Catalog Showcase
Featured Multi-Panel Sliding & Stacking Architectural Systems
Explore commercial-grade architectural folding, lifting, and multi-track stacking door solutions built with precision extruded aluminum profiles, advanced sound-insulating cores, and international standard thermal breaks.
180,000m²
Integrated Production Base
1,000,000m²+
Annual Manufacturing Capacity
18,000+
Global Project Installations
100+
Proprietary Engineering Patents
Technical Whitepaper
Engineering Principles of Heavy-Duty Aluminum Stacking Doors
An analytical breakdown of structural mullion loading, multi-point kinetic hardware, and high-performance weatherization engineered for luxury hospitality and high-wind residential envelopes.
Multi-Track Extrusion & Interlocking
Aluminum stacking doors (telescoping sliding systems) utilize independent multi-track sills allowing multiple sashes to glide sequentially behind a stationary panel or into an architectural wall pocket. Manufactured with 6063-T5/T6 alloy profile thicknesses up to 3.0mm, DERCHI engineering integrates internal structural chambers and heavy continuous tie-bars that mitigate deflection caused by high coastal wind loads (up to 4500 Pa).
Heavy-Duty Kinetic Running Gear
Carrying oversized insulated glass panels weighing up to 450kg requires low-friction running gear. We engineer quadruple stainless steel tandem rollers with CNC-machined SUS316 bearings running over high-strength anodized or flush stainless tracks. This ensures self-centering lateral stability, ultra-silent gliding below 25dB, and prevents long-term track pitting in high-salinity oceanic environments.
Acoustic & Polyamide Thermal Barriers
To stop interior condensation and thermal bridge conductivity, our stacking systems deploy multi-chamber PA66 GF25 (polyamide fiberglass reinforced) thermal break strips. Paired with warm-edge spacers, argon-filled double/triple Low-E laminated units, and continuous EPDM vulcanized co-extruded gaskets, our frames consistently achieve superior U-values (Uw ≤ 1.4 W/m²·K) and sound reduction factors up to Rw 42 dB.
Architectural Reference
DERCHI Stacking & Multi-Slide Architectural Parameters
Strict adherence to international testing protocols ensures total structural integrity across diverse climatic exposure zones.
| Performance Vector | Laboratory Test Standard | DERCHI Engineering Specification | Project Application Scope |
|---|---|---|---|
| Structural Wind Resistance | ASTM E330 / AS2047 / EN 12211 | Class 5 (± 4500 Pa Design Pressure) | High-rise oceanfront towers & cyclone-prone zones |
| Water Tightness Rating | AAMA 501.1 / EN 12208 | Class 9A (700 Pa Static / Dynamic Pressure) | Coastal villas, monsoon rainfall & exposed terraces |
| Acoustic Attenuation (STC) | ISO 10140-2 / ASTM E90 | STC 38 - 44 dB (With acoustic laminated glass) | Urban commercial hotels, luxury condominiums |
| Air Permeability / Infiltration | ASTM E283 / EN 12207 | Class 4 (≤ 0.15 m³/(h·m)) | Passivhaus construction, energy-saving developments |
| Surface Coating Resilience | AAMA 2605 / Qualicoat Seaside | Fluoropolymer PVDF (70%) or 25μm Anodized | High UV altitude plateaus, marine saltwater fronts |
Enterprise Authority
Guangdong Dejiyoupin: Verified Manufacturing Excellence
Located in Foshan, Guangdong—the core hub of global aluminum architectural manufacturing—Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates over 180,000 m² of specialized production floor space equipped with robotic cutting centers, automated glass sealing lines, and comprehensive 360-degree quality control systems.
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"China Famous Brand" Recognized by Xinhua News Agency
Verified brand status by China's authoritative national agency, validating superior industrial reliability, supply-chain scale, and manufacturing integrity.
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Proprietary Four-Side Six-Point Anti-Theft Lock
Over 100 patents including patented perimeter multi-point locking gear designed to resist forced structural entry and severe torsional stress.
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Full International Compliance Accreditations
Direct manufacturing certified to Australian AS2047, North American NFRC/CSA, European CE, and Energy Star benchmarks.
Procurement Forecast
Future Procurement & Technological Trends in Aluminum Stacking Doors
For property developers, facade consultants, and general contractors, procuring door systems from China is moving from basic dimensional requests to systemic, high-performance integration.
