Engineered Aluminum Entry & Facade Door Systems
Direct from Foshan's premier manufacturing lines: high-precision extruded profiles engineered with polyamide thermal barriers, acoustic multi-laminated glass, and anti-intrusion architectural locking mechanisms.
Custom Slim Aluminum Framed Arched Glass Crittall Doors
- Profile Depth: 50mm Slim Sightline
- Glazing Type: Double Glazed Low-E
- Application: Patio / Villa Entrance
- Acoustics: Rw 36 dB Attenuation
Modern Aluminum Frame Slab Waterproof Polymer Villa Door
- Core Structure: Solid Composite MDF
- Protection: Waterproof Polymer
- Rating: Class B Fire Retardant
- Acoustics: Silent Magnetic Latch
Soundproof Aluminum Casement Swing Door for Luxury Villas
- Alloy Grade: 6063-T5 High Tensile
- Sealing System: Continuous EPDM Gasket
- Acoustics: STC 42 Acoustic Glass
- Weathering: Fluorocarbon Finish
WANJIA Smart Multi-Lock Anti-Theft Exterior Security Door
- Lock Type: Biometric / Smart IoT
- Plate Gauge: 3.0mm Heavy Extrusion
- Anti-Burglary: Multi-Point Hardened Steel
- Thermal Core: Polyurethane Foam Infill
Double Panel Exterior Swing Aluminum French Glass Doors
- Configuration: Active / Passive Double Leaf
- Wind Load: AS 2047 N6 Compliant
- Hinges: Heavy-Duty 304 Stainless
- Threshold: Barrier-Free ADA Compliant
CHAMBROAD Triple-Glazed Clad Wood Hurricane Doors
- Material: German Oak + Extruded Alloy
- Glazing Unit: Triple Low-E Argon Filled
- Hardware: German Siegenia / Roto
- U-Value: 0.95 W/(m²·K) Passive House
Large Panoramic Glass Thermal Break Resort Casement Doors
- Thermal Bridge: Polyamide PA66 GF25
- Corrosion Res: Qualicoat Class 2 / PVDF
- Application: Beachfront Villas & Hotels
- Sightline: Ultra-Wide Glass Pane
AOSTTER Anti-Pinch Double Glazed Extrusion Bifold Doors
- Folding System: Top-Hung Quad Rollers
- Safety Design: Anti-Pinch Finger Guards
- Insulation: Argon-Filled Low-E IGU
- Finish: Electrostatic Architectural White
Why Tier-1 Contractors and Global Architects Partner with DERCHI
Operating from the fenestration manufacturing core of Foshan, Guangdong, Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) leads the sector with high-throughput automated CNC machinery, rigorous thermodynamic testing, and comprehensive export compliance frameworks.
Multi-Standard Global Certification
Our systems hold CE (EN 14351-1), ISO 9001, Australian AS 2047 (N6 Cyclonic Rating), and UL fire-rated certifications. Every product batch is accompanied by comprehensive mechanical laboratory test records, assuring smooth structural sign-offs with municipal building authorities across North America, Australasia, and the Middle East.
Full-Spectrum CAD/BIM Customization
We eliminate site dimensional discrepancies by providing complimentary architectural CAD shop drawings and 3D Revit models directly coordinated with structural door schedules. Our engineering department verifies wind pressure loadings, dead load tolerances, and floor track transitions prior to profile extrusion and CNC routing.
Single-Source Fenestration Ecosystem
Procure ultra-large pivot entry doors, thermal-break casement systems, interior flush doors, and automated garage entrances through a consolidated manufacturing pipeline. Consolidating full project schedules cuts commercial shipping overhead, prevents cross-supplier misalignment, and standardizes hardware master keys.
GMT+8 Dedicated Technical Sales Engineering
Direct access to bilingual mechanical engineers working on synchronous business hours with the Asia-Pacific region and Middle Eastern trading hubs. From rapid submittal turnarounds (under 24 hours) to live high-definition video factory inspections, we eliminate project delays and ensure zero communication loss.
Advanced Multi-Axis CNC Profile Milling
Employing 5-axis German profile machining centers allows micro-millimeter precision when mortising lock housings, concealed hinges, and thermal insulation strips. This level of automated tolerance safeguards operational alignment for door leaves weighing up to 600 kilograms over decades of continuous cycle operations.
Pearl River Delta Port Logistics Network
Positioned in Foshan with immediate arterial connection to Guangzhou Nansha and Shenzhen Yantian deepwater container terminals. Every order receives international export crating—comprising foam cushion wraps, shockproof desiccant packets, edge corner guards, and fumigated steel-braced plywood crates built for rough oceanic transit.
