EN 14351-1 & EN 1627-1630 Standardized Engineering

CE Certified Aluminium Security Doors Manufacturer & Supplier

Architectural-grade intrusion resistance, thermal insulation, and bespoke fenestration engineered by Guangdong Dejiyoupin (DERCHI) for international commercial and high-end residential developments.

Engineered Fenestration Systems

High-Performance Architectural Security Portals & Windows

Explore our certified portfolio of heavy-duty thermal-break entrance systems, hurricane-rated French doors, and multi-chambered security windows engineered to European and international compliance standards.

French Style Aluminum Alloy Swing Front Entry Door AS2047 Double Glazed Hurricane Proof Entrance Door AS2047 & CE Certified
Structural Rating: N6 Impact

French Style Aluminum Alloy Swing Front Entry Door AS2047 Double Glazed Hurricane Proof Entrance Door

Engineered with high-tensile 6063-T6 aluminum profiles, structural glazing, and multi-point deadbolts to withstand extreme wind pressures and forced physical intrusion.

Aluminum Alloy Thermal Break Sliding Door Double Glazing Tempered Glass CE ISO9001 Certified Modern Design Thermal Break PA66
ISO9001 · Commercial Grade

Aluminum Alloy Thermal Break Sliding Door Double Glazing Tempered Glass CE ISO9001 Certified Modern Design Wine Cellar Hospital

Features polyamide insulating struts, acoustic-grade insulated glass units, and heavy-duty concealed bottom carriages for seamless architectural operation in specialized facilities.

China Manufacturer Swing Open Aluminium Glass French Doors Double Panel Exterior Aluminium Door for Patio Multi-Point Locking
Exterior Patio Series

China Manufacturer Swing Open Aluminium Glass French Doors Double Panel Exterior Aluminium Door for Patio

Double-panel perimeter-sealed aluminum door with integrated shoot-bolts, tamper-resistant hinge pins, and anti-lift structural blocks for upscale residential patios and villas.

Residential House Commercial Heavy Duty Thermal Break Sliding Door Aluminum Lift And Slide Patio Glass Door Lift & Slide 400KG
High-Span Architecture

Residential House Commercial Heavy Duty Thermal Break Sliding Door Aluminum Lift And Slide Patio Glass Door

Engineered for large glazed expanses with German-engineered hardware capable of carrying up to 400kg per sash while maintaining class-leading water tightness and low U-values.

Thermal Break Aluminum Window Profile Modern Aluminum Frame Window for Residential and Commercial Construction Multi-Chamber Profile
Structural Profiles

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

Precision-extruded structural profile systems incorporating thermal break barriers, multi-tier EPDM co-extruded gaskets, and internal reinforcement channels for commercial façades.

Modern Aluminum Alloy Sliding Windows Double Tempered Glazed Stainless Steel Screen Energy Star 304 Stainless Mesh
Energy Star Qualified

Modern Aluminum Alloy Sliding Windows Double Tempered Glazed Stainless Steel Screen Energy Star Qualified Exterior Kitchen

Integrated 0.8mm 304 marine-grade stainless steel security mesh providing anti-knife shear and insect protection alongside double-tempered argon-filled insulating glass.

DEEZON Hurricane Proof High Impact Black Aluminum Alloy Thin Profile Casement Window Impact Glass ASTM/CE
Thin Profile Casement

DEEZON Hurricane Proof High Impact Black Aluminum Alloy Thin Profile Aluminium Windows And Doors Casement Window S For USA

Engineered for extreme cyclonic conditions and high-security architectural envelopes, featuring SentryGlas interlayer laminates and structural silicone structural bonding.

Triple Glazed Aluminum Tilt Turn Window Sample Energy Efficient Extra Narrow Frame Passive House Ready
Triple Glazed Low-E

30% Discount Residential Energy Efficient Tilt Turn Windows Triple Glazed Extra Narrow Frame Aluminum Window Sample

Ultra-narrow sightline dual-action tilt-and-turn fenestration providing European RC2 security hardware, triple seal continuous barriers, and acoustic attenuation up to 45dB.

