Factory Catalog
Engineered Heavy-Duty Aluminum Door & Window Systems
Explore commercial-grade architectural profiles, ballistic entries, pivot systems, and high-performance sliding configurations manufactured precisely for severe exposure and luxury specifications.
Direct Manufacturer Advantage
Heavy Aluminium Door Engineering & Global Supply Prowess
DERCHI (Guangdong Dejiyoupin Doors and Windows Co., Ltd.) is ranked among the top echelon of architectural door and window system manufacturers in Foshan, China. We integrate complete raw billet extrusion, multi-cavity thermal break fabrication, precision CNC milling, surface finishing, and destructive test labs under one 180,000 m² campus.
- Direct Mill Extrusions: 6063-T5 / 6061-T6 prime alloys, ensuring minimum profile wall thickness of 2.0mm to 3.5mm on all load-bearing leaves.
- Certified Compliance: Strictly lab-validated under AS 2047 (N6 cyclone rating), CE EN 14351-1, ISO 9001, and UL 10C fire resistance standards.
- Bespoke Engineering: Full technical shop drawings, CAD/BIM modeling, structural dead-load calculations, and Vastu-compliant layout alignments.
25+
Years R&D & OEM Expertise
180,000
m² Extrusion & Assembly Plant
600+
Certified Engineers & Technicians
100+
Global Patents & Testing Reports
Architectural Specifications
What Defines a True "Heavy Aluminium Door"? Technical Specifications Guide
In international commercial specifications, the classification "Heavy Aluminium Door" does not merely indicate net weight. It refers to structural deflections, wind load thresholds, alloy fatigue tolerances, and hardware duty ratings.
Profile Wall Thickness & Alloys
Standard consumer doors utilize 1.2mm–1.4mm profiles. A true industrial heavy door requires ≥2.5mm to 3.5mm virgin 6063-T6 or 6061-T6 billet extrusion. This ensures high torsional rigidity when supporting glass packages weighing up to 450 kg (990 lbs) per leaf without sagging or out-of-square deflections.
Heavy Pivot & Roller Systems
Standard surface hinges degrade quickly under dynamic momentum. Our heavy series leverages Dormakaba/Geze German hydraulic concealed floor springs or 4-wheel stainless steel tandem roller carriages rated for 500,000 cycles, delivering frictionless glide and anti-lift engineering.
Cyclonic Water & Air Tightness
Monsoon-exposed and seaside coastal projects encounter severe structural wind pressures. Our multi-chamber extrusion is paired with continuous vulcanized EPDM gaskets, multi-point euro-groove mortise locks, and stepped sub-sills with built-in non-return drainage valves.
Technical Comparison: Heavy Architectural vs. Standard Commercial Doors
| Performance Metrics | DERCHI Heavy Industrial Series | Standard Market Aluminum Doors | Testing & Compliance Standards |
|---|---|---|---|
| Alloy & Extrusion Thickness | 6063-T6 / 2.5mm – 3.5mm structural profile | 6063-T5 / 1.2mm – 1.4mm profile | ASTM B221 / GB 5237-2017 |
| Glass Loading Capability | Triple Glazed / Laminated up to 52mm (450kg leaf) | Single or Double glazed up to 24mm (120kg leaf) | EN 12150-1 / ANSI Z97.1 |
| Design Wind Pressure (Ultimate) | Up to 4500 Pa (Meets AS 2047 Cyclonic N6) | 1200 Pa to 1600 Pa | ASTM E330 / AS 4055 |
| Acoustic Attenuation (Rw) | Rw 42 dB to 48 dB (Acoustic Interlayer) | Rw 25 dB to 30 dB | ISO 10140-2 / ASTM E90 |
| Hardware Cycle Life | Class 4 Heavy Duty (500,000+ opening cycles) | Grade 1 Standard (50,000 opening cycles) | EN 1191 / EN 16035 |
Market Forecast 2026-2030
Future Procurement & Technology Trends in Heavy Doors
For real estate developers, EPC contractors, and building material distributors, staying ahead of architectural demand curves is essential to safeguarding investment longevity and achieving green building certifications.
Trend 01
Ultra-Sized Minimalist Sightlines
Architects are abandoning multi-panel subdivides for oversized continuous glazing. High-strength extruded aluminium allows frame sightlines as narrow as 20mm while accommodating heights exceeding 4.5 meters in luxury villa facades.
Trend 02
Polyamide (PA66) Thermal Breaks
Global energy efficiency codes (LEED v4.1, EU EPBD) make non-thermal profiles obsolete. The market is shifting to multi-cavity, multi-finned 34mm PA66 glass-reinforced nylon thermal barriers that suppress U-values down to <1.1 W/m²K.
Trend 03
Biometric & Smart Building Integration
Concealed motorized drive systems wired directly into smart home automation (KNX, Zigbee, Crestron) are standard in heavy entrance pivots. Multi-modal biometric verification and electromagnetic lock bolts guarantee high-torque perimeter security.
Trend 04
Fluorocarbon & Anti-Corrosive Coatings
Seaside megaprojects across South Asia, Oceania, and the GCC face high airborne salinity. PVDF fluorocarbon coatings (AAMA 2605 compliant) and 25-micron hard-anodized architectural finishes are outperforming standard powder paints.
B2B Procurement Knowledge Base
Frequently Asked Questions for Importers & Contractors
Clear, definitive technical answers covering custom engineering, structural fabrication, sea freight shipping logistics, and job site installation support.
What guarantees the dimensional stability of heavy aluminum pivot doors exceeding 3 meters?
Dimensional stability on oversized leaves depends on three engineering factors: 1) We use heavy-gauge 6063-T6 alloy corner-cleats that are hydraulic-crimped and injected with two-part structural polyurethane sealant. 2) An internal anti-deflection steel tie-rod tension system is integrated into the door sash, allowing technicians to fine-tune leaf squareness over decades. 3) German concealed hydraulic floor pivots transfer the dynamic load directly into the subfloor concrete slab, preventing any frame head-sagging.
How does DERCHI handle project customization, BIM/CAD shop drawings, and architectural submittals?
Upon receiving rough opening sizes, architectural elevations, or door schedules, our in-house engineering department generates complete 1:1 CAD shop drawings showing structural anchoring details, glass cross-sections, sill threshold transitions, and drainage calculations. We also offer Revit/BIM families and sample material packages (corner cross-sections and color chips) for project consultant approval prior to bulk manufacturing.
What packaging standards are implemented to prevent ocean transit damage and maritime moisture corrosion?
Every door undergoes a rigorous 5-layer export packaging protocol: 1) Micro-perforated peelable protective film on all metal surfaces, 2) Multi-layer polyethylene bubble wrap, 3) 5mm edge-protecting composite angles, 4) Desiccant silica pouches within shrink-wrap to eliminate condensation during ocean crossing, and 5) Fully enclosed ISPM-15 fumigation-free plywood crates reinforced with heavy steel bands, allowing safe fork-lift handling.
What international building code certifications are provided with the export documentation?
We provide full third-party test reports and certificates based on the destination market. This includes CE (EN 14351-1) for Europe, AS 2047 / AS 1288 (tested under N6 high-velocity hurricane pressure conditions) for Australia and New Zealand, and UL 10C / NFPA 252 for positive pressure fire ratings. Complete Mill Test Certificates (MTC) for alloy purity and glass tempering certificates accompany every shipping container.
What are standard lead times, minimum order quantities (MOQ), and incoterms supported?
Because we maintain a 180,000 m² factory with dedicated extrusion stock, our lead time for customized architectural orders is typically 25 to 35 days from final CAD drawing sign-off. We support flexible MOQs (from single bespoke mansion packages to full 40ft HQ container volumes for multi-unit towers). Standard trade terms include FOB (Foshan/Shenzhen/Guangzhou), CIF (to major regional ports worldwide including Nhava Sheva, Colombo, Dubai, Sydney, and Long Beach), or DDP to your designated warehouse.
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