Engineered Aluminum Double Front Door Models
Tested for European CE standards, Australian AS 2047 cyclonic parameters, and North American NFRC ratings. Manufactured with 6063-T6 thermal barrier profiles, multi-point robotic locking, and architectural custom double/triple safety glazing.
RICHOCEAN Hurricane Impact Aluminum Triple Glass French Double Doors
- Triple Tempered Laminated Glazing
- N6 High Wind / Impact Certified
Modern Commercial Storefront Door Glass Swing Entry Aluminium Door
- High-Traffic Overhead Closer Ready
- Narrow Stile Slimline Modern Sightlines
French Style Exterior Double Glass Waterproof Black Aluminum Swing Door
- Double Tempered Low-E Insulated Unit
- EPDM Continuous Double Gasket Seal
Factory Customized Thermal Double Glazing Aluminum Commercial Doors
- Polyamide PA66 GF25 Thermal Strut
- Custom RAL Colors / AkzoNobel Powder
Exterior Aluminum Double Glazed French Swing Door Residential Gate
- Multi-Point Interlocking Security Bolt
- Acoustic Rating Rw 38 dB Soundproofing
Commercial Storefront Tempered Glass Double Doors for Public Venues
- ADA Compliant Low Threshold Sill
- Heavy Duty Pivot & Dorma Hardware Opt.
Commercial Waterproof Double Glazed Storefront Aluminum Double Door
- 1,000,000 Cycle Tested Hardware
- Anodized Anti-Wear Finish 25 Microns
Heavy Duty Aluminum Double Exterior Security Door for Commercial & Villa
- RC3 Burglar Resistant EN 1627 Standard
- 3.0mm Extruded Heavy Wall Profile
Engineering Verification: CE Marking & Structural Fenestration Metrics
A rigorous B2B procurement standard for architects, facade consultants, and general contractors sourcing certified aluminum double entrance systems from China.
Harmonized Standard EN 14351-1: Mandatory Performance Attributes for Double Entry Doors
Procuring aluminum double front doors for the European Union, United Kingdom, Oceania, and high-specification global markets requires absolute adherence to standard EN 14351-1 (Windows and doors - Product standard, performance characteristics). CE marking is not merely an aesthetic stamp; it is a legally binding Declaration of Performance (DoP) confirming that the entire fenestration assembly—including the 6063-T6 virgin aluminum alloy frame, the polyamide thermal insulator, the secondary structural silicone seals, and the perimeter multi-point locking mechanism—has undergone Initial Type Testing (ITT) by an accredited third-party notified body.
For double-leaf configurations (French style or active/passive master-slave leaf systems), the meeting stile (astragal) represents the most critical thermal and mechanical junction. Under positive and negative wind load testing according to EN 12210, our assemblies withstand pressure ratings up to Class C5 (2000 Pa design wind pressure, with safety testing at 3000 Pa). Watertightness is rigorously tested under dynamic water spray and differential air pressure in compliance with EN 1027, achieving ratings up to Class 9A (600 Pa without water penetration), ensuring complete structural impermeability during severe coastal storms and typhoon-level events.
Thermal transmittance across the whole double door system (Uw) is optimized using continuous extruded PA66 GF25 (polyamide reinforced with 25% glass fiber) thermal break bars measuring between 24mm and 34mm in depth. In conjunction with warm-edge composite spacers (Swisspacer Ultimate or Technoform) and argon gas-filled (90% purity) double- or triple-pane Low-E insulated glazing units, our aluminum double doors achieve overall Uw values down to 0.85 W/m²K, satisfying Passivhaus building standards and the strict energy conservation mandates of the EU EPBD (Energy Performance of Buildings Directive).