Technical Whitepaper

Engineering Paradigm: The Architecture of Certified Resistance

A rigorous examination of European normative standard EN 14351-1 and burglary resistance levels EN 1627 through EN 1630 for commercial and high-security architectural specifications.

In contemporary architectural engineering, the perimeter entrance is no longer a passive architectural element; it functions as a highly engineered structural barrier responsible for forced-entry mitigation, dynamic wind-load absorption, and strict thermodynamic regulation. Specifying CE Certified Aluminium Security Doors requires project directors, facade engineers, and institutional procurement teams to navigate beyond cosmetic finishes into the metallurgical and mechanical science governed by European harmonized standards.

The core framework for CE marking exterior pedestrian doorsets is mandated by EN 14351-1:2006+A2:2016. This norm evaluates critical characteristics including air permeability (EN 12207), water tightness under static pressure (EN 12208), resistance to wind load (EN 12210), acoustic performance (EN ISO 10140-2), and overall thermal transmittance (EN ISO 10077-1/-2). When heightened security is designated, compliance extends to EN 1627:2021 through EN 1630:2021, categorizing resistance classes from RC1N up to RC4 and RC5 based on resistance against opportunistic, targeted, and heavy mechanical intrusions.

6063-T6
Primary Extrusion Alloy
≤1.1W/m²K
Thermal Transmittance (Ud)
RC3/RC4
Intrusion Resistance Level
45dB
Acoustic Sound Transmission

To qualify under European resistance classification (RC3 / RC4), an aluminum entrance system must balance three critical assemblies: the alloy metallurgy & profile chamber geometry, the kinetic multipoint lockwork, and the glass/infill structural retention matrix. Standard commercial profiles flex and delaminate under dynamic mechanical loads. In contrast, Guangdong Dejiyoupin (DERCHI) utilizes primary 6063-T6 or 6061-T6 aluminum alloys extruded with wall thicknesses exceeding 2.5mm to 3.0mm, augmented with internal structural web bridges and 25% glass-fiber reinforced polyamide (PA66 GF25) thermal breaks that eliminate cold bridging without compromising torsional stiffness.

Resistance Class Test Norm & Attack Tools Static Pressure Resistance Dynamic Impact (Pendulum) Typical Architectural Application
RC1N / RC2 EN 1628-1630 (Screwdrivers, pliers, wedges, 3 min contact) 1.5 kN – 3.0 kN 50 kg drop mass (Steel/lead shot bag) Standard multi-family residences, internal office perimeters
RC3 (Recommended) EN 1630 (Crowbars, claw hammers, cold chisels, 5 min contact) 6.0 kN concentrated load 50 kg pendulum drop from 750mm height Luxury villas, high-value commercial properties, embassies
RC4 (High Security) EN 1630 (Heavy hammers, axes, drills, plate shears, 10 min contact) 10.0 kN concentrated load Repeated high-kinetic drop mass impacts Banking institutions, data hubs, government buildings
Cyclone / AS2047 N6 AS/NZS 4420 (Debris projectile, cyclic wind pressure >4500Pa) Custom structural wind load >6.0 kPa 4.0 kg timber missile @ 15 m/s Coastal cyclone belts, oceanfront estates, offshore platforms
Market Intelligence & Sourcing Trends

Next-Generation Procurement: The 2025–2030 Technology Roadmap

How decarbonization mandates, smart IoT access ecosystems, and ultra-narrow biophilic architecture are fundamentally transforming global commercial security door procurement.

Circular Metallurgy & Low-Carbon Billets

Global developers adhering to LEED v4.1, BREEAM, and EU CBAM tariffs increasingly specify aluminum extruded using renewable hydropower with recycled post-consumer scrap, drastically reducing embodied carbon from 18 kg CO₂/kg Al to below 4.0 kg CO₂/kg Al.

IoT-Connected Mechatronic Locking

Mechanical keys are giving way to CE-compliant electronic multi-point locksets featuring motor-driven deadbolts, biometrics, mobile NFC credentials, and integration into Building Management Systems (BMS) with encrypted audit logging and emergency failsafe egress.

