Factory Direct Catalog
Curated Architectural Aluminium Interior & Entrance Systems
Engineered for commercial hotel chains, high-end multi-family apartments, luxury villas, and modular contemporary partitions. Browse our primary production specifications below.
180,000m²
Modern Production Base
25+
Years Engineering Expertise
100+
Global Patents & CE Marks
600+
Master Technicians & Staff
Industry Whitepaper & Technical Analysis
The Paradigm Shift in Interior Doors: Aluminium vs Traditional Timber
Why international commercial developers, hospitality chains, and luxury architectural studios are replacing solid wood with precision extruded aluminium systems.
In modern multi-family housing, hospital hospitality suites, and coastal villa projects, traditional timber door cores present recurrent post-occupancy vulnerabilities: moisture-induced warping, delamination, termite degradation, and shrinkage under centralized HVAC heating. Consequently, specification patterns across Western Europe, North America, and Australasia demonstrate an accelerated transition toward precision-engineered aluminium interior door systems.
Our Foshan manufacturing facility integrates aerospace-grade 6063-T5 and 6063-T6 aluminum alloys combined with an interior hexagonal aluminum honeycomb core or acoustic rockwool infill. This structural composition delivers an inert dimensional stability that unaffected by 100% relative humidity, ensuring flush, zero-tolerance closing tolerances across decades of use.
Total Life-Cycle Cost Valuation
General contractors increasingly evaluate interior doors on life-cycle cost rather than nominal unit purchase price. Anodized and fluorocarbon (PVDF) coated aluminium doors eliminate maintenance cycles, repainting, and seasonal planing typical of timber frames.
Acoustic Privacy Standardisation
Modern apartment developments enforce rigid STC/Rw acoustic thresholds. Our aluminum honeycomb leaves engineered with multi-chamber EPDM perimeter seals routinely isolate 32dB to 38dB, providing hotel-grade sound decoupling between living spaces and en-suites.
Minimalist & Concealed Hardware
Architectural demand centers on ultra-slim 16mm visible sightlines, frameless hidden jamb systems, and magnetic latching mortise hardware. Aluminum alloys provide the structural rigidity necessary to carry 2700mm+ oversized doors without bowing.
Future Procurement Trends 2026-2030
Technological Trajectories in Aluminium Door Engineering
BIM & Modular Prefab
Pre-hung aluminum cassette assemblies arrive on site pre-machined, reducing dry construction labor by 65% compared to wet-plaster traditional installations.
Fire Compartmentation
Integration of intumescent thermal graphite strips within aluminum internal chambers to deliver 30/60 minute integrity ratings without aesthetic penalty.
Carbon-Neutral Extrusions
Procurement mandates increasingly require hydro-powered recycled aluminum billets, providing verifiable Environmental Product Declarations (EPD) for LEED and BREEAM certifications.
Smart Access Integration
Factory-machined wiring chases enabling concealed electric strikes, magnetic reed sensors, and biometric passage handles directly interfaced with Crestron or KNX building automation.
Procurement Benchmark
Engineering Specification Comparison
Direct comparative performance parameters to assist procurement officers and facade consultants in setting project tender documentation.
| Evaluation Metric | Aluminium Honeycomb Interior System | Solid Core Timber System | Standard Hollow Core Flush Door |
|---|---|---|---|
| Dimensional Stability | 100% immune to humidity; Zero warp at 2800mm height | Expands/shrinks ±3mm depending on seasonal humidity | Prone to bowing, edge telegraphing, and sagging |
| Moisture & Termite Resistance | Non-porous, waterproof, anti-corrosive PVDF / Anodized | Susceptible to rot, swelling in wet areas, and pests | Rapid failure in interior bathroom environments |
| Acoustic Rating (Rw/STC) | Rw 32 - 38 dB (with drop-down bottom seal & EPDM) | Rw 28 - 32 dB (dependent on density and weight) | Rw 18 - 22 dB (hollow resonance cavity) |
| Flame Spread / Fire Behavior | Class A Incombustible substrate; Zero smoke toxics | Combustible; Requires thick chemical retardant veneers | High combustibility; Rapid burn-through risk |
| Average Lifespan in Commercial Use | 25+ Years with zero surface reconditioning needed | 5 - 8 Years before scuff repair and edge refinishing | 2 - 4 Years in high-traffic hotel/rental units |
Tier-1 Foshan Manufacturing Base
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Why Premier Developers Partner with DERCHI Co., Ltd.
