Featured OEM/ODM Catalog
Architectural Aluminum Doors & Windows Portfolio
Precision-manufactured thermal break aluminum systems compliant with international building codes (AS2047, NFRC, CE, SGCC). Select a configuration below or request custom structural engineering drawings.
China GKBM Anthracite Grey Double-glazing Thermal Break Aluminum Casement Window
High Quality Sliding Window Aluminum With Insert Blinds and Timber Reveal Double Glazed Slide Window
ZEKIN Aluminum Entrance Door Aluminum Front Entry Door Exterior Pivot Door Front Security Gate Artificial Intelligence Lock
OUNA NOA Florida Standard High Impact 80PSF Hurricane Proof Sliding Door Aluminum Patio Door with Tinted Glass for Villa
PDP Hurricane Impact Aluminum Alloy Waterproof Minimalist Exterior & Interior Casement French Doors High-Transparency Screen
OUNA Wholesale Best Modern Design Front Entry Door Fireproof Apartments Solid Aluminum Finished Exterior Lock Entry Doors
ZEKIN Aluminum Modern Luxury Security Metal Door Residential Front Entry Exterior Pivot Door Apartment House Main Entrance Door
6063-T6
Architectural Alloy Grade
PA66-GF25
Polyamide Thermal Barrier
400 KG
Max Heavy-Duty Roller Load
100% QC
Pre-Shipment Shop Assembly
Structural Engineering Whitepaper
OEM/ODM Aluminium Sliding Doors with Side Windows: Structural Dynamics & Thermal Performance
An authoritative technical analysis for real estate developers, architectural specifiers, fenestration importers, and facade engineering consultants.
Modern architectural design increasingly demands wide-format daylighting solutions that seamlessly blur the boundary between interior living spaces and exterior environments. An aluminium sliding door with side windows (sidelights and transoms) represents the pinnacle of multi-functional fenestration engineering, combining high-operability sliding panels with fixed high-transmittance glass units within a unified structural frame.
Information Gain Insight: Unlike standard standalone sliding patio doors, integrating fixed side windows directly into a sliding door system requires comprehensive structural mullion calculation. The lateral wind pressure acting upon the combined surface area creates significant moment forces ($M_x$) at the T-junctions and structural mullions. Our Foshan factory utilizes custom-extruded reinforced vertical mullions with internal steel or aluminium stiffeners to guarantee structural deflection within strictly controlled tolerances ($L/175$ to $L/240$).
1. Profile Alloy & Thermal Decoupling Technology
The core structural integrity of our OEM/ODM aluminium sliding door series relies on primary 6063-T5 and 6063-T6 high-tensile aluminium profiles. Extruded to meet strict wall thickness criteria (minimum 2.0mm to 3.0mm for structural door sashes and heavy-duty frame tracks), these profiles provide unmatched mechanical stability against twisting, thermal expansion, and structural sagging.
To eliminate the natural conductivity of aluminium and achieve ultra-low overall U-values ($U_w \le 1.4 \text{ W/m}^2\text{K}$), our systems incorporate multi-cavity PA66-GF25 (Polyamide 66 reinforced with 25% glass fiber) thermal break strips. This thermal decoupling layer isolates the exterior profile frame from the interior room profile, blocking energy transfer, preventing surface condensation, and dramatically reducing HVAC thermal loads in both cold and tropical climate zones.
2. Sidelight Integration & Structural Mullion Engineering
Integrating fixed side windows adjacent to dynamic sliding panels requires sophisticated profile geometry. Our engineering design provides two primary coupling options for international OEM/ODM clients:
- Monolithic Multi-Track Outer Frame: The outer frame track is extruded as a single continuous profile incorporating both the sliding panel tracks and the fixed sidelight glazing pocket. This eliminates joint leakage, reduces installation labor on-site, and provides a clean structural appearance.
- Heavy-Duty Structural Coupler (Snap-Mullion): For large-span project transport where single outer frames exceed shipping container dimensions, sliding door sub-assemblies are connected to independent side window modules using high-moment interlocking aluminium mullion couplers sealed with EPDM gaskets.
