Factory Catalog
Featured Custom Aluminum Door & Window Solutions
Explore our export-ready architectural profiles engineered for high-end residential, commercial office partitions, and multi-family developments.
Technical Whitepaper · Part I
Material Science & Structural Metallurgy in Interior Aluminum Door Manufacturing
An engineering breakdown of profile alloy selection, surface anodization, acoustic damping cores, and minimalist frame kinematics for international project specifiers.
In modern architectural fenestration and interior space planning, the transition from traditional timber or hollow-core MDF doors to precision-engineered aluminium inside doors represents a structural paradigm shift. Driven by requirements for dimensional stability, superior acoustic dampening, micro-narrow sightlines, and zero moisture degradation, leading architectural firms and global project developers increasingly mandate custom OEM aluminium inside door systems for luxury residential villas, high-density commercial complexes, and hospitality spaces.
1. Metallurgy & Profile Extrusion Integrity: 6063-T5 vs. 6063-T6
The foundational performance of any custom OEM interior aluminum door depends fundamentally on the raw billet alloy composition and heat-treatment temper. As a premier manufacturer based in Foshan, China—the world’s foremost architectural aluminum extrusion cluster—our manufacturing facility exclusively utilizes primary, non-recycled 6063-T5 and 6063-T6 grade aluminum alloy extrusions.
Key Engineering Takeaway: Standard interior doors fabricated from recycled aluminum scrap suffer from atomic impurities, causing surface micro-pitting, erratic anodizing coloration, and premature hinge-sag due to structural creep. By enforcing virgin 6063-T6 alloy specifications (yielding a minimum tensile strength of 205 MPa and yield strength of 170 MPa), our interior door leaf frames achieve unprecedented structural rigidity with ultra-slim profile depth.
For custom OEM inside door profiles, wall thickness tolerances are strictly governed to maintain structural integrity without adding unnecessary mass. While generic residential doors often utilize substandard 1.0mm to 1.2mm walls, our architectural-grade interior door systems are engineered with profile wall thicknesses ranging from 1.6mm to 3.0mm at load-bearing hinge junction points and lock pocket recesses.
2. Acoustic Engineering & Decibel Attenuation (Rw / STC Performance)
A primary acoustic challenge in open-plan corporate headquarters and luxury residential suites is airborne sound transmission across interior partitions. Standard interior timber doors typically yield a Sound Transmission Class (STC) rating of less than 25 dB, allowing speech and office noise to penetrate effortlessly.
Our OEM custom aluminium inside door assemblies achieve verified sound reduction indices of STC 38 dB to STC 45 dB (Rw 42 dB) through a multi-layered acoustic engineering strategy:
- Perimeter Double-Damping EPDM Gaskets: Continuous co-extruded EPDM (Ethylene Propylene Diene Monomer) synthetic rubber weather-stripping seals the perimeter rebate between frame and sash, eliminating acoustic flanking paths.
- Acoustic Core Infill Options: Door leaves can be specified with high-density rockwool cores (100 kg/m³ density), aluminum honeycomb structure cores with sound-dampening acoustic membranes, or double-glazed laminated glass incorporating acoustic PVB/EVA interlayers.
- Automatic Drop-Down Bottom Seals: Spring-loaded automatic drop seals concealed within the bottom profile deploy seamlessly upon door closure, sealing the gap against the finished floor without requiring raised thresholds.
3. Advanced Surface Treatments & Environmental Resilience
Unlike organic wood or painted steel doors vulnerable to humidity expansion, termites, and surface scratching, custom OEM aluminium inside doors feature inorganic, molecularly bonded surface finishes designed to survive intense traffic and harsh interior micro-climates (such as high-humidity bathrooms and coastal installations).
| Surface Treatment Type | Coating Thickness | Scratch Hardness (Pencil) | Corrosion / Salt Spray Resistance | Best Architectural Application |
|---|---|---|---|---|
| Architectural Powder Coating | 60 – 80 Microns | ≥ 2H - 3H | 1,000 Hours (ASTM B117) | Custom RAL Color-Matched Residential & Office Suites |
| Anodized Matt Matte / Satin | 15 – 25 Microns | ≥ 4H - 5H | 3,000 Hours (ASTM B117) | High-Traffic Commercial, Luxury Minimalist Partitions |
| Fluorocarbon PVDF Spraying | 30 – 40 Microns | ≥ 3H | 4,000 Hours (ASTM B117) | Coastal Resorts, High-UV Interior Sunrooms & Atriums |
| 3D Heat-Transfer Wood Grain | 60 – 75 Microns | ≥ 2H | 1,500 Hours (ASTM B117) | Biophilic Hospitality Spaces Requesting Natural Timber Texture |
Procurement Trends 2025–2030
Future Trends in Global Interior Aluminum Door Sourcing
Key market drivers, technological innovations, and architectural preferences transforming the global B2B supply chain for inside aluminum doors.
1. Ultra-Slim Sightlines & Concealed Hardware Integration
Architectural demand is rapidly moving away from bulky 80mm traditional frames toward micro-frame profiles with visible face widths as narrow as 16mm to 30mm. Concurrently, 3D adjustable concealed hinges and magnetic latch locks are becoming standard requirements to create completely flush wall-to-door transitions.
2. Smart Access & Bio-Metric Concealed Hardware
Inside doors are shifting from purely mechanical barriers to smart building endpoints. Global importers now routinely request OEM profile machining pre-routed for 3D facial recognition handles, RFID card access, dynamic LED status strips, and hidden wire pass-through channels for hotel keycard integration.
3. PDLC Smart Switchable & Electrochromic Glazing
The integration of Polymer Dispersed Liquid Crystal (PDLC) privacy glass inside double-glazed aluminum door leaves allows instant transitions from transparent to opaque with a wall switch or smartphone app. This eliminates dusty blinds in executive conference rooms and medical partitions.
4. Low-Carbon Recyclability & EPD Environmental Credentials
With global green building standards (LEED v4.1, BREEAM, WELL) mandating strict carbon footprint disclosures, European and North American buyers prioritize aluminum door factories with verified Environmental Product Declarations (EPD) and ISO 14064 carbon audits.
Factory Expertise
Why Global Project Dealers & Importers Partner with Our OEM Factory
Leveraging Foshan's premier industrial ecosystem to provide turnkey aluminum interior door manufacturing, strict quality engineering, and seamless international shipping logistics.
As a specialized OEM & ODM aluminum door and window exporter, our operations are built specifically to service B2B commercial contractors, real estate developers, building material wholesalers, and architectural specification teams. We bridge the gap between complex architectural concepts and mass-production physical deliverables.
Full OEM/ODM Customization Capabilities
Every interior space demands unique spatial geometry. We do not enforce restricted stock sizing. Instead, every production line job operates off approved CAD shop drawings and 3D BIM models finalized with your project engineers:
- Custom Frame Types: Concealed/hidden flush frames, telescopic architrave frames, narrow side-light integrated frames, and floor-to-ceiling trackless sliding headers.
- Door Leaf Configurations: Single leaf swing, double equal/unequal leaf French style, pocket sliding doors, heavy-duty synchronized sliding partitions, bi-folding interior space dividers, and 360-degree center-pivot doors.
- Custom Hardware Routing: High-precision CNC milling for European standard mortise lock bodies (e.g., 5572, 6072, magnetic latches), concealed pivot hinges, hidden soft-close dampers, and flush pull handles.
- Private Labeling & Packaging: Custom laser-etched dealer logos on glass profiles, protective film with custom brand graphics, and export wooden crate sorting categorized by room opening numbers.
100% Pre-Shipment Dry Assembly & Quality Inspection: To mitigate on-site installation failures overseas, every order undergoes complete mock-up assembly in our factory testing bay. Our QC inspectors measure dimensional tolerances (±0.5mm), inspect glass seal integrity, verify smooth hinge torque, and issue detailed pre-shipment photo & video reports prior to container loading.
Material Comparison: Aluminum Inside Doors vs. Alternative Materials
| Performance Metric | Custom OEM Aluminium Inside Doors | Solid Timber / HDF Wood Doors | Hollow Core Steel Interior Doors |
|---|---|---|---|
| Moisture & Water Resistance | 100% Waterproof, Zero Swelling / Rotting | Vulnerable to warping & surface peeling | Prone to rust if paint skin is damaged |
| Dimensional Stability | Zero contraction/expansion across -30°C to +80°C | High seasonal movement causing frame jam | Moderate expansion in extreme temperature |
| Sightline Minimalism | Ultra-slim (16mm - 30mm face widths) | Bulky profiles (70mm - 110mm face widths) | Heavy industrial frame sightlines |
| Lifespan & Maintenance | 30+ Years, zero repainting required | 10-15 Years, periodic re-varnishing needed | 15-20 Years, susceptible to denting |
| Acoustic Damping Potential | High (STC 38dB - 45dB with sound core & seals) | Moderate to Low (STC 22dB - 32dB) | Low (Echo chamber effect unless filled) |
Procurement Intelligence
Frequently Asked Questions for Sourcing & Import Managers
Essential answers regarding MOQ, custom CAD engineering, quality standards compliance, shipping packing, and factory OEM workflows.
Because every unit is manufactured to custom architectural shop drawings, we accommodate single-project orders (minimum 10 to 20 door units) as well as full 20ft/40ft container shipments for regional distributors. For custom extrusion profile creation (requiring new die tooling), the profile extrusion MOQ is typically 500 kg per section, which can be stored in our warehouse for multi-phase releases.
Yes. Our engineering team routinely manufactures according to European CE (EN 14351-1), North American NFRC/NAFS, Australian AS2047, and Singapore BCA specifications. We ensure that tempered glass glazing carries SGCC, CE, or AS/NZS 2208 safety certifications and that hardware cutouts match local standard locksets (such as ANSI Grade 1 or DIN mortise locks).
Upon receipt of your architectural door schedule or floor plan, our CAD department generates 1:1 scale shop drawings detailing frame elevations, wall anchoring details, frame-to-leaf clearance gaps, hardware positioning, and glass specifications. Production only commences after formal written sign-off and stamp approval from your project manager or architect.
Export door assemblies undergo a 5-layer protective packaging sequence: (1) Scratch-resistant PE film covering all powder-coated surfaces; (2) Thick corner guards on all frame edges; (3) High-density EPE foam wrap; (4) Heavy-duty corrugated cardboard casing; and (5) Fully enclosed fumigated plywood crates reinforced with steel banding. Crates are labeled with opening reference codes matching your construction site installation plan.
Standard production lead time is 18 to 25 calendar days following shop drawing sign-off and deposit confirmation. For custom anodized finishes, specialized wood grain heat transfers, or custom PDLC smart glass integration, lead time is approximately 25 to 30 days. Expedited shipping channels can be arranged for urgent mock-up rooms or flagship commercial projects.
We provide both options. We maintain supply partnerships with world-class hardware brands (Hoppe, Dormakaba, Hafele, Savio, Siegenia) as well as premium high-durability factory-standard hardware. Alternatively, you can provide your hardware physical samples or technical template files, and our CNC machinery will cut profile recesses to exact millimeter tolerances.
Partner with a Leading Foshan Custom OEM Aluminium Inside Door Factory
Submit your door schedules, project blueprints, or OEM distribution requirements. Our senior architectural engineering team provides comprehensive technical consultations and competitive factory-direct quotations within 24 business hours.