Recognized as one of the elite door and window manufacturers in China, Guangdong Dejiyoupin Doors and Windows Co., Ltd. operates an integrated 180,000 m² smart production ecosystem in Foshan. Our engineering expertise has been verified across major international projects, including villa contracts executed for long-term UK Schüco partners and rigorous Australian AS 2047 N6 cyclone testing approvals.
Total Extrusion & Finishing Control: In-house anodizing, fluorocarbon powder coating, and ultra-realistic 3D woodgrain sublimation lines.
Full Engineering Team Support: Complimentary CAD shop drawings, BIM parameter files, and hardware compatibility reviews within 24 hours.
Export Packaging Standards: Fully reinforced fumigated wooden crates, corner guards, and vacuum-sealed protective peel film for zero-damage sea freight.
Direct Clarifications
Frequently Asked Questions for B2B Importers
Answers to core technical, logistical, and commercial inquiries routinely posed by architects, quantity surveyors, and project developers.
What are the key structural differences between standard aluminium doors and aluminum honeycomb interior doors?
Standard residential aluminum doors often utilize thin hollow extruded profiles with hollow core chambers, which can produce a metallic echo and lack substantial impact resistance. In contrast, our high-performance interior doors integrate dual outer skin aluminum alloy sheets (typically 1.2mm to 2.0mm thick) bonded under high hydraulic pressure to an aircraft-grade hexagonal aluminum honeycomb matrix. This composite creates a rigid, lightweight sandwich structure that absorbs acoustic vibration, delivers solid hand-feel closure similar to heavy hardwood, and will never buckle or warp.
How does the factory verify acoustic attenuation (Rw / STC) ratings for hotel and multifamily tenders?
Acoustic dampening requires an airtight perimeter containment system combined with core mass. Our certified systems utilize high-density polyurethane or basalt rockwool in conjunction with the aluminum honeycomb to disrupt specific sound frequencies. In addition, our doors are equipped with continuous dual-fin co-extruded EPDM gaskets around the aluminum jamb and an automatic spring-loaded mechanical drop seal embedded in the bottom leaf rail that deploys upon closing. We provide certified laboratory test reports conforming to ISO 10140-2 / ASTM E90 standards.
Can your door frames accommodate varying wall thicknesses (drywall vs concrete masonry)?
Yes. We manufacture both fixed-width subframe systems and telescoping adjustable two-piece aluminum architraves. The two-piece adjustable casing design accommodates finished wall thicknesses ranging from 100mm to 350mm, absorbing standard construction variances in drywall and concrete blockwork without requiring custom shimming or carpentry trimming on site.
What surface finish options are available to match interior architectural specs?
Our automated finishing workshops provide four primary architectural finishes: (1) AkzoNobel or PPG architectural powder coatings matching any global RAL code, including deep matte and tactile micaceous iron textures; (2) Anodized finishes (clear, champagne, bronze, black) with minimum 15-micron oxide layers; (3) Vacuum thermo-transfer 3D woodgrain patterns (Italian sublimation films) reproducing oak, walnut, or teak textures with zero real-timber maintenance; and (4) Fluorocarbon PVDF coatings for extreme coastal environments.
What are typical production lead times, MOQ thresholds, and sea-freight logistics protocols?
For standard profile configurations, our minimum order quantity (MOQ) begins at 10 sets for bespoke villa residential projects, or 1x20GP container (approx. 180-220 standard interior sets) for commercial developments. Production turnaround is typically 25 to 30 business days following final CAD shop drawing sign-off. We manage full export documentation (Form E, Certificate of Origin, Bill of Lading, CE Declarations of Performance) shipping FOB Shenzhen/Guangzhou or CIF to major international ports worldwide.
Request Your Project Engineering Quote & CAD Package
Submit your door schedule, rough opening sizes, and acoustic/fire specifications. Our technical engineering team will deliver shop drawings, system cross-sections, and factory-direct tiered pricing within 24 hours.
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