Featured OEM Custom Aluminium Doors & Windows
Certified profile systems, thermal break structures, impact-resistant safety glass, and heavy-duty architectural hardware engineered to exact client specifications.
NFRC Certified
US NFRC Customized Balcony Exterior Folding Glass Doors
Heavy-duty exterior bi-fold system engineered with thermal break extrusion profiles, multi-point locking mechanisms, and SGCC-certified safety tempered glass.
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Top-Hung System
Panoramic Bi-Fold Heavy Duty Top-Hung Patio Doors
Ultra-smooth stainless steel top roller mechanism supporting heavy panel loads for seamless indoor-outdoor transitioning in luxury residential villas.
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OEM Custom
Custom Aluminium Folding Glass Door for Terrace & Patio
Customizable opening configurations (330, 431, 550) featuring high-density EPDM compression gaskets for superior wind and rain sealing.
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Thermal Break
Modern Thermal Break Double Glazed Bifold Exterior Doors
Equipped with Technoform PA66-GF25 thermal insulation strips, minimizing energy loss and preventing condensation in demanding climates.
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CSA Certified
Durable Aluminium Interior Sliding Doors for Villas
Minimalist white powder-coated aluminum framing with soft-close dampener systems designed for space-conscious luxury interiors.
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Hurricane Impact
Hurricane Impact-Proof Double Glazed Thermal Break Windows
Engineered for extreme coastal weather condition ratings, using laminated safety glass and reinforced aluminum profile walls.
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Vertical Slide
Modern Vertical Slide Double Hung Aluminium Windows
Precision constant-force spring counter-balance mechanism designed specifically for modern residential and North American standard construction.
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AS2047 Standard
AS2047 Soundproof Double Glazed Aluminium Awning Windows
Australian standard compliant outward-opening awning design delivering up to 42dB acoustic reduction and superior rain shelter performance.
Get CatalogFoshan Enterprise Advantages & Engineering Rigor
Operating a 10,000 m² standardized manufacturing facility in Songxia Industrial Park, Nanhai District, Foshan — the worldwide epicentre of architectural aluminium production.
Aluminium Extrusion Excellence
We strictly utilize primary 6063-T5 / T6 architectural aluminium alloy billets with profile wall thicknesses ranging from 1.4mm to 3.0mm, exceeding international structural stability requirements.
Comprehensive Global Certification
Fully compliant with international building codes, holding CE (EN 12150), US SGCC, Australia AS 2208, AS/NZS 2208, Thailand TISI 965-2560, and Malaysia CIDB PPS certifications.
Bespoke CAD/BIM Engineering
Our dedicated engineering department translates architectural drawings into detailed shop drawings, analyzing structural wind-load pressure, water tightness, and U-factor thermal modeling.
B2B Sourcing Guide: Strategic OEM OEM Aluminium Door Sourcing
Technical considerations, material engineering benchmarks, and quality validation processes for commercial developers, architects, and global distributors.
1. Structural Metal Profile Selection: 6063-T5 vs. 6063-T6 Alloys
In high-end architectural door and window fabrication, profile integrity is non-negotiable. Leading OEM manufacturers in Foshan specify primary billet 6063 aluminium alloy. Heat treatment plays a pivotal role:
- 6063-T5 Alloy: Rapidly cooled from an elevated temperature shaping process and artificially aged. It provides excellent surface finish quality, making it the industry standard for complex extrusion profiles, door frames, and sliding windows.
- 6063-T6 Alloy: Solution heat-treated and artificially aged. T6 temper delivers higher ultimate tensile strength (up to 205 MPa vs 175 MPa for T5) and yield strength, essential for structural curtain walls, heavy-duty commercial bi-fold doors, and hurricane-impact framing.
To guarantee weather resistance, profiles undergo surface treatment technologies including Fluorocarbon (PVDF) spray coating (exceeding AAMA 2605 standards for coastal salinity resistance), Anodizing (Class 10/15 film thickness), and Electrophoretic powder coating.
2. Thermal Break Technology & Energy Efficiency Ratings
Modern building energy codes (such as US IECC, European EPBD, and Australian NCC) strictly enforce low thermal transmittance rates (U-factors). Non-thermal aluminium profiles act as thermal bridges, permitting rapid heat conduction. OEM door factories utilize multi-chamber thermal breaks to disrupt this heat flow.
| Thermal System | Insulation Strip Type | Typical U-Value (W/m²K) | Acoustic Rating (Rw) | Recommended Application |
|---|---|---|---|---|
| Standard Non-Thermal | None (Solid Aluminium) | 5.0 - 6.2 W/m²K | 25 - 28 dB | Interior partitions, mild climate regions |
| Standard Thermal Break | PA66-GF25 Strip (14.8mm - 24mm) | 2.2 - 2.8 W/m²K | 32 - 36 dB | Residential villas, moderate climates |
| High-Performance Thermal | Multi-Cavity PA66 + Foam Infill | 1.2 - 1.8 W/m²K | 38 - 44 dB | Passive House, cold/extreme climates |
| Ultra-Slim Thermal Sliding | Polyamide + Aerogel Insulation | 1.0 - 1.5 W/m²K | 40 - 45 dB | Luxury panoramic patio openings |
The insertion of Polyamide 66 reinforced with 25% glass fiber (PA66-GF25) ensures that the thermal break coefficient matches the expansion coefficient of aluminium, preventing structural failure under extreme temperature fluctuations (-30°C to +80°C).