| Test Parameter | Standard | Factory Specification Value | Architectural Significance |
|---|---|---|---|
| Air Permeability | EN 1026 / EN 12207 | Class 4 (600 Pa, < 3 m³/h·m²) | Eliminates draft air infiltration, optimizes HVAC thermal loads |
| Watertightness | EN 1027 / EN 12208 | Class E900 (Up to 900 Pa) | Prevents moisture damage in high-exposure typhoon/storm zones |
| Wind Resistance | EN 12210 / AS 2047 | Class C5 / N6 Rating (> 3000 Pa) | Ensures zero deflection or structural failure on exposed coastlines |
| Thermal Transmittance | EN ISO 10077-1/-2 | Uw = 0.85 to 1.30 W/(m²·K) | Reduces building carbon footprints and energy heating/cooling bills |
| Acoustic Attenuation | EN ISO 717-1 | Rw (C; Ctr) = 38 dB to 44 dB | Isolates exterior urban sound, street traffic, and mechanical rumble |
| Burglar Resistance | EN 1627 - EN 1630 | Class RC2 / RC3 Certified | High-security multi-point locking against crowbar/drilling attacks |
Structural 6063-T6 Alloys
Fabricated using primary 6063-T6 and 6061-T6 architectural grade aluminum extrusions with minimum wall thickness of 2.0mm to 3.0mm for immense torsional stability and hinge load capacities up to 350 kg per leaf.
Polyamide Thermal Barriers
German-engineered PA66 GF25 isolators mechanically crimped with knurled profile slots, eliminating the direct thermal conductivity bridge between indoor and outdoor structural aluminum framework.
Qualicoat Seaside Finishes
Electrostatic fluorocarbon (PVDF) and AkzoNobel Interpon architectural powder coatings applied under Qualicoat Seaside Class 2 protocols, resisting 3,000+ hours of continuous neutral salt spray testing.
Multi-Point Locking Matrix
German Siegenia or Roto automatic multi-point deadbolts with anti-lift security pins and hardened steel shoots, guaranteeing unified perimeter gasket compression and anti-jemmy resistance.
Future Sourcing & Architectural Fenestration Trends (2025–2030)
How stringent carbon neutrality policies, smart building integration, and oversized architectural openings are transforming commercial and residential double front door procurement.
Passivhaus & Zero-Carbon Envelope Mandates
Global building codes (such as UK Future Homes Standard 2025 and updated EU EPBD) are enforcing whole-door thermal transmittance limits below Uw = 1.0 W/m²K. Developers and commercial builders are actively phasing out uninsulated aluminum profiles in favor of multi-chambered thermal barriers with aerogel or polyurethane core foam inserts, alongside triple Low-E argon-injected IGU panes with Warm-Edge spacers. Sourcing certified thermal break double doors is now essential for BREEAM and LEED certified buildings.
Concealed Smart Access & Mechatronic Locks
Mechanical cylinder locks are rapidly transitioning to integrated mechatronic access control ecosystems. Architects are specifying aluminum double front doors with pre-milled wiring raceways for motorized multi-point locks, concealed magnetic reed sensors, flush biometric fingerprint scanners, and motorized emergency egress bars. Smart access systems integrate seamlessly into KNX or BACnet building automation protocols without compromising CE Class RC3 burglar ratings.
Monolithic Pivot Doors & Flush Floor Trackless Sills
The demand for grand, oversized double entrances exceeding 3.0 meters in height has driven innovation in heavy-duty concealed bottom pivot mechanisms and flush barrier-free ADA magnetic drop-down drop seals. Rather than conventional visible frame hinges, high-end residential estates specify floor-bearing pivot double entrance doors with integrated hydraulic dampeners, magnetic acoustic perimeter weatherstrips, and clean, frameless architectural glass sightlines.
Integrated Production Base
Years Engineering Pedigree
Patents & Global Test Certs
Skilled Fabrication Techs
Why Tier-1 Contractors & Architects Partner With DERCHI
Direct manufacturing transparency from Foshan, Guangdong. Complete vertical control over extrusion CNC machining, corner crimping, automated glass sealing, and crating logistics.