Biophilic Ultra-Slim Sightlines

Architects demand oversized pivot openings (exceeding 3.5m in height and 2.0m in width) with minimal visible perimeter framing. Engineering these installations demands aircraft-grade internal steel sub-frames and hydraulic pivot bearings supporting up to 800kg operating loads.

Multi-Threat Hybrid Resistance

Modern commercial specifications no longer isolate forced entry from climatic disasters. Sourcing focuses on hybrid systems uniting EN 1627 RC3 intrusion defense with EN 12211 wind load resistance, UL 10C 90-minute fire ratings, and ballistic protection (EN 1522 FB4/FB6).

Consolidated Container Procurement

Tier-1 contractors are shifting away from fragmented multi-vendor procurement toward integrated supply chains, packaging entry doors, lift-and-slide glass walls, fire-rated pivot systems, and interior architectural joinery from a single verified manufacturing powerhouse.

Digital BIM & Digital Twin Traceability

Specification workflows require manufacturers to supply verified Revit/IFC BIM files embedded with physical test reports, acoustic coefficients, thermal U-values, and QR-coded digital factory birth certificates ensuring customs and building inspector transparency.

Enterprise Manufacturing Authority

Guangdong Dejiyoupin (DERCHI): Foshan's Premier Manufacturing Base

Combining 25+ years of fenestration engineering, a 180,000㎡ intelligent production base, and international export leadership across North America, Europe, Australia, and South America.

180,000㎡ Integrated Facility

Headquartered in Foshan, China's core aluminum manufacturing cluster, our industrial campus houses aluminum profile extrusion, thermal break assembly, CNC 5-axis precision machining, fluorocarbon coating lines, and automated glass lamination under one roof.

600+ Skilled Craftsmen & Engineers

Supported by more than 60 in-house facade structural engineers, R&D specialists, and QA inspectors who oversee strict ISO9001 production protocols and generate complimentary detailed CAD shop drawings for every bespoke project.

100+ Patents & Global Certifications

Our solutions hold 8 major international testing credentials, including CE marking (EN 14351-1), Australia AS2047 (N6 cyclone rating), ISO9001, FCC, and RoHS, supported by over 30 utility model and proprietary industrial appearance design patents.

German-Standard Hardware Systems

We partner directly with leading European hardware engineering giants (including Siegenia, GU, and Hoppe) to integrate concealed three-dimensional adjustable heavy-duty hinges, automatic drop-down acoustic seals, and multi-point perimeter gearboxes.

Export-Crated Sea Freight Packaging

All architectural door slabs and frames are wrapped in anti-scratch protective films, sealed with water-resistant desiccant packaging, and crated in fumigated solid plywood cases engineered to withstand transoceanic container handling without distortion.

Time-Zone Aligned Engineering Support

Our international technical operations division provides 24-hour response times, offering remote video installation audits, shop drawing verifications, and dedicated project management aligned with your local business hours across Europe, the Americas, and APAC.

Procurement Due Diligence

Frequently Asked Questions: Sourcing & Compliance Specifications

Comprehensive engineering and logistical guidance addressing critical concerns of international general contractors, architects, and corporate buyers.