3. Glazing Specification: Safety, Solar Control, and Soundproofing
Glass accounts for up to 85% of an aluminium door system's total surface area. Professional OEM factories offer custom glass configurations backed by global safety certifications:
- Tempered Safety Glass (SGCC / CE EN 12150): Heat-treated glass possessing 4 to 5 times the strength of standard annealed glass. Upon impact, it fractures into small, blunt cubic fragments to prevent injury.
- Double/Triple Glazed Insulating Glass Units (IGU): Dual panes separated by warm-edge spacers filled with 90%+ Argon gas to suppress conductive and convective thermal transfer.
- Laminated Impact Glass (AS/NZS 2208): Features a resilient Polyvinyl Butyral (PVB) or SentryGlas (SGP) interlayer bonded between glass sheets. Critical for hurricane zones, bullet-resistant security doors, and high-acoustic isolation requirements.
- Low-E Coatings: Spectrally selective magnetron sputter coatings reflect long-wave infrared heat while permitting maximum visible light transmittance (VLT).
4. Future Sourcing & Procurement Trends (2025–2030)
The global market for custom aluminium doors and windows is evolving rapidly driven by green building standards, automation, and architectural minimalism:
1. Minimalist Sightlines
Interlocking stile widths reduced to as narrow as 18mm to 25mm, maximizing floor-to-ceiling glass exposure without compromising structural load capacity.
2. Smart Motorization
Integration of concealed magnetic levitation motors, smartphone app controls, automated rain sensors, and smart home connectivity.
3. Decarbonized Aluminium
Increased demand for low-carbon aluminium extruded using renewable hydro or solar energy, accompanied by Environmental Product Declarations (EPDs).
Standardized OEM/ODM Collaboration Protocol
How KARON executes global engineering projects from initial drawing sign-off to overseas container loading.
Architectural Drawing Audit
Clients submit window/door schedules, opening elevation CADs, and project location wind load specs (Pa). Our technical team verifies profile feasibility and structural deflection limits.
3D Modeling & Shop Drawings
We generate 1:1 scale profile cross-section shop drawings, specifying hardware placements (Hoppe, Siegenia, CMECH, Roto), drainage paths, and wall anchors for client sign-off.
Mock-up & Pre-Production Testing
A physical 1:1 scale sample mock-up is constructed for water penetration, air filtration, and structural deflection testing prior to mass production clearance.
CNC Precision Fabrication
Automatic double-head cutting saws and 4-axis CNC machining centers perform profile cutting, corner crimping, and notch drilling to micro-tolerances within ±0.1mm.
100% Trial Assembly & Testing
Every completed door panel is mounted on factory test frames to verify smooth roller operation, locking latch alignment, and EPDM gasket sealing.
Heavy Duty Export Packaging
Products are wrapped with protective film, foam corner guards, and packed inside fully enclosed fumigated wooden crates or A-frame steel shipping racks.
Frequently Asked Questions by Overseas Buyers
Essential answers regarding manufacturing capacity, regulatory compliance, quality control, and shipping logistics.
Where is the KARON factory located and what is its manufacturing capacity?
Karon Window & Door Co., Ltd. operates a 10,000 m² standardized manufacturing facility in Songxia Industrial Park, Nanhai District, Foshan, Guangdong, China. We manufacture custom thermal break aluminium windows, exterior bifold doors, sliding doors, sunrooms, and frameless glass railings.
Which international quality and safety certifications do your products hold?
Our products hold international certifications including CE (EN 12150), US SGCC safety glazing, Australia AS 2208, New Zealand AS/NZS 2208 (for single & laminated glass), Thailand TISI 965-2560 / 1231-2560, and Malaysia CIDB PPS accreditation. Operations follow an ISO 9001 quality system.
Can you manufacture doors and windows strictly according to my project drawings?
Yes. We specialize in 100% custom OEM/ODM manufacturing. Every order is engineered to match your architectural drawings, including frame sizes, sash styles, glass thickness, surface finish colors (RAL colors / wood grain), hardware specifications, and local code compliance.
What types of global construction projects does KARON supply?
We supply private villas, luxury multi-unit residential developments, resort hotels, and commercial buildings worldwide. Notable achievements include the 672-unit Kora Beach Resort in Phuket, multi-unit luxury villa developments in France and Greece, and custom residential packages in the USA.
What is the technical difference between thermal break and non-thermal profiles?
Thermal break profiles feature a polyamide insulating strip (PA66-GF25) joining separate inner and outer aluminium extrusions, preventing heat conduction and condensation. Non-thermal break profiles feature a solid aluminium cross-section suitable for mild climates or interior partition doors.
How do I initiate a formal RFQ (Request for Quotation) with your engineering team?
You can submit your architectural drawings, door schedules, project location, and required performance parameters directly to [email protected] or click the "Get Catalog" button to connect with our engineering team instantly.
Ready to Engineer Your Project's Aluminium Openings?
Send your drawings, window schedules, or custom specifications to our engineering team in Foshan. Get technical evaluation reports, factory-direct wholesale pricing, and customized product catalogs within 24 hours.
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