Technological & Sourcing Shifts Transforming Aluminum Door Systems
Building energy codes, extreme climatic events, and the convergence of smart security protocols are fundamentally altering how global procurement directors, specifiers, and facade engineers select architectural entry systems.
Low-Carbon Recycled Billets & EPD Transparency
Polyamide PA66 GF25 Deep Thermal Barrier Bridges
Monolithic Architectural Scale with Balanced Pivot Hardware
Cyclonic Wind Resistance & Dynamic Impact Compliance
Mechatronic Access Integration & Encrypted Smart Locks
Fluorocarbon PVDF & Marine-Grade Qualicoat Class 2 Finishes
Comparative Technical Specification Matrix for Professional Specifiers
Review the structural, acoustic, and thermodynamic tolerances engineered across DERCHI's commercial and residential door typologies.
| System Typology | Alloy & Temper | Thermal Barrier | Acoustic Rating | Wind Load Resistance | Target Architectural Application |
|---|---|---|---|---|---|
| Heavy-Duty Pivot Entry Door | 6063-T6 / 3.0mm Extrusion | Polyamide PA66 GF25 (34mm) | Rw 40 dB (STC 41) | 4,500 Pa (AS 2047 N6) | Luxury Villa Portals, Prestigious Corporate Entrances |
| Slim-Sightline Crittall French Door | 6063-T5 / 2.0mm Extrusion | Integrated Dual-Cavity Bridge | Rw 35 dB (STC 36) | 3,000 Pa (Class C3) | Modernist Residences, Boutique Hospitality Patios |
| Security Biometric Entrance Door | 6061-T6 Reinforced Steel Core | High-Density Polyurethane Infill | Rw 38 dB (STC 39) | 5,000 Pa (Anti-Intrusion RC3) | Executive Villas, Perimeter Security Main Gates |
| Multi-Panel Sliding / Bifold Door | 6063-T6 / 2.5mm Extrusion | Multi-Chamber Technoform Isolator | Rw 36 dB (STC 37) | 3,800 Pa (Serviceability Limit) | Beachfront Balconies, Penthouse Living Expansions |
| Architectural Flush Composite Door | Anodized Frame + Polymer Infill | Solid Sound-Dampening Core | Rw 34 dB (STC 35) | Interior Engineered (Waterproof) | High-Humidity Master Suites, Coastal Penthouse Bedrooms |
Frequently Asked Technical & Sourcing Questions (FAQ)
Clear, engineering-backed answers addressing the most common design constraints, structural compliance criteria, and international freight requirements.
When external aluminum surfaces reach 65°C under direct sunlight while internal spaces are conditioned to 21°C, differential expansion can cause door leaves to bow, compromising perimeter seals. DERCHI engineers resolve this by deploying split-profile technology connected with patented rolling-slip polyamide thermal struts. This design allows the exterior and interior aluminum extrusions to expand independently, preventing structural deflection and maintaining operational clearance.
For coastal installations located within 1,000 meters of seawater, standard powder coating is insufficient. We apply three-coat architectural fluorocarbon (PVDF) finishes exceeding AAMA 2605 requirements, or 25-micron anodic oxidation (Class AA25). These protective coatings resist pitting, micro-cracking, and galvanic corrosion, successfully passing 4,000 hours of continuous neutral salt spray exposure per ASTM B117 testing standards.
Yes. Our hurricane-engineered entrance assemblies utilize heavy 6063-T6 extrusions with reinforced wall thicknesses up to 3.5mm, paired with laminated impact glass units (e.g., 6mm Tempered + 1.52mm SentryGlas PVB/SGP + 6mm Tempered). These systems have been laboratory tested to sustain cyclic wind loads and large missile projectile impacts without frame failure or glass breach, achieving full AS 2047 N6 wind resistance compliance.
Upon receipt of architectural schedules or site opening dimensions, our engineering team generates comprehensive CAD shop drawings within 24 to 48 hours. Following client drawing approval and hardware sign-off, production requires 25 to 35 business days depending on custom extrusion profiles and color matching requirements. Complete assembly photos, quality control reports, and glass certification packs are delivered prior to crating.
Barrier-free entry systems (compliant with ADA accessibility standards) utilize integrated sub-floor linear drainage troughs combined with magnetic drop-down neoprene gaskets. When the door closes, magnetic fields draw the lower seal downward against an architectural stainless steel sill strip, achieving positive water tightness up to 600 Pa without requiring an elevated structural step.
All doors undergo a five-tier preservation packaging protocol: (1) low-tack protective film on aluminum surfaces, (2) EPE pearl foam perimeter padding, (3) heavy-gauge corrugated edge-guards, (4) vacuum-sealed desiccants to neutralize container humidity swings, and (5) fully enclosed, fumigated solid-timber plywood crates secured with steel strapping and internal structural blocking.