Product Catalog
Engineered Fenestration & Patio Door Systems
Explore our export-certified portfolio of aluminum clad patio doors, slimline floor-to-ceiling panoramic sliding systems, heavy-duty folding systems, and impact-rated pivot systems built for international projects.
180,000 m²
Production Infrastructure
25+
Years Fenestration Engineering
100+
Patents & Global Certifications
600+
Technical Experts & Workforce
Technical Whitepaper
Engineering Superiority of Aluminum Clad Patio Doors
A comprehensive analysis of structural composite stability, thermal performance optimization, and envelope lifecycle reliability for commercial specifiers and architects.
In modern sustainable architecture, the fenestration envelope accounts for up to 40% of building envelope thermal exchange. As building energy standards such as the European Energy Performance of Buildings Directive (EPBD), Germany's Gebäudeenergiegesetz (GEG), and the American ASHRAE 90.1 enforce stricter metrics, generic patio door systems fail to meet modern compliance. Selecting an engineered aluminum clad patio door system resolves the historic paradox between natural interior aesthetics and exterior environmental endurance.
At Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI), our aluminum clad patio systems integrate structural extruded 6063-T6 or 6061-T6 aluminum exterior armor with sustainably harvested interior structural hardwood or thermally broken architectural aluminum profiles. The exterior aluminum skin, shielded by high-durability fluorocarbon (PVDF) or architectural-grade powder coatings compliant with AAMA 2605 and Qualicoat Class 2 standards, provides resistance against saline corrosion, intense ultraviolet radiation, and wind-driven rain penetration. Concurrently, the interior structure eliminates thermal bridging and maintains warm interior surface temperatures, completely preventing seasonal condensation.
| Engineering Attribute | Testing Protocol / Standards | DERCHI Factory Specifications | Architectural Benefit |
|---|---|---|---|
| Thermal Transmittance (U-Value) | EN ISO 10077-1/-2 / NFRC 100 | Uw ≤ 0.8 – 1.2 W/(m²·K) (Triple Glazed Argon) | Meets Passive House and high-efficiency green building energy envelopes. |
| Structural Wind Load | ASTM E330 / AS 2047 (N6) / EN 12210 | Serviceability: ±3000 Pa; Ultimate: ±4500 Pa | Resists extreme cyclonic conditions, coastal typhoons, and high-rise shear. |
| Water Penetration Resistance | AAMA 501.1 / EN 12208 / AS 4420.5 | Static: 700 Pa – 1050 Pa (Cyclic tested) | Eliminates threshold water seepage through multi-cavity drainage profiles. |
| Acoustic Attenuation (STC / Rw) | ASTM E90 / ISO 717-1 | STC 38 – 45 dB (Acoustic PVB Laminated IGU) | Significantly minimizes urban traffic frequencies and noise pollution. |
| Forced Entry Resistance | EN 1627 (RC2 / RC3) / PAS 24 | Multi-point German hardware & anti-lift security pins | Provides perimeter security against sophisticated physical tampering. |
Manufacturing Excellence
Why International Developers Specify DERCHI
Combining 25+ years of fenestration craftsmanship with precision industrial automation across our 180,000 m² Foshan facility.
Fully Integrated Supply Chain
Located in Foshan, China's core aluminum hub, DERCHI oversees raw billet extrusion, precision thermal break polyamide assembly, CNC mitering, and insulated glass unit lamination in-house, cutting middleman markups by 25-35%.
Tier-1 European System Hardware
Our heavy-duty sliding and folding patio doors integrate Siegenia, Roto, Hoppe, or custom proprietary hardware tested for over 100,000 opening cycles, guaranteeing effortless operation on sashes weighing up to 400kg.
Direct Global Engineering Support
Our engineering division works across London (GMT), Central European (CET), and North American time zones to deliver free CAD layout reviews, schedule takeoffs, and live video structural inspections prior to export packaging.
Industry Outlook
Future Procurement Trends in Patio Door Engineering
Strategic movements shaping multi-family, luxury hospitality, and private residential architectural requirements through 2030.
1. Ultra-Narrow Sightlines & Concealed Drainage
Architectural demand has transitioned from conventional 80mm interlockers to minimalist 20mm-25mm visible vertical profiles. Advanced engineering embeds bottom track drainage frames flush with interior subfloors, achieving barrier-free accessibility without compromising waterproofing thresholds.
2. Low Carbon Embodied Aluminum & Thermal Polyamide Strips
Driven by LEED, BREEAM, and European green certifications, procurement officers increasingly require certified low-carbon recycled aluminum billets (hydro-powered smelting) alongside technoform glass-fiber reinforced PA66 polyamide thermal barriers with integrated aerogel insulation cores.
3. Motorized Smart-Home Automated Operation
Large format patio sliding leaves reaching 3.5m to 4.5m heights require integration with building management systems (BMS). Hidden brushless motors, infrared perimeter obstruction sensors, and magnetic electromagnetic locks are becoming standard requirements in high-end specifications.
4. Coastal Storm Fortification & Hurricane Impact Compliance
With unpredictable extreme weather events worldwide, international buyers specify SGP (SentryGlas) ionoplast interlayers over standard PVB. These systems are rated for large missile impact resistance (ASTM E1886/E1996) and cyclic positive/negative pressures without requiring exterior storm shutters.
Procurement Guide
Frequently Asked Questions by Commercial Buyers
Essential considerations for sourcing aluminum clad fenestration systems directly from China's primary manufacturing authority.
What defines an aluminum clad patio door versus a standard aluminum door?
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An aluminum clad patio door merges two distinct materials using independent, floating mechanical clip connectors. The exterior surface features an extruded, heavy-duty architectural aluminum profile engineered to withstand weather, moisture, and ultraviolet exposure. The interior features solid timber (such as White Oak, Larch, or Pine) or high-grade thermal composite finishes. This construction separates the materials, accommodating differential thermal expansion rates while maintaining superior interior thermal insulation and exterior structural rigidity.
How does DERCHI verify international building code compliance (CE, AS2047, NFRC)?
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Our products undergo independent third-party physical testing by accredited testing laboratories (such as Intertek and TÜV SÜD). Testing includes structural air permeability (EN 12207 / AS 4420.4), water tightness under static pressure (EN 12208 / AS 4420.5), wind load resistance (EN 12210 / AS 4420.2), and whole-window thermal simulation reporting. Full Declaration of Performance (DoP) documents and factory audit test reports are provided with every export container.
What packaging precautions protect oversized glazed panels during sea transport?
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Export shipments are secured in ISPM-15 compliant fumigated, non-coniferous composite wooden crates. Each aluminum profile is masked with low-tack protective film, corner-guarded with high-density EVA foam bumpers, and separated by moisture-absorbing desiccant sachets. Glass panels feature non-marking rubber spacers with structural steel strapping to secure the crates inside standard 40ft High Cube (HQ) shipping containers, preventing dynamic transit shifting.
Can DERCHI supply custom architectural finishes and matched RAL colors?
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Yes. Our in-house automated powder coating and fluorocarbon PVDF coating lines provide complete customizability across the entire standard RAL classic color deck, anodic metallic finishes, and ultra-durable wood-grain sublimation transfers. Exterior surfaces can be configured with dual-color options (e.g., Anthracite Grey RAL 7016 exterior with Signal White RAL 9003 interior framing) to meet specific architectural design requirements.
What are the lead times for custom shop drawings and full factory fabrication?
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Initial architectural CAD shop drawings and elevation sections are provided within 48 to 72 hours of receiving your window and door schedules. Upon formal drawing approval and hardware confirmation, standard fabrication takes 25 to 35 calendar days. Accelerated production tracks can be arranged for large commercial projects to coordinate with phased container shipping schedules.