Industrial-Scale Precision with Custom Craftsmanship
Recognized among the Top 10 fenestration enterprises in China, Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates over 180,000 square meters of high-tech production infrastructure. We eliminate intermediary broker markups, offering developers, commercial general contractors, and door distributors direct factory engineering access, guaranteed production scheduling, and single-source accountability.
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Certified Compliance Documentation: Complete structural testing packages including CE EN 14351-1, Australian AS 2047 (N6 cyclone rated), ISO 9001 quality audits, and UL fire test data delivered with every consignment.
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Free BIM & CAD Shop Drawings: In-house structural engineering drafting teams provide comprehensive 2D CAD architectural section drawings and 3D BIM (Revit) objects matched directly to your door schedule within 48 hours.
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Export Plywood Crating & Global Logistics: Complete export-grade fumigated plywood casing with internal corner air cushioning, EPE foam wrapping, and moisture desiccants suited for FCL and LCL container sea transport worldwide.
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Fluent English Engineering Consultation: Project managers operate aligned with European, Australian (AEST), and North American time zones for rapid drawing sign-offs, live production video updates, and technical coordination.
Frequently Asked Questions: Aluminum Double Front Door Sourcing
Direct technical answers addressing certification validity, thermal performance calculations, shipping procedures, and installation coordination for overseas engineering buyers.
How do you authenticate and verify CE certification for imported doors?
Every CE-certified aluminum double front door system we export is backed by an authentic Declaration of Performance (DoP) under standard EN 14351-1. The DoP lists the designated Notified Laboratory testing body identification number, essential characteristic ratings (air permeability, water tightness, wind resistance, and thermal transmittance), and factory production control (FPC) audit documentation according to ISO 9001. This ensures your local building control authority or municipality certifier approves the installation without delays.
What is the thermal transmittance (Uw value) capability of your double door systems?
Depending on your climatic zone and building energy classification, our aluminum double doors can be engineered across a thermal performance spectrum from standard commercial Uw = 1.6 W/m²K down to passive-grade Uw = 0.85 W/m²K. We achieve this through 24mm to 34mm PA66 GF25 thermal breaks, argon gas cavity filling (90%), dual low-emissivity coating matrices, and Swiss composite warm-edge spacers that eliminate cold bridging along glass edges.
Can aluminum double entrance doors withstand oceanfront marine environments?
Yes. For coastal properties exposed to salt-laden airborne chloride and severe ultraviolet radiation, we apply Qualicoat Class 2 / Seaside certified architectural powder coatings or 25-micron anodized surface finishes. We exclusively specify A4 (AISI 316) marine-grade stainless steel hardware fasteners, hinges, and lock cylinders to eliminate galvanic corrosion and surface pitting permanently.
What custom sizing, threshold, and hardware options are available?
Every entrance system is 100% custom fabricated to the millimeter. Double door openings up to 3.2 meters in height and 2.6 meters in combined width can be accommodated using reinforced heavy-wall jambs and high-capacity 3D adjustable concealed or barrel hinges. Sills range from heavy-duty rebated weather thresholds for maximum storm resistance to barrier-free, ADA-compliant low sills and concealed magnetic drop-down seals for seamless flooring transitions.
What is the production lead time and international ocean freight schedule?
Standard factory production lead time is 25 to 35 calendar days following client sign-off on the technical CAD shop drawings and color sample verification. Ocean shipping transit typically requires 14–22 days to Australian and New Zealand main ports (Sydney, Melbourne, Auckland), 25–30 days to the US West Coast, and 30–38 days to European core ports (Rotterdam, Hamburg, Felixstowe). Express sea freight and door-to-jobsite delivery services are fully supported.
How do you ensure zero damage during multi-modal ocean transportation?
Doors are packed using our industrial four-stage export protective packaging protocol: protective peelable film on all extruded surfaces, closed-cell corner guards, moisture-resistant heat-shrink wrapping, and final crating inside heavy-duty, fully enclosed fumigated plywood boxes with structural internal steel skids. Every crate is fitted with tilt and shock sensors to guarantee your door arrives on site in flawless installation condition.