Heavy Duty
Precision Fenestration Lineup
Featured Aluminium Interior Doors & Architectural Fenestration
Engineered for luxury villas, hospitality developments, and high-traffic corporate environments. Produced in an ISO-audited 180,000㎡ industrial facility utilizing precision 6063-T5/T6 alloy profiles.
Slim Sightline
Acoustic Break
Flush Sash
AS2047 Certified
Roof Fenestration
Luxury Lift & Slide
Commercial Interior
Engineering Specifications
Material Science: Structural Integrity & Acoustic Barrier Design
Modern interior architectural doors have evolved beyond basic room dividers into engineered acoustic partitions, fire safety retardants, and thermal boundary regulators.
6063-T5 / 6060-T6 Extruded Alloy
Primary structural stiles and bottom rails are cast from virgin primary billet aluminium without scrap contaminants. Engineered profile wall thicknesses range from 2.0mm to 3.0mm, preventing warping, sag, or torsional twist on floor-to-ceiling door panels up to 3800mm in height.
Acoustic Attenuation (STC 32 – 44 dB)
Acoustic isolation relies on dual-durometer EPDM perimeter compression gaskets and bottom automatic mechanical drop-seals. Combined with laminated PVB or acoustic SentryGlas interlayer units, interior doors effectively mitigate ambient noise between private bedrooms, home cinemas, and executive boardrooms.
Advanced Surface Conversion & Finishes
Finished via Qualicoat Class 2 architectural powder coatings (60-80μm film thickness), fluorocarbon PVDF spraying, or chemical electrolytic anodizing (Class 15/25). These industrial treatments yield superior scratch resistance, resistance to indoor cleaning chemicals, and total color stability under UV sunlight exposure.
| System Classification | Wall Profile Gauge | Acoustic Rating (STC) | Max Panel Height | Glazing Options | Target Architectural Applications |
|---|---|---|---|---|---|
| Slim-Profile Minimalist Partition | 1.6mm – 2.0mm 6063-T5 | 32 – 35 dB | 3200 mm | 8mm / 10mm Monolithic Tempered Glass | Kitchen zoning, master walk-in wardrobes, study room dividers |
| Concealed Pocket & Cavity Slider | 2.0mm – 2.5mm 6063-T6 | 36 – 40 dB | 3500 mm | 5G+12A+5G Insulated / 6.38mm Laminated | Luxury hotel suites, executive conference rooms, living room transitions |
| Heavy-Duty Acoustic Flush Casement | 2.2mm – 3.0mm 6060-T6 | 40 – 44 dB | 3000 mm | Double Glazed Acoustic Laminated (6+0.76PVB+6) | Home theater, recording studios, corporate confidential boardrooms |
| Timber-Alu Composite Hybrid Interior | Multi-Chamber Aluminum + Solid Oak | 38 – 42 dB | 2800 mm | Solid Core Panel + 12mm Argon Double Glazing | High-end residential bedrooms, luxury penthouses, presidential suites |
Manufacturer Profile & Scale
DERCHI: Enterprise Manufacturing Capabilities & OEM Scalability
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) represents China's gold standard in bespoke aluminium window and door engineering, operating an advanced mega-scale supply hub in Foshan.
25+
Years Engineering Expertise
180,000㎡
Smart Manufacturing Base
600+
Skilled Craftsmen & Engineers
100+
Global Patents & Certifications
Stringent Global Certifications
Our interior door systems and architectural fenestration are rigorously audited and conform to CE (EN 14351-1), ISO9001 Quality Management Systems, Australian AS2047 N6 cyclonic testing, and UL fire door safety standards. Every project package includes certified structural wind load, air tightness, and acoustic test reports.
5-Axis CNC Precision Machining
Equipped with high-precision German 5-axis CNC machining centers, profile end-milling machines, and computerized corner crimping stations. All hinge mortises, magnetic latch cutouts, and concealed drop-seal channels are pre-milled to an engineering tolerance of ±0.2mm, ensuring flawless on-site installation.
