Precision Fenestration Systems
Featured Architectural Door & Window Solutions
Manufactured in our 180,000 m² smart fabrication base under certified ISO 9001 and CE factory production controls (FPC), each system couples aerodynamic structural stability with refined modern aesthetics.
Heavy-Duty Sliding
OUNA Modern Exterior Heavy-Duty Commercial Sliding Doors
Thermal Break Swing
RG60C Thermal Insulation Side Opening Swing Entry Door
Engineering Specifications
Structural Physics & Compliance of CE Marked Swing Doors
An in-depth architectural breakdown on meeting European Standard EN 14351-1 for external pedestrian doorsets, addressing wind load deflection, hydrothermal barrier stability, and acoustic attenuation.
Alloy Extrusion & Thermal Physics
Fabricated using prime 6063-T5/T6 architectural aluminum alloy with a nominal wall thickness of 2.0mm to 3.0mm. Profiles incorporate 24mm to 34mm polyamide (PA66 GF25) reinforced thermal breaks, mitigating cold bridging and lowering overall U-values significantly.
- Tensile Strength: ≥ 205 MPa
- Polyamide Composition: PA66 + 25% Glass Fiber
- Thermal Insulation (Uw): Down to 1.1 W/(m²·K)
Hermetic Sealing & Water Barrier
Continuous co-extruded EPDM vulcanized sealing gaskets deliver airtight seals under dynamic pressure. Multi-stage pressure equalization chambers channel wind-driven rain outwards via concealed sub-sill drainage slots, preventing interior ingress under storm conditions.
- Air Permeability: EN 12207 Class 4
- Water Tightness: EN 12208 Class 9A (600 Pa)
- Gasket Durability: ISO 3934 Certified
Kinematics & Multi-Point Security
High-load concealed multi-axis pivot mechanisms and 3D adjustable heavy-duty butt hinges support leaf weights exceeding 350 kg. Integrated European multi-point security locking bolts provide superior anti-crowbar resistance meeting strict anti-intruder standards.
- Burglary Resistance: EN 1627-1630 RC2 / RC3
- Operating Cycles: EN 1191 200,000+ Cycles
- Hinge Adjustment: 3D Independent Axis (±3mm)
| Performance Characteristic | Standard Market Commercial Swing Doors | DERCHI CE Certified Aluminium Glass Swing Doors | Relevant Test Standard |
|---|---|---|---|
| Alloy Composition & Treatment | Recycled aluminum scrap, unregulated wall (1.2–1.4mm) | Primary 6063-T6 virgin billets, 2.0mm–3.0mm uniform extrusion | EN 573-3 / EN 755-2 |
| Thermal Barrier Integrity | Uninsulated or PVC conductive strip insert | Multi-chamber PA66 GF25 polyamide thermal break bars | EN ISO 10077-2 |
| Glazing Specification | Standard single float or uncertified double glass | Tempered/Laminated Low-E + Argon gas + Swisspacer warm-edge | EN 1279 / EN 12150 |
| Acoustic Attenuation (Rw) | 22 dB to 28 dB (High ambient road noise transmission) | Up to 42 dB – 45 dB with acoustic acoustic PVB laminated IGU | EN ISO 10140-2 |
| Wind Load Resistance | Class 2 (Deformation under storm conditions) | Class C5 / AS 2047 N6 Cyclone Proven (≥ 3000 Pa design load) | EN 12210 / AS 2047 |
| Hardware & Surface Warranty | Generic hardware, 1-2 years finish lifespan | Qualicoat Class 2 / PVDF 3-coat (20+ yrs) + Sobinco/Hoppe/Siegenia hardware | Qualicoat / AAMA 2605 |
Market & Procurement Intelligence
Strategic Procurement Trends for Global Facade Contractors
How regulatory shifts, net-zero mandates, and smart building integration are altering supply chain criteria for aluminum swing doors across Europe, North America, Australia, and the Middle East.
Decarbonization
Low-Carbon Recycled Aluminum & EPD Transparency
Global architectural tenders increasingly mandate Environmental Product Declarations (EPDs) demonstrating embodied carbon below 4.0 kg CO2e/kg aluminum. Commercial developers prioritize suppliers using green hydropower smelted aluminum, closed-loop scrap recovery, and cradle-to-cradle certified extrusion methods to meet LEED v4.1 and BREEAM sustainability targets.
Architectural Form
Minimalist Sightlines with Oversized Leaf Geometries
The contemporary luxury residential and hospitality sectors demand panoramic expanses with floor-to-ceiling leaves reaching heights over 3.5 meters. Procurement is shifting towards concealed jamb frames, hidden hinges, and integrated glass-to-edge flush designs that maximize visual transparency without sacrificing structural deflection limits under high velocity winds.
Smart Building
Seamless Biometric & Building Automation Integration
Modern swing doors must function as secure, intelligent gateways. Enterprise buyers specify factory-integrated electromagnetic multi-locking systems, automated electric concealed swing actuators, concealed cable transitions (ribbon conduits), and biometric access units (facial recognition/RFID) compatible with BACnet and KNX building automation protocols.
Technological Innovation
Engineering Evolution: From Utility Openings to High-Performance Envelopes
The technological evolution of aluminum swing doors reflects breakthroughs in metallurgy, nanocoatings, and multi-axis CNC fabrication.