3. Insulated Glazing Units (IGU) & Weather-Sealing Matrix
Glass accounts for over 80% of the fenestration surface area. Our factory supplies fully customized double and triple insulated glass configurations designed to meet rigorous acoustic and energy requirements:
- Double-Glazed Low-E IGU: 6mm Toughened Glass + 12A/16A Argon Gas Gap + 6mm Low-E Coated Glass. Achieves solar heat gain coefficient (SHGC) optimization down to 0.28.
- Hurricane Impact Laminated Glazing: 6mm Tempered + 1.52mm SGP (SentryGlas) / PVB + 6mm Tempered Glass, engineered to withstand design wind pressures up to 80 PSF under ASTM E1300 and Florida Building Code NOA specifications.
- Acoustic Isolation Stack: Asymmetric glass thickness combinations (e.g., 8mm outer + 15A + 6mm inner) combined with warm-edge Technoform spacers lower outdoor noise pollution by up to 42 dB ($R_w$).
Hardware & Finishing Excellence
Industrial Customization & OEM System Capabilities
Engineered from hardware components to surface finishing for extreme durability in coastal, arctic, and high-salinity environments.
Surface Coating Systems
Choice of AkzoNobel Fluorocarbon PVDF coating (10-25 year weatherability guarantee), Qualicoat Class 2 Architectural Powder Coating, or anodized finishes (15–25 microns) offering superior resistance against UV degradation and atmospheric corrosion.
Multi-Point Locking Hardware
Fully integrated hardware systems from premier brands (Siegenia, Hoppe, GU, CMECH). Features anti-lift security pins, stainless steel multi-point locking hooks, and concealed flush latches tested to PAS 24 security standards.
Heavy-Duty Rollers & Tracks
Precision-machined stainless steel tandem rollers paired with high-durability stainless steel track inserts. Operates effortlessly with low pushing forces (<15N) even under massive panel weights up to 400 kg per sash.
Market Intelligence
Future Industry Trends in Aluminium Sliding Door Sourcing
Key technological shifts and supply chain evolutions shaping B2B procurement decisions over the next decade.
1. Ultra-Slim Sightline Minimalist Systems
Architectural preference is shifting rapidly toward ultra-narrow interlock profiles (as thin as 16mm–21mm sightlines). These minimalist lift-and-slide door systems maximize glass area while concealing the outer frame into building walls, creating a seamless visual transition to adjacent fixed side windows.
2. Barrier-Free Flush Sill Thresholds
Universal accessibility standards (ADA compliance) are driving demand for completely recessed, flush floor track transitions. Advanced linear drainage channels integrated beneath the sliding door tracks ensure zero water ingress while providing smooth, trip-free passage between indoor and outdoor living zones.
3. Motorized Smart Automation & Switchable Glass
The integration of concealed low-noise electric actuators allows heavy glass panels to operate via smartphone apps, wall switches, or smart home automation. Side windows are increasingly specified with PDLC (Polymer Dispersed Liquid Crystal) smart switchable glass for instant privacy control.
4. Carbon Decarbonization & Green Aluminium
Institutional buyers in North America and Europe now require Environmental Product Declarations (EPD). Modern fenestration factories are sourcing low-carbon primary aluminium smelted via hydropower alongside post-consumer recycled billets to satisfy international green building certifications (LEED, BREEAM).
5. Modular Pre-Glazed Sub-Assembly Export
To minimize expensive overseas jobsite labor, procurement models are moving toward factory pre-glazed, pre-fitted modular units. Sidelight frames arrive with pre-installed gaskets and hardware, dramatically reducing on-site installation error and total installation time.
6. Integrated Insect & Security Mesh Solutions
High-end residential projects favor integrated multi-track systems that house sliding glass panels alongside heavy-duty 304/316 stainless steel security mesh screens (0.8mm wire thickness), providing ventilation without compromising home security.
