Commercial Aluminium Glass Bi-Fold Garage Door
Heavy-duty overhead folding configuration engineered with insulated double-glazed tempered glass and structural grade aluminium frames. Ideal for luxury automotive showrooms and modern facades.
Engineered Portfolio
High-Performance Aluminium Roll Up & Architectural Doors
Customized commercial and residential roller shutter assemblies engineered in Foshan, China. Designed for structural resilience, quiet electric operation, maximum air tightness, and harsh climate resistance.
Modern Electric Aluminum Roller Shutter Door
Automated motorized metal rolling door featuring micro-perforated aeration slats, integrated obstacle-detection sensors, and anti-lift locking joints for commercial shopfront security.
Bolang Insulated Hurricane Resistant Roll Up Door
High-density polyurethane foam injected double-walled interlocking slats. Engineered for coastal storm zones with wind load resistance tested up to Category 5 hurricane pressures.
Commercial Automatic Insulated Roller Garage Doors
Sunnysky series thermal break subframe with heavy gauge extruded profiles. Delivers low thermal transmittance (U-value) for energy-conscious industrial warehousing and logistics hubs.
Hurricane Proof Smart Roller Shutter Garage Door
Reinforced guide rails with storm-hook endlocks, high-tensile 6063-T6 alloy slats, and built-in Tuya/Zigbee WiFi smart industrial control units for remote mobile status monitoring.
Custom Automatic Roll Up Garage Door (Beige)
Architectural fluorocarbon powder-coated finish with AkzoNobel exterior polymers. Whisper-quiet side tracks equipped with sound-dampening brush inserts for upscale residential carports.
Motorized Insulated Garage Roller Shutter Door
Direct-drive tubular motor automation paired with CFC-free polyurethane foam cores. High burglar resistance rating (EN 1627 RC2/RC3 compliant) tailored for secure perimeter closures.
Ultra-Narrow Frame Aluminum Sliding Patio Door
Engineered minimalist sightline linkage sliding system with acoustic hollow argon-gas filled glass panels. Complements contemporary residential builds alongside rolling shutters.
180,000 m²
Integrated Production Facility
25+ Years
Architectural Door Engineering
600+
Technical & Production Staff
100+
Global Patents & Certifications
Technical Whitepaper: Material Integrity
Metallurgical Standards, Thermal Physics & Mechanical Performance
Global developers and municipal engineering contractors choose Foshan-manufactured aluminium roll-up assemblies for their superior strength-to-weight ratio, structural stability across broad temperature spectrums, and natural anti-corrosion properties.
Primary 6063-T5/T6 Billet Alloy
Our rolling shutter profiles utilize pure primary architectural-grade aluminium ingots, strictly eliminating secondary scrap melt contamination. Heat-treated to T5 or T6 hardness standards, slats exhibit yield strengths exceeding 160 MPa, ensuring structural resilience against lateral wind deflections and forced entry attempts without profile warping.
Polyurethane Thermal Decoupling
Double-skinned roll-up curtain profiles are injected continuously under precise robotic pressure with zero-ODP, high-density polyurethane (PU) rigid foam (45–50 kg/m³). This creates a composite sandwich panel offering sound reduction ratings up to Rw 22 dB and overall thermal transmittance (U-values) dropping below 1.8 W/(m²·K), preventing condensation and thermal bridging.
Endlock Wind-Resistant Geometry
For installations in typhoon-prone coastal strips and gust-vulnerable logistics corridors, our roll-up doors incorporate ductile cast iron or tempered nylon hurricane-hook endlocks. Operating inside heavy-duty reinforced steel side guide rails with dual brush seals, the door system withstands dynamic cyclic wind loads compliant with EN 12424 Class 4 and ASTM E330 criteria.
| Engineering Parameter | Standard Residential Slat | Insulated Commercial Slat | Hurricane Storm Slat |
|---|---|---|---|
| Slat Profile Height & Depth | 45 mm height × 9 mm depth | 77 mm height × 19 mm depth | 100 mm height × 25 mm depth |
| Alloy Base Wall Thickness | 0.8 mm nominal gauge | 1.2 mm – 1.5 mm structural gauge | 1.8 mm – 2.5 mm reinforced structural |
| Core Insulation Medium | Hollow chamber / Light PU | High-density PU foam (48 kg/m³) | Rigid high-impact polymer composite |
| Certified Wind Resistance | Class 2 (Up to 70 km/h) | Class 3 (Up to 110 km/h) | Class 5+ (Exceeding 200 km/h) |
| Surface Coating Spec | Electrophoresis / PE Powder (60μm) | Architectural PVDF Fluorocarbon (80μm) | Qualicoat Class 2 Superdurable Powder |
| Motor Drive Compatibility | Tubular motor (10Nm – 50Nm) | Tubular / Side-mount chain (80Nm – 150Nm) | Industrial external 3-phase motor with brake |
Procurement Intelligence
Future Procurement Trends in Aluminium Roll Up Doors (2025–2030)
Procurement directors, general contractors, and overseas facade specifiers face evolving building energy codes, automated logistics requirements, and sustainability benchmarks. Sourcing strategies are shifting rapidly toward specialized engineering metrics.
BIM Level 300+ Digital Schedules
Global procurement teams no longer rely on static paper shop drawings. Wholesale manufacturers must furnish coordinated Revit BIM models with exact parametric data, motor power requirements, deflection calculations, and wiring conduits to integrate into unified building management systems before fabrication begins.
Decarbonization & EPD Compliance
With the European Carbon Border Adjustment Mechanism (CBAM) and LEED v4.1 certifications, enterprise buyers favor suppliers offering verified Environmental Product Declarations (EPD). Utilizing low-carbon hydro-powered aluminium billets reduces embodied carbon while fulfilling green building subsidies.
IoT Edge Drives & Smart Gateways
Standalone key-switch roll up shutters are being phased out. Industrial buyers request integrated IoT controllers featuring open RS-485 Modbus or dry-contact protocols, supporting automatic cloud fleet diagnostics, preventative cycle-count maintenance triggers, and perimeter infrared radar interlocking.
High-Speed Rolling Automation
Cold chain facilities and high-traffic distribution hubs are replacing heavy, sluggish roll-up gates with high-speed aluminium spiral roll-up designs. Operating at speeds up to 1.5 m/s, these assemblies reduce air-exchange duration, significantly lowering commercial cooling and heating energy waste.
The DERCHI Manufacturing Difference
Integrated Foshan Production Base, Rigorous QC & Global Supply Chain
Operating from our 180,000 square meter industrial complex in Shishan Town, Foshan—the epicenter of Chinese aluminium metallurgy—we deliver engineering consistency from profile extrusion to ocean container loading.
Full-Cycle Vertical Manufacturing
Unlike regional assembly workshops that source components from disparate subcontractors, our campus manages internal aluminium billet heating, automated extrusion, continuous CNC slat punching, automated horizontal powder-coating lines, motor wiring, and factory pre-hanging trial setups. This reduces production lead times and ensures tight dimensional tolerances (±1mm).
Certified Quality & Compliance
Our doors carry CE marking under external pedestrian standard EN 14351-1, alongside ISO 9001 quality management, AS 2047 Australian testing compliance, and certified UL/EN fire ratings. Each order is accompanied by full test reports, structural mill certificates, and complete declarations of performance (DoP) ready for municipal building inspector sign-off.
Export Packaging & Engineer Support
Every roll up door barrel, curtain assembly, and side track is individually shrouded in scratch-resistant protective film, cushioned with high-density EPE pearl wool, and encased inside fumigated steel-strapped OSB plywood crates. Dedicated bilingual structural engineers assist with CAD drawing cross-referencing during European, Middle Eastern, and American project hours.
Procurement Due Diligence
Frequently Asked Questions by Overseas B2B Buyers
Detailed technical and logistical answers to support procurement heads, MEP contractors, and architectural supply distributors before purchase order confirmation.
What is the difference between extruded aluminium alloy roll-up doors and rolled color-coated steel shutters? +
Extruded aluminium roll up doors utilize 6063-T5 or 6063-T6 virgin billets extruded into structural profiles with integrated internal reinforcement webs. Unlike thin rolled steel sheet (typically 0.4–0.6 mm) which can rust when chipped or exposed to maritime salty environments, extruded aluminium offers permanent rust immunity, significantly higher rigidity-to-weight balance, cleaner architectural aesthetics, and substantially quieter rolling operation due to smooth profile hinging and precision side track guides.
How do you calculate structural wind load resistance for wide-span commercial openings? +
Wind loading is directly dependent on curtain width, profile slat thickness, guide track insertion depth, and endlock engagement. For clear opening spans wider than 5.0 meters, our engineering team specifies heavy-duty 77 mm or 100 mm double-walled structural slats with a minimum 1.5 mm wall thickness, paired with reinforced deep-pocket steel guide tracks (100 mm to 140 mm track depth) and cast steel wind-hooks riveted to alternate slats. All calculations align with EN 12424 pressure classes and local wind zone requirements.
What surface finishing options are recommended for coastal or high-corrosion industrial zones? +
For marine installations within 5 kilometers of coastlines, or heavily polluted industrial atmospheres, standard polyester powder coating is insufficient. We specify Qualicoat Class 2 superdurable fluorocarbon (PVDF) 2-coat or 3-coat architectural finishes containing minimum 70% Kynar 500 resin, or deep electrolytic hard anodizing (20–25 microns). These finishes pass the 3,000-hour neutral salt spray test (ISO 9227) without chalking, blister formation, or intergranular surface degradation.
What motor drive configurations and emergency override systems do you supply? +
We offer two primary motor architectures: 1) Precision internal tubular motors (100V–240V AC) installed inside the roller barrel for compact residential or retail headrooms up to 25 m²; and 2) Industrial side-mount chain hoist motors (single or 3-phase) equipped with mechanical centrifugal brakes for massive spans up to 80 m². All motors feature an integrated manual hand-crank or release clutch mechanism to guarantee manual opening during regional power disruptions.
How does your engineering team support bespoke architectural schedules and free CAD design? +
Upon submission of your structural rough opening dimensions and facade schedule, our in-house engineering studio generates complete CAD approval drawings within 24 to 48 hours. These submittals indicate lintel headroom tolerances, jamb bracket fixing details, motor side clearances, barrel shaft deflection models, and wiring interface schedules. Fabrication only commences after signed approval of the final shop drawings.
What is the standard production cycle and how are ocean shipments consolidated? +
Standard project production lead time is 20 to 25 working days following shop drawing sign-off and deposit receipt. For full container loads (20GP / 40HQ), goods are containerized directly at our Foshan manufacturing gates using tailored wood bracing to eliminate transit movement. For LCL shipments, goods travel in fumigated, solid-sided composite plywood cases with moisture-absorbing desiccant packs to prevent transit condensation.
Request Project Quotation & Technical Submittals
Contact our bilingual engineering department to request technical data sheets, structural wind load calculations, custom RAL color swatch catalogs, or factory-direct pricing for your project door schedule.