Yilin Slim Frameless Aluminium Casement Windows
Slim Profile
Anodized 6063-T5
EPDM Gaskets
Product Specs
180,000㎡
Lean Production Base
AS2047
N6 Ultimate Structural Load
600+
Certified Technicians
100+
Global Patents & Testing Approvals
Architectural Hardware Catalog
High-Performance Aluminum fenestration & Door Systems
Engineered for high wind load resistance, thermal breaking continuity, acoustic isolation, and seamless large-span integration.
RG50 Soundproof Double Glass Aluminum Casement Door
Double Tempered
Rw 38dB Acoustic
Concealed Hinges
Product Specs
Exterior Double Glazed Bifold Kitchen Window
Top-Hung Stacking
Heavy Duty Rollers
Dual Seal
Product Specs
Insulated Automatic Overhead Roller Shutter Door
PU Foam Filled
Remote Operator
Windbreak Profile
Product Specs
ZEKIN Heavy Security Cast Aluminum Pivot Door
Solid Cast Plate
Heavy Pivot Hinge
Back-Painted Glass
Product Specs
Alucasa Solid Wood Composite Aluminum Pivot Door
Solid Hardwood
Structural Armor
Weather Sealing
Product Specs
Architectural Whitepaper
Engineering Principles of OEM/ODM Aluminum Stacking Windows
Aluminium stacking windows (multidirectional multi-sash sliding & parking systems) represent a pinnacle in architectural envelope engineering. Unlike traditional horizontal sliding windows, multi-track stacking systems allow panels to telescope and rest compactly against one or both sides of an aperture, achieving clear openings exceeding 75% to 85% of total structural frame width. Fabricating these units requires uncompromising structural rigidity, strict tolerances in profile extrusion, and tailored weatherproofing solutions.
At our Guangdong manufacturing complex, production relies on primary 6063-T5 and 6063-T6 architectural-grade aluminum alloys, with wall thicknesses calibrated between 1.6mm and 3.0mm depending on local wind load and seismic conditions. Our internal R&D utilizes multi-chambered polyamide (PA66 GF25) thermal insulation strips, effectively severing thermal bridging between exterior and interior profile planes. This achieves overall frame thermal transmittance (U-factor) performance ratings as low as 1.4 W/m²K when combined with argon-filled, warm-edge insulated glass units (IGUs).
For large-scale international infrastructure, residential compounds, and commercial hospitality developments, precision drainage and deflection control dictate performance. Sub-sill profiles incorporate multi-tiered baffled drainage channels that evacuate water under dynamic wind-driven rain scenarios without compromising the air-tightness rating. Heavy-load dual stainless steel rollers with precision sealed bearings guarantee operating force parameters under 20 Newtons, even when panel weights surpass 250 kilograms.
| Engineering Attribute | Standard Commercial Grade | DERCHI Industrial Specification | Verified Testing Metric |
|---|---|---|---|
| Alloy Metallurgy & Purity | Recycled or Mixed 6063-T5 | Primary 6063-T6 Ingot Matrix | Tensile Yield ≥ 170 MPa |
| Structural Deflection | L/175 Serviceability Limit | L/250 to L/300 Reinforced Transoms | AS2047 N6 Cyclonic / ASTM E330 |
| Acoustic Damping (Rw) | 28 dB – 32 dB | 38 dB – 46 dB (Laminated / Cavity Fill) | ISO 10140-2 Laboratory Proven |
| Corner Assembly Integrity | Mechanical Screws Only | Cast Corner Cleats + Epoxy Injected Crimping | Zero Corner Delamination |
| Surface Corrosion Defense | Standard Powder Coating (40μm) | AAMA 2605 PVDF Fluorocarbon (≥75μm) | ASTM B117 4,000-Hour Salt Spray |
Macro Dynamics & Roadmap
Emerging Procurement & Technological Trends
Strategic purchasing insights for commercial contractors, facade engineers, and corporate import partners.
Consolidated Direct-from-Factory Sourcing
Global developers are aggressively eliminating intermediate brokers. Procuring fully custom door and window schedules directly from single-source manufacturing facilities eliminates dimensional discrepancy liabilities, harmonizes architectural finishes, and reduces logistics overhead via unified container load optimization.
Thermal Barrier Evolution & Low-Carbon Aluminum
Carbon footprint criteria like CBAM in Europe and LEED/WELL certifications globally require tracking embodied carbon. Leading procurement mandates now demand recycled billet integration, scrap traceability, and ultra-wide polyamide thermal breaks (up to 34mm) that dramatically lower heating and cooling energy expenditures.
Smart Fenestration & Building Automation
The modernization of stacking systems incorporates motorized drive gear hidden within structural mullions. Concealed sensors, motorized panel tracks, and direct pairing to BMS (Building Management Systems) or smart home hubs (Zigbee, Matter) ensure automatic pressure balance, airflow control, and active security locking.
Ultra-Narrow Sightlines & Invisible Drainage
Minimalist luxury trends favor hidden interlock designs where visual mullion widths shrink below 20mm. Floor tracks transition into zero-threshold, ADA-compliant sub-floor channels, routing torrential downpours away invisibly while preserving unhindered accessibility between indoors and exterior terraces.
Enterprise Infrastructure
Guangdong Dejiyoupin Doors and Windows Co., Ltd.
Operating under the renowned DERCHI banner, we run an advanced 180,000 m² smart manufacturing ecosystem in Shishan Town, Foshan City, Guangdong. Recognized as a Top 10 fenestration brand in China, our team delivers complete OEM and ODM supply agreements globally.
Our capabilities span high-precision profile extrusions, multi-stage automated electrostatic fluorocarbon and powder coating, computerized CNC machining centers, and automated glass fabrication lines. Every custom configuration undergoes strict structural, wind load, air tightness, and water penetration evaluations before export packaging.
Full AS2047, CE, ISO9001 Compliance
Complimentary CAD/BIM Shop Drawings
600+ Skilled Technicians & Engineers
Custom Crating for Long Marine Transit
Procurement Due Diligence
Frequently Asked Questions for B2B Importers
Essential guidance on testing standards, dimensional constraints, logistics, and technical execution.
What parameters should be specified when requesting an OEM quotation for aluminium stacking windows?
A comprehensive inquiry should detail overall structural rough opening dimensions (width x height), panel quantity preferences, sliding configuration (e.g., 3-track 3-panel, 4-track 6-panel bi-parting), surface treatment (AkzoNobel powder coating, AAMA 2605 PVDF, or architectural anodizing), thermal requirements (thermal break vs non-thermal break), glass configuration (e.g., 6mm+12Ar+6mm Low-E double glazing), design wind pressure requirements, and destination discharge port for accurate CIF calculations.
How do aluminium stacking window systems achieve robust weatherproofing against heavy wind-driven rain?
Multi-track systems employ integrated stepped sills featuring a cascading height profile, creating natural gravity-assisted drainage. Water is prevented from migrating inward by continuous multi-point EPDM vulcanized sealing gaskets, internal interlocking labyrinth baffling, and concealed non-return drainage valves that allow moisture to escape while maintaining airtight seals against negative pressure buffeting.
What international testing certifications apply to DERCHI custom window schedules?
Our systems hold full compliance documentation for Australian Standards (AS2047 windows and AS1288 architectural glass, achieving N6 rating certifications), European CE standards (EN 14351-1), ISO9001 certified quality control methodologies, and North American NAFS/AAMA criteria. Additionally, select specialty models feature UL-certified fire protection listings.
Can you manufacture irregular dimensions, custom sills, and heavy acoustic glass buildups?
Yes. Every order handled under our OEM/ODM division is custom engineered to order. Our dedicated engineering department generates detailed CAD and BIM shop drawings verifying load deflection, interlock structural inertia, and glass rebate dimensions before tooling or extrusion cutting commences. We frequently incorporate multi-layer acoustic PVB laminated glass and heavy structural glass configurations up to 48mm thickness.
What methods ensure zero transit damage and accurate installation across international jobsites?
Finished frames and glazed panels are protected with low-tack protective film, encased in shock-absorbing foam corners, wrapped with moisture-barrier polymers, and packed into ISPM-15 compliant fully enclosed plywood crates. Each crate carries itemized manifest barcodes keyed to provided floor-by-floor installation schematics and video assembly instructions for straightforward on-site erection.
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