Engineering Specifications
Aluminium Sliding Door System Comparison Matrix
Compare core technical parameters across our major sliding door product lines to select the optimum profile series for your project requirements.
| System Category | Frame Depth | Thermal Break | Max Panel Weight | Wind Load (Design Pressure) | Typical U-Value Range | Best Application |
|---|---|---|---|---|---|---|
| Heavy-Duty Lift & Slide Door | 140mm – 200mm | PA66-GF25 (24mm–34mm) | 400 kg / panel | up to 70 PSF (3.35 kPa) | 1.2 – 1.6 W/m²K | Luxury Villas, High-End Resorts, Large Openings |
| Slim-Frame Panoramic Slider | 115mm – 160mm | Polyurethane / PA66 | 300 kg / panel | up to 55 PSF (2.63 kPa) | 1.4 – 1.8 W/m²K | Modern Residences, High-Rise Penthouse Patios |
| Hurricane Impact Sliding Door | 150mm – 180mm | Heavy Structural Decoupling | 350 kg / panel | 80+ PSF (3.83 kPa) | 1.5 – 2.0 W/m²K | Coastal Zones, Florida NOA Projects, Tropical Belts |
| Standard Commercial Sliding Door | 90mm – 120mm | Optional / Non-Thermal | 180 kg / panel | up to 40 PSF (1.91 kPa) | 2.2 – 3.2 W/m²K | Multi-Family Apartments, Commercial Shopfronts |
Veltor Factory Excellence
Why Direct Importers Partner with Our Foshan Factory
Located in Shishan Town, Nanhai District, Foshan, Guangdong—China’s premier architectural aluminium manufacturing cluster—Veltor Window & Door Co., Ltd. delivers turnkey ODM/OEM manufacturing.
Direct Ecosystem Access
Direct proximity to top extrusion plants, specialized anodizing/powder-coating facilities, and certified glass fabricators ensures fast production lead times, superior quality control, and competitive factory-direct pricing.
5-Stage Quality Assurance
Every order undergoes: 1. Raw billet chemical spectroscopy check, 2. CNC dimensional precision milling audit, 3. 100% pre-shipment mock-up frame assembly, 4. Water tightness pressure box testing, 5. Custom export wooden crate packaging.
Complete Engineering Support
Our dedicated English-speaking structural engineering team translates architectural floor plans into detailed AutoCad/BIM CAD shop drawings, providing structural wind load calculations and U-value simulation reports before cutting profiles.
B2B Sourcing FAQ
Frequently Asked Questions by Importers & Specifiers
Get immediate technical clarity on custom manufacturing, export logistics, minimum order quantities, and performance compliance.
How are structural sidelights coupled to the main sliding door frame during export shipping?
Depending on overall shipping container dimensions, systems can either be manufactured as a monolithic outer frame or supplied with continuous heavy-duty structural snap-mullions. For knocked-down (KD) shipments, sidelights connect via pre-machined corner cleats and heavy EPDM gaskets, allowing rapid, watertight assembly on site.
What is the practical Minimum Order Quantity (MOQ) for custom OEM orders?
Because every window and door system is made to measure according to project shop drawings, VELTOR accepts single-villa custom orders as well as full container load (FCL) distributor shipments. The practical minimum is usually dictated by shipping economics, and we actively assist buyers in consolidating windows, doors, and hardware into single shipments.
Can your sliding door with side windows meet local wind-load and hurricane codes?
Yes. We engineer profiles specifically against target wind loads, water tightness, air permeability, and impact requirements. For hurricane zones such as Florida or Australia’s Cyclone Region C/D, we incorporate reinforced aluminium wall profiles (up to 3.0mm) paired with SGP laminated glass systems capable of resisting up to 80 PSF design wind pressures.
How does your factory protect glass units and frames during ocean transport?
Profiles are individually wrapped with anti-scratch protective film and corner guards. Complete pre-glazed units are isolated with rubber spacing blocks and packed inside fully enclosed, fumigated wooden crates reinforced with steel strapping. Each package carries a barcode tag indicating opening numbers corresponding to project shop drawings.
What is the typical production lead time after drawing confirmation?
Standard production lead time ranges between 25 to 35 business days following final approval of CAD shop drawings and receipt of deposit. Specialized powder coating finishes or custom-imported hardware brands may add 5–10 days to the schedule, which is clearly detailed in our formal production schedule.
Do you provide private-label branding and custom hardware options for dealers?
Yes. As a primary OEM/ODM factory, we support full private-label manufacturing. We offer laser-etched logo branding on hardware handles, custom protective film printing, customized corner sample display kits, and dedicated technical catalogs for our regional project dealers.
Ready to Standardize Your OEM/ODM Window & Door Procurement?
Send us your architectural window schedule, CAD floor plans, or project specifications. Our structural fenestration engineers will provide shop drawing proposals, system recommendations, and factory-direct quotation within 24 hours.