Consolidated Multi-Product Sourcing
B2B buyers, general contractors, and overseas developers eliminate intermediary markups by consolidating entry pivot doors, interior aluminium flush doors, sliding pocket systems, and architectural windows into unified factory-direct container shipments—drastically lowering overall shipping costs.
Market Analysis & Forecast
Future Procurement Trends in Aluminium Interior Doors (2025–2030)
Global architectural interior design is undergoing a paradigm shift. Commercial developers, quantity surveyors, and luxury residential clients demand sleek minimalism, smart automation, and verifiable green building ratings.
TREND 01
+28% YoY
Ultra-Narrow Ghost Sightlines
Demand is surging for 12mm–16mm ultra-narrow visible stiles and fully concealed ceiling-recessed pocket tracks. The "invisible door" aesthetic eliminates bulky trim, allowing uninterrupted sightlines and seamless floor finishes.
TREND 02
+34% YoY
Smart Biometric & IoT Hardware
Transition from traditional mechanical locks to integrated magnetic silent latches, concealed face-ID scanners, smartphone Bluetooth BLE control, and motorized soft-closing damper systems in hospitality and smart home projects.
TREND 03
+41% YoY
Circularity & Low-Carbon Billet
Under stringent LEED, BREEAM, and European ESG carbon disclosure standards, procurement officers explicitly demand hydro-powered, certified low-carbon recycled aluminium billets (less than 4.0 kg CO2 per kg Al produced).
TREND 04
+22% YoY
Pre-Hung Modular Cassette Units
To mitigate high overseas jobsite labor costs, developers favor factory pre-hung door packages. These arrive complete with precision sub-frames, pre-machined hardware, and snap-in clip profiles for rapid on-site assembly.
Strategic B2B sourcing has moved beyond basic pricing comparisons toward Total Cost of Ownership (TCO) and lead-time predictability. Leading institutional real estate developers and general contractors require direct API tracking of production cycles, full BIM Revit families for clash detection during architectural design phases, and bonded ocean packing guarantees. For hospitality developments in high-humidity coastal zones (such as Southeast Asia, the Caribbean, and coastal Latin America), timber doors frequently warp, blister, and rot within 24 to 36 months. Switching to architectural-grade aluminium interior door systems guarantees a 30-year operational lifecycle with zero dimensional expansion or contraction.
Technological Evolution
Key Technological Developments in Aluminium Door Systems
How advanced metallurgical alloys, magnetic levitation sliding carriages, and fluorocarbon 3D texture applications are redefining modern architectural fenestration.
Magnetic Levitation (Maglev) Tracks
Replacing mechanical bearings with electromagnetic levitation linear tracks. Maglev sliding systems eliminate kinetic friction and roller wear, offering nearly silent sliding operation (<25dB) and allowing heavy panels over 200kg to glide effortlessly with minimal fingertip force.
Concealed 3D Adjustable Pivot Hinges
High-performance concealed pivot hardware allows smooth 180° bidirectional swings with integrated 90° hold-open and hydraulic self-closing mechanisms. Structural hinges support door leaves up to 1500mm wide and 3800mm tall without requiring header transom lintels.
Polymer Vacuum Heat-Transfer Wood Grain
High-temperature vacuum thermal transfer infuses real Italian wood grain patterns into durable polyurethane powder basecoats. This achieves the warmth, tactile grain, and visual depth of natural walnut, teak, or white oak with the fireproof, termite-proof, and waterproof qualities of aluminium.
Procurement Intelligence
Frequently Asked Questions for Project Specifiers & Importers
Critical insights on engineering shop drawings, international building codes, logistics crates, and custom manufacturing tolerances.
Q1 What are the primary differences between 6063-T5 and 6061-T6 alloys for interior doors?
Alloy 6063-T5 is the architectural standard across high-end door fabrication due to its exceptional surface finish quality, superior anodizing response, and crisp extrusion definition. It exhibits a yield strength of ~145 MPa. For ultra-tall pivot doors exceeding 3500mm or high-traffic heavy-duty commercial thresholds, we utilize 6061-T6 or 6060-T66 alloys, which provide yield strengths exceeding 240 MPa to ensure zero deflection under continuous dynamic cycling.
