AS2047 Multi Large Swing Glass Sliding Window Frame With Mosquito Net
Engineered with polyamide PA66 thermal breaks, double-pane Low-E insulated glass, and stainless flyscreen integration.
180,000㎡
Advanced Production Base
AS2047 / CE
Dual Certified Compliance
600+
Skilled Technical Personnel
30+
Patents & Fenestration IP
Standardized & Custom Systems
High-Performance Architectural Windows & Opening Assemblies
Engineered to exceed EN 14351-1 European CE standards, Australian AS 2047 criteria, and NFRC thermal performance directives. Designed for airtight sealing, acoustic attenuation, and thermal separation.
Modern 4-Panel Aluminium Bifold Window Frame With Stainless Netting
Precision horizontal accordion track layout, concealed multi-point gearboxes, and flush sill perimeter drainage channels.
Commercial Vertical Folding Gas-Strut Accordion Bifold Window
Counterbalanced gas-strut lift hardware designed for hospitality serveries, cafes, and open-plan architectural villas.
North American NFRC Acoustic Accordion Double Glazed Folding Patio Doors
Heavy-duty structural extrusion profile reaching STC 42 acoustic rating with high-performance vulcanized EPDM gaskets.
Structural Aluminum Honeycomb EMI/RFI Shielding Specialized Panels
Transit-grade cellular honeycomb core infill ensuring extreme structural flatness, fire ratings, and electromagnetic shielding.
Low-E CE Certified Hurricane Impact Structural Sliding Window
Tested for high-velocity hurricane zones (HVHZ); features multi-chambered 6063-T6 aluminum and SGP laminated interlayers.
Architectural Geometric Arch Double Glazed Soundproof Casement System
CNC stretch-curved thermal break framework pairing historic curved aesthetics with advanced modern European tilt-and-turn hardware.
Engineered Heavy Security Front Entry Door With Thermal Glazing
Combines anti-intrusion structural anchoring, dual weather-stripping barriers, and custom high-security multipoint locks.
Technical Specifications of CE Certified Openable Aluminum Systems
In modern architectural fenestration, the specification of CE Certified Aluminum Openable Windows requires strict adherence to European Harmonized Standards (EN 14351-1: Windows and Doors Product Standard). Aluminum casement, tilt-and-turn, and parallel-opening windows serve as dynamic structural enclosures. To prevent building envelope energy bleed, structural deformation under wind load, and moisture penetration during cyclonic precipitation, fenestration products must deliver certified structural metrics.
1. Structural Alloy Metallurgy and Thermal Core Engineering
Standard architectural fenestration relies on extruded aluminum profiles manufactured from alloy EN AW-6063-T6 or 6061-T6. The temper cycle ensures an ultimate tensile strength exceeding 205 MPa. To comply with tightening regional energy codes (such as the EU Energy Performance of Buildings Directive EPBD and the Gulf Cooperation Council Estidama/Sa'fat regulations), structural framing integrates low-conductivity polyamide insulating strips (PA66 GF25 reinforced with 25% fiberglass). These structural breaks mechanically isolate the exterior aluminum skin from the interior climate envelope, bringing frame thermal conductivity (Uf) down from a monolithic 7.0 W/(m²·K) to below 1.3 W/(m²·K).
| Performance Criterion | Test Standard | Certified Performance Level | Engineering Impact |
|---|---|---|---|
| Air Permeability | EN 1026 / EN 12207 | Class 4 (600 Pa) | Minimizes involuntary infiltration; supports Passive House ratings. |
| Water Tightness | EN 1027 / EN 12208 | Class E900 (900 Pa Static) | Prevents perimeter leakage during tropical wind-driven rainstorms. |
| Wind Load Resistance | EN 12211 / EN 12210 | Class C5 / B5 (2000 Pa design) | Ensures high-rise structural deflection does not exceed L/300. |
| Acoustic Attenuation | EN ISO 10140-2 | Rw (C; Ctr) = 38 dB to 48 dB | Dampens ambient urban low-frequency transportation harmonics. |
| Thermal Transmittance (Uw) | EN ISO 10077-1/-2 | 0.8 to 1.4 W/(m²·K) | Reduces central HVAC operational chiller cooling and heating demands. |
2. Mechanical Hardware Dynamics & Multi-Point Locking Architectures
An openable window system depends directly on the durability of its perimeter operational mechanics. CE and AS2047 compliant systems utilize perimeter shoot-bolt gearboxes, concealed heavy-duty friction hinges, and hardened stainless steel pivot retainers. Inward tilt-and-turn window gearings allow dual-purpose operation: a tilted upper perimeter gap for draft-free micro-ventilation, combined with a full 90° inward swing for safe interior maintenance. Vulcanized continuous EPDM central gaskets ensure unbroken peripheral seals, eliminating capillary moisture suction caused by external wind pressures.
Industry Foresight 2026–2030
Procurement Evolution & Next-Gen Fenestration Trends
Architects, facade engineers, and tier-one general contractors are reshaping international supply chains. Here are three core trends redefining commercial aluminum window procurement.
1. Decarbonized Low-Carbon Aluminum
Global developers now demand Environmental Product Declarations (EPDs). Sourcing recycled post-consumer aluminum profiles cast via hydro-powered smelting lowers embodied carbon from 18 kg CO₂/kg down to under 4 kg CO₂/kg of extruded aluminum profile.
2. Structural Windload & Seismic Integrity
Super-tall towers and coastal hurricane projects demand unified mullion reinforcements with high-grade steel splines. Fenestration systems must resist cycling load stress without seal fatigue or glass frame dislodgement during extreme seismic events.
3. Factory-Assembled Prefabrication
To eliminate on-site glazing errors, procurement contracts require unitized or pre-glazed knocked-down (CKD/SKD) modules assembled under ISO-controlled tolerances, delivering true plug-and-play installation for field contractors.
Industrial Factory Authority
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI)
Operating a modernized, digitally integrated 180,000㎡ manufacturing base in Foshan, Guangdong, DERCHI is ranked among the Top 10 high-end door and window architectural brands in China. Over 25+ years of engineering discipline, our plants have perfected the production of high-end structural aluminum windows, oversized pivot doors, curtain wall modules, and thermally broken casement systems.
- Full In-House Machining: CNC precision cutting, automatic corner-crimping, automated powder-coating, and dual-compound gasket assembly lines.
- Global Certification Portfolio: Certified compliance under CE (EN 14351-1), Australian AS 2047, North American NFRC, ISO 9001, and UL fire-rated standards.
- Global Footprint: Trusted by premier property developers across the UAE, Saudi Arabia, Australia, the United States, Canada, and Southeast Asia.
Procurement Clarity
Frequently Asked Questions on Fenestration Procurement
Direct technical answers addressing certification standards, thermal mechanics, packaging integrity, and custom fabrication.
What specific test documentation verifies CE Certification for aluminum windows?
Legitimate CE certification requires Initial Type Testing (ITT) conducted by an accredited third-party notified body per EN 14351-1. The manufacturer must supply an authentic Declaration of Performance (DoP) referencing verified ratings for Air Permeability (EN 12207), Water Resistance (EN 12208), Wind Load Deflection (EN 12210), and calculated Uw thermal values per EN ISO 10077-1.
How does profile thermal breaking prevent condensation in high-temperature differential climates?
In environments like the Gulf region (where exterior heat hits 50°C against 22°C conditioned interiors), monolithic aluminum creates a thermal bridge that triggers interior surface condensation and drywall mold. A 24mm to 34mm PA66 GF25 polyamide thermal isolator decouples heat transfer across the frame, keeping interior frame faces dry and significantly reducing HVAC energy consumption.
What surface treatment ensures aluminum window profiles resist coastal saline corrosion?
For coastal installations exposed to marine salt fog and humidity, profiles must undergo chemical pre-treatment (such as zirconium-based conversion) followed by either architectural-grade powder coating verified to Qualicoat Class 2 standards (fluorocarbon PVDF 3-coat system) or Class 20/25 anodization (20–25 microns thickness). This finish prevents filiform and pitting corrosion on exposed frames.
Can DERCHI manufacture oversized, curved, or non-standard geometrical openable systems?
Yes. Our in-house engineering team uses 5-axis CNC machining, structural stretch-bending processes, and finite element modeling (FEM) to support specialized geometries—including Gothic arches, pivot vents, and complex multi-panel configurations. We supply structural calculations and shop drawings for consultant approvals before extrusion cutting begins.
How are glazed window shipments packed to ensure zero damage across long-distance sea freight?
Every product goes through four protective layers: anti-scratch film wrap on all exposed aluminum profiles, high-density shock-absorbing corner pads, shrink film wrapping, and fully enclosed export-grade plywood crates treated per IPPC ISPM 15 standards. Interior steel strapping prevents cargo shift inside sea containers during ocean transit.
Connect With Fenestration Structural Engineers
Send your window schedules, CAD elevations, or tender specifications. Our technical department delivers shop drawings, static load calculations, and competitive pricing within 24 hours.