Bi-Fold System
Lukliving Premium Aluminium Bi-Folding Door with Safety Tempered Glazing
6063-T5 Alloy
Space-Saving
EPDM Sealed
15+
Years Industry Expertise
10,000m²
Standardized Manufacturing Plant
6+
Global Safety Certifications
100%
Pre-Shipment Quality Testing
Manufacturing Leadership
Precision OEM/ODM Aluminium Architectural Door Engineering
Operating from Foshan, Guangdong—the epicenter of global aluminum extrusion technology—KARON Window & Door Co., Ltd. delivers high-performance custom exterior front entrance doors, heavy-duty pivot systems, slim-line sliding assemblies, and complete glazing envelopes for residential villas, luxury resorts, and high-density commercial developments.
Architectural Customization
Full CAD/BIM shop drawing engineering tailored to bespoke architectural schedules. Customized sash profiles, glass build-ups, and specialized RAL powder-coat or anodized finishes matching exacting project specifications.
Thermal & Structural Integrity
Engineered with polyamide PA66 GF25 thermal breaks and high-density EPDM continