, San Antonio, Rotterdam, Hamburg, Los Angeles, Sydney).

Engineer Your Facade with Direct Factory Expertise

Partner with Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) for your next commercial, luxury villa, or multi-family project. Access precision engineering, free CAD shop drawings, CE & AS2047 compliance, and dependable containerized ocean delivery.

Free CAD Shop Drawings Fast FOB / CIF Port Quotes Factory Direct 180,000㎡ Base

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