Q2 How does DERCHI ensure soundproofing performance across glass interior door systems?
Acoustic attenuation in aluminium doors is a multi-barrier system. We incorporate multi-cavity extrusion profiles, dual-fin continuous co-extruded EPDM weatherstripping, automatic spring-activated mechanical bottom drop-seals (such as Athmer or custom CNC units), and acoustic PVB laminated glass panels (ranging from 6.38mm to 12.76mm acoustic sandwich glass). These systems achieve tested Sound Transmission Class (STC) ratings between 35 dB and 42 dB, effectively insulating against office conversation and exterior corridor noise.
Q3 Can DERCHI manufacture interior doors that integrate with European third-party hardware?
Yes. In addition to our proprietary precision hardware collections, our 5-axis CNC lines custom mill profile chambers to accept standard European sash grooves (Euro-Groove standard), allowing seamless drop-in integration with German and Italian hardware brands such as Dormakaba, Hafele, Sobinco, Siegenia, and AGB magnetic latches. Project specifiers simply provide the hardware model numbers, and our drafting team supplies exact milling templates.
Q4 What is the standard production lead time and export crating protocol for ocean shipping?
Standard production cycles are 25 to 35 calendar days following client approval of CAD shop drawings. For international logistics, each door leaf and frame is wrapped in 0.2mm protective PE film, shielded with 15mm thick high-density EPE foam corner protectors, and packed into fumigation-free solid plywood crates reinforced with galvanized steel strapping. Crates feature integrated bottom forklift skids and moisture-absorbent silica packs to prevent moisture damage during transoceanic shipping.
Q5 Does the factory supply BIM objects and CAD shop drawings prior to cutting?
Yes. Every custom B2B order receives full engineering support. Within 48 to 72 hours of receiving your architectural door schedule and floor plans, our structural engineering team delivers free detailed 2D DWG/DXF shop drawings and 3D Revit (.rfa) BIM models. Production begins only after the client or supervising project architect reviews and officially signs off on all dimensions, wall clearances, finishes, and swing directions.
Q6 What warranties and after-sales support are provided to international contractors?
DERCHI provides a comprehensive 10-year structural warranty on all extruded aluminium profiles and surface treatments (against chalking, cracking, or peeling under normal interior conditions) and a 5-year warranty on moving mechanical hardware and glass seals. For large commercial projects, we supply a 2% spare hardware kit (rollers, latches, gaskets) in the container and provide remote on-site video installation guidance aligned with your local time zone.
Procurement Best Practices
The Strategic B2B Interior Door Sourcing Checklist
Key quality verification checkpoints for structural consultants, hospitality procurement directors, and commercial developers before releasing production deposits.
1. Extrusion & Alloy Purity
Require factory mill test certificates verifying the use of primary 6063/6060 aluminum billets. Confirm profile wall thickness complies with national building standards (minimum 1.6mm for non-bearing partitions, 2.0mm+ for moving leaves) to prevent sagging.
2. Gasket Elasticity & Miter Sealing
Verify the inclusion of automotive-grade vulcanized EPDM or Santoprene gaskets rather than cheap PVC, which shrinks and cracks. Ensure 45° frame corners utilize heavy-duty cast aluminum corner cleats with structural epoxy injection.
3. Safety Glazing Certifications
Inspect safety markings on all glass panels. Architectural interior glass must carry verified safety glass stamps compliant with SGCC (ANSI Z97.1 - USA), CE (EN 12150 - Europe), or AS/NZS 2208 (Australia/New Zealand) to prevent hazardous fragmentation.
Request Comprehensive Architectural Catalog & Factory Price List
Direct factory wholesale rates, full technical CAD libraries, and custom profile extrusion services. Partner with Foshan's premier door manufacturing facility for your upcoming residential or commercial developments.