What specific test standards must an aluminium security door meet to achieve authentic CE marking under EU regulations?
Under Regulation (EU) No 305/2011 (Construction Products Regulation), exterior pedestrian doorsets must comply with harmonized standard EN 14351-1:2006+A2:2016. To legitimately affix the CE mark, the manufacturer must issue a Declaration of Performance (DoP) based on type testing (ITT) conducted by an accredited European notified body. These tests evaluate wind resistance (EN 12210, achieving up to Class C5), water tightness (EN 12208, up to Class 9A/Exx), air permeability (EN 12207, Class 4), thermal transmittance (EN ISO 10077-1, Ud values ≤ 1.1 W/m²K), and load-bearing capacity of safety devices. When forced-entry resistance is declared, compliance with EN 1627:2021 (RC2, RC3, or RC4) verified under dynamic impact (EN 1629) and manual tool attack (EN 1630) is mandatory.
How does Guangdong Dejiyoupin (DERCHI) prevent galvanic corrosion and surface fading in high-salinity coastal environments?
Coastal environments (such as littoral zones in Florida, the Mediterranean, or coastal South America) present severe challenges regarding chloride pitting and salt-fog corrosion. DERCHI utilizes primary virgin 6063-T6 aluminum alloys subjected to pre-treatment zirconium conversion baths followed by AkzoNobel or PPG architectural powder coatings meeting Qualicoat Class 2 or AAMA 2605 standards (PVDF/Fluorocarbon coating with 70% Kynar 500 resin). This process guarantees 10+ years of color retention and 3,000+ hours of salt-spray testing. To prevent galvanic corrosion, all hardware fasteners, lock keeps, and internal hinge pins are strictly specified in marine-grade 304 or 316 stainless steel with EPDM isolators between dissimilar metals.
What glass build-up is required to maintain RC3 and hurricane impact compliance without compromising thermal efficiency?
For security door installations requiring both burglary prevention (EN 356) and extreme weather resistance (AS2047 / ASTM E1886/E1996), standard tempered glass is insufficient. We engineer double or triple-glazed Insulated Glass Units (IGUs) incorporating an exterior 6mm or 8mm fully tempered pane, a 16mm warm-edge spacer filled with 90% argon gas, and an interior laminated pane featuring EN 356 P5A or P6B anti-bandit glass. This is constructed using dual layers of 4mm or 5mm glass bonded by a 1.52mm Kuraray SentryGlas (SG) or high-impact PVB structural interlayer. The entire glass unit is structurally bonded into the aluminum sash pocket using high-modulus silicone adhesive (Dow Corning 983) and reinforced aluminum security glazing beads pinned from the interior side.
Can DERCHI engineer custom oversized architectural pivot doors while retaining CE certification and airtightness?
Yes. Large architectural pivot doors (up to 4.0m in height and 2.2m in width) represent our core engineering specialty. Unlike standard hinged doors, oversized pivot slabs experience significant thermal warping and air infiltration if improperly designed. We employ heavy-gauge aerospace-grade aluminum extrusions combined with high-load floor-spring hydraulic pivot assemblies rated up to 800kg. To resolve air and water infiltration at the perimeter, our pivot systems integrate multi-tier continuous magnetic gasket seals and automatic drop-down mechanical thresholds that seal automatically upon closing, achieving verified Class 4 air permeability and Class 8A water tightness under European testing protocols.
What documentation and shop drawing approval processes are implemented before factory production commences?
Our engineering workflow leaves zero ambiguity for project managers. Upon receipt of your architectural door schedule and floor plans, our design team produces comprehensive 1:1 scale CAD shop drawings detailing rough opening dimensions, clear opening clearances, structural anchoring points, thermal break alignments, glass build-ups, and hardware routing. Production only begins once the client’s project architect or structural engineer reviews and stamps the signed shop drawings. During manufacturing, clients receive high-resolution photographic milestones, mill test certificates (MTC), and pre-shipment dimensional inspection videos.
How does DERCHI structure international shipping, Incoterms, and localized on-site installation guidance?
We provide full Incoterms flexibility including FOB Foshan/Shenzhen, CIF to your designated port of discharge (e.g., Rotterdam, Santos, Callao, Los Angeles, Sydney), or DDP directly to the project jobsite. Shipments are accompanied by custom-coded crating labels aligned with the master door schedule. While local union or commercial contractors handle physical on-site erection, DERCHI supplies comprehensive multilingual installation manuals, explode-view CAD schematics, and live video conferencing with our bilingual engineering team to assist installers during initial leveling, anchoring, and hardware calibration.
Engineering Support & Estimations

Request Engineering Consultation & Custom Tender Quotations

Connect directly with Guangdong Dejiyoupin’s senior fenestration facade engineers. Submit your architectural door schedules, CAD plans, or tender specifications for complimentary shop drawing development, thermal modeling calculations, and competitive factory-direct pricing within 24 hours.