Fire Rated · Utility Back
Export Solutions & Showcase
Engineered Architectural Doors & Windows Portfolio
Browse our precision-manufactured exterior entrance systems, impact French patio back doors, fire-rated utility doors, and modern high-performance thermal break assemblies manufactured direct in Foshan.
Fire Rated · Utility Back
Waterproof · Patio
Frosted Tempered Glass Pocket Sliding Door Aluminum Alloy Waterproof For Bedroom Kitchen
Heavy-Duty · Pivot
SGCC Hotel Matte Black Bronze Coffee Brown Aluminum Alloy 4mm+4mm Laminated Safety Tempered Glass Framed Pivot Shower Door
Thermal Break · Luxury
Modern Aesthetic Built to Last Low Maintenance Thermal Break Aluminum Glass Pivot Door for Luxury Villa Exterior Entry Hotel Use
Impact Rated · French
RICHOCEAN Hotel Commercial Hurricane Impact Aluminum Triple Glass French Swing Door Patio Entrance Double Doors
Fenestration System
American Standard Aluminum Tilt Turn Windows With Grid Design Simulate Single Hung windows For Residential And Hotel
Thermal Efficiency
Thermal Break Aluminum Double Casement Windows With Mosquito Nets Tilt Turn Windows For House
Minimalist · Space Saver
ZS Used In Office Buildings Interior Minimalist In-wall Sliding Doors Space Saving Aluminium Glass Sliding Doors
Enterprise Manufacturing Capabilities
Industrial Scale, Rigorous Engineering & Global Compliance
With an infrastructure spanning 180,000 square meters, DERCHI (Guangdong Dejiyoupin Doors and Windows Co., Ltd.) combines vertical extrusion, automated anodizing, and CNC profile milling under one roof.
180,000㎡
Integrated Production Base
600+
Technical Workforce
100+
Patents & Global Certifications
25+
Years Manufacturing Authority
AS 2047 N6 & Severe Storm Resistance
Engineered for extreme coastal regions, our exterior and back entrance systems clear AS 2047 N6 structural and water penetration protocols, withstanding cyclonic gusts over 3000 Pa without air infiltration or structural failure.
Bespoke Architectural Engineering
From single-point residential French configurations to motorized heavy-duty exterior pivot back doors, our internal structural drafting team delivers precise shop CAD/BIM submittals matching strict structural opening schedules.
Comprehensive Fenestration Sourcing
Eliminate supply chain fragmentation. Our facilities allow international commercial contractors and developers to source matching curtain walls, entrance portals, interior wooden doors, and garage mechanisms in a single consolidated freight container.
Industry Technical White Paper
Engineering Architecture of High-Performance Aluminum Back Doors
Modern back entrances are no longer secondary utility closures. They serve as primary thermal perimeters, critical physical security boundaries, and high-frequency access points requiring advanced structural design.
| Performance Dimension | Standard Market Back Door | DERCHI Architectural Aluminum System | Engineering Benefit |
|---|---|---|---|
| Alloy Metallurgy | Recycled aluminum scrap mix (<1.2mm wall) | Primary 6063-T5 / 6061-T6 (2.0mm - 3.0mm profiles) | Zero profile deflection under extreme lateral wind pressures |
| Thermal Insulation | Non-thermal break hollow profiles (U-value > 4.8) | Polyamide PA66 GF25 thermal barrier (U-value < 1.6) | Eliminates internal perimeter condensation & HVAC loss |
| Surface Protection | Thin flash powder coating (<45μm) | AkzoNobel Fluorocarbon (PVDF) / Electrophoresis (>75μm) | AAMA 2605 compliant, immune to coastal salt-spray corroding |
| Weather Sealing | Standard PVC brush strips (perishes in 24 months) | Multi-chamber EPDM co-extruded rubber gaskets | Maintains hermetic sealing across -40°C to +85°C exposures |
| Hardware & Locking | Single latch zinc-alloy standard locks | Multi-point stainless security bolts + German gearboxes | Anti-jemmy forced entry prevention up to RC3 security ratings |
Procurement & Technology Trends
Future Trends in Aluminum Back Door Manufacturing
Architectural requirements across North America, Europe, Australia, and Southeast Asia are shifting dramatically toward energy decarbonization, structural resilience, and architectural minimalism.
Trend 01
Sub-Zero Passive House Standards
Global building codes mandate tighter building envelopes. Aluminum back doors now feature triple-glazed low-E argon units with warm-edge spacers and multi-chambered polyamide breaks, reducing overall frame U-values below 1.1 W/m²K for extreme climate zones.
Trend 02
Minimalist Sightlines with Maximum Sizing
Architects specify oversized glazed patio back doors reaching heights exceeding 3.5 meters while demanding ultra-narrow 25mm sightlines. Achieving this requires specialized structural silicone glazing (SSG) techniques and high-tensile internal steel reinforcement sleeves.
Trend 03
Smart Access Ecosystem Integration
Commercial developments and residential villas require integrated hidden motorized pivot hinges, magnetic micro-switches for alarm connectivity, and biometric access mechanisms concealed directly within the aluminum profile chamber without compromising thermal integrity.
Technical FAQ
Aluminum Back Door Manufacturing & Wholesale FAQ
Technical clarifications for commercial architects, general contractors, and overseas importers sourcing structural back door assemblies from China.
Why is 6063-T5 aluminum preferred over 6063-T6 or recycled profiles for exterior doors?
6063-T5 offers the optimal balance between tensile strength (yield strength ≥ 110 MPa), precise extrusion tolerance, and superior surface finishing capabilities. It allows seamless miter joint welding and flawless anodizing. Recycled profiles contain iron and copper impurities that cause surface blistering and premature intergranular corrosion when exposed to coastal rain.
How does DERCHI guarantee water tightness on out-swing exterior back doors?
We employ a stepped three-barrier sealing principle: outer deflection lips, intermediate continuous EPDM compression gaskets, and inner acoustic barriers. Sub-sill profiles incorporate internal pressure-equalized drainage chambers with one-way weep valves, ensuring negative external air pressure during typhoons cannot drive standing water upward through the threshold.
What documentation and certifications are provided for commercial project compliance?
For each export shipment, DERCHI supplies comprehensive compliance dossiers including CE factory production control (EN 14351-1), AS 2047 N6 test certificates from accredited laboratories, SGCC/IGCC glass compliance certificates, mill test certificates (MTC) verifying alloy chemistry, and UL fire test documentation where specified.
What is the standard production lead time and export crating protocol?
Custom architectural configurations typically require 25 to 35 days from CAD shop drawing sign-off. Crating utilizes fumigated solid-timber cases with internal foam corner brackets, moisture-barrier wrapping, and desiccant packs. Heavy glass leaf components are secured with steel tension bands to prevent vibration damage during maritime transit.
Engineer Your Next Commercial Fenestration Order
Direct factory wholesale pricing, fully customized structural CAD engineering, and comprehensive project support for importers, project developers, and building contractors worldwide.
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