Ultra-Slim Interlock Sightlines
Modern architectural aesthetics require maximizing continuous daylight. Future procurement trends prioritize narrow vertical interlocks (as slim as 20mm-25mm) reinforced with concealed carbon steel or titanium ribs to maintain wind resistance without visual interruption.
Concealed Smart Automation
Automated motorization is moving from external aftermarket retrofits to factory-concealed magnetic brushless drive systems. Integrated within the head track, these systems sync with building management systems (BMS), weather sensors, and mobile apps for remote opening, ventilation, and automated safety stops.
Zero-Threshold Barrier-Free Sills
In hospitality and accessible residential spaces, stepped thresholds create tripping hazards. Future stacking sills utilize recessed trench drains, submerged gravity valves, and flush magnetic pop-up weather seals to deliver complete ADA-compliant barrier-free indoor-outdoor transitions without water overflow.
Low-Carbon & Circular Aluminum
Global energy codes (LEED, BREEAM, Green Star) demand documented lower embodied carbon. Procurement decisions increasingly require manufacturers to source aluminum extruded with clean hydropower and provide certified Environmental Product Declarations (EPDs).
Procurement Guide
Frequently Asked Questions for B2B Importers & Contractors
Essential technical, logistical, and warranty insights to de-risk cross-border door and window procurement.
What distinguishes an aluminum stacking door from standard bifold or sliding patio doors?
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Unlike bifold doors, which project folded leaves into the room or onto the patio (consuming clearance space and subjecting hinges to wind turbulence), stacking doors glide sequentially on individual parallel tracks. This allows wide expanses (spanning 6 to 15 meters) to open up to 75% or more of the total opening without panel sway. Compared to standard two-panel sliding doors, multi-slide stacking doors allow multiple moving leaves to park behind a single fixed panel or pocket directly into the adjacent wall cavity.
How does DERCHI ensure sea freight crate safety and eliminate glass breakage during transit?
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Every door unit undergoes a 5-layer protective packing protocol: surface protective PE film, customized corner armor, pearl cotton wrap, heavy-duty honeycomb buffer boards, and final packing into fumigated, fully enclosed solid plywood cases reinforced with steel strapping. Each shipment is containerized with engineered load-distribution models to eliminate shifting in heavy seas. Units are tagged by building floor and opening numbers for fast site distribution.
Can large aluminum stacking doors achieve certified hurricane and cyclone performance?
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Yes. DERCHI hurricane-rated stacking series feature heavy reinforced vertical interlocking mullions, integrated multi-point security hardware, and SentryGlas (SGP) laminated impact glass configurations. In testing, our impact-resistant profiles withstand large missile impacts followed by cyclic static air pressure testing up to ± 4500 Pa, satisfying stringent coastal building codes across the Americas, the Caribbean, and Australia.
What documentation and shop drawings are provided prior to extrusion cutting and manufacturing?
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Following order intake, our structural engineering team generates comprehensive CAD and BIM/Revit shop drawings covering 1:1 cross-sectional details, sill drainage integration, anchor-point structural calculations, and glass wind-load analysis. Manufacturing begins only after the developer or architect formally signs off on approved shop drawings and color match samples.
How are flush or low-threshold tracks engineered to prevent interior water overflow?
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Flush thresholds for exterior applications require engineered subsurface drainage. DERCHI low-profile sills incorporate hidden stepped chambers, heavy-duty gravity check valves, and direct sub-sill drainage connections linked to external drainage gravel or piping. This setup evacuates driving rain at high pressure while maintaining a level floor surface across living rooms and exterior terraces.
What are the lead times for large-scale hospitality or multi-residential door orders?
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Standard production turnaround runs 30 to 45 business days once approved shop drawings and production deposits are secured. Custom profile extrusion or specialized RAL finish matching may require an additional 10 to 14 days. Ocean transit times depend on destination ports, typically ranging from 18 to 35 days for the Americas, Europe, the Middle East, and Oceania.
Engineer Your Next Facade with China's Premier Door Manufacturer
Connect with our senior technical engineering team for comprehensive opening schedules, CAD shop drawing reviews, and factory-direct project pricing for your commercial or high-end residential developments.
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