Vacuum Insulated Glass (VIG) Integration
Pioneering the synthesis of ultra-thin Vacuum Insulated Glass within thermal-break swing profiles achieves center-of-glass U-values as low as 0.45 W/(m²·K). This reduces profile bulk while delivering insulation comparable to solid masonry walls.
Nano-Fluorocarbon PVDF Coatings
Surface finishing has transitioned from conventional powder coating to multi-coat PVDF and specialized sea-side anodizing conforming to AAMA 2605. These hyper-durable finishes resist salt-spray corrosion beyond 4,000 hours, making them ideal for coastal resorts and urban high-rises.
Acoustic PVB Multi-Lamination
Incorporating asymmetric glass make-ups (e.g., 6mm Low-E + 16Ar + 4mm + 0.76mm Sound-Acoustic PVB + 4mm) eliminates coincident frequency resonance, isolating critical interior environments such as executive boardrooms, luxury villas, and sound studios from urban exterior noise.
Industrial Scale & Supply Reliability
Why Tier-1 Contractors Partner with Guangdong Dejiyoupin (DERCHI)
Ranked among China's Top 10 premium architectural window and door manufacturers, our 180,000 m² automated production facility in Foshan combines German CNC precision milling, fully automated IGU lines, and integrated global project logistics.
Full In-House Industrial Chain
From aluminum extrusion aging and PA66 crimping to automated glass double-glazing and hardware assembly, full vertical integration eliminates tier-2 subcontractor delays and guarantees end-to-end quality control.
Rigorous Testing & Certifications
Backed by official CE certification according to EN 14351-1, ISO 9001, AS 2047 (Australian N6 Cyclone Proven), and UL Fire-rated test verifications. Full test certificates and declarations of performance are provided with every consignment.
Bespoke CAD / BIM Engineering
Our dedicated R&D engineering office provides comprehensive shop drawings, structural wind-deflection calculations, BIM Revit families, and corner mock-up samples for design consultants, architects, and facade contractors.
Reinforced Seaworthy Crating
Export packaging features protective surface PE film, multi-layer closed-cell EPE foam edging, and heat-treated solid fumigated plywood crates with integrated desiccant packs, ensuring zero distortion and moisture damage during ocean transit.
Procurement Due Diligence
Frequently Asked Technical & Procurement Questions
Direct, transparent answers addressing regulatory testing, hardware loads, delivery logistics, and custom fabrication parameters.
Q How do your aluminum swing doors verify compliance with the European CE Mark?
Our swing door systems are tested under European Standard EN 14351-1 (Windows and Doors - Product Standard, Performance Characteristics). We provide Notified Body Type Test Reports covering air permeability (EN 12207 Class 4), water tightness (EN 12208 Class 9A), wind resistance (EN 12210 Class C5), and acoustic insulation. Every commercial shipment is accompanied by a formal Declaration of Performance (DoP) matching the specific project bill of materials.
Q What thermal break technology is used to prevent condensation in extreme climates?
We use precision mechanical crimping with genuine Technoform or equivalent PA66 GF25 polyamide thermal barriers (with 25% reinforced fiberglass). Unlike cheap rolled PVC strips that degrade and crack over temperature shifts, our thermal break bars maintain structural shear modulus from -40°C to +100°C, preventing profile deflection, thermal bowing, and internal perimeter condensation.
Q What hardware configurations are offered for high-traffic commercial swing doors?
For high-frequency commercial entrances (airports, hotels, retail pavilions), we integrate heavy-duty pivot systems or surface-mounted 3D adjustable continuous hinges rated for up to 400 kg leaf weight. Hardware options include concealed door closers with hold-open dampers (Dorma/Geze), anti-panic exit push bars (EN 1125), and European multi-point automatic deadbolt locks from Siegenia, Sobinco, or GU.
Q What is the production lead time for custom project sizes and finishes?
Standard architectural powder-coated orders typically require 25 to 35 calendar days from signed CAD shop drawings and deposit confirmation. Specialized PVDF finishes, custom anodized metallics, or oversized double-glazed laminate make-ups (e.g., Low-iron SentryGlas) run on a 35 to 45 day production cycle. Expedited batch runs are available for multi-phase commercial projects.
Q How do you prevent marine-grade salt corrosion on projects situated on coastlines?
For coastal installations across Australia, the Mediterranean, South Asia, and the Caribbean, we apply Qualicoat Seaside certified powder coatings or three-coat PVDF (Polyvinylidene Fluoride) coatings compliant with AAMA 2605. These finishes are pretreated with non-chromate titanium-zirconium conversion layers, yielding corrosion resistance exceeding 4,000 hours of continuous neutral salt spray testing.
Q What export shipping terms, container loading, and site installation support are provided?
We export under Incoterms including FOB, CIF, CFR, and DDP to global gateway ports (e.g., Rotterdam, Hamburg, Los Angeles, Sydney, Nhava Sheva, Jebel Ali). Doors are pre-hung and bench-tested before being packed in numbered, ISPM-15 compliant crates. Each delivery includes step-by-step structural anchoring guides, CAD section details, and remote video technical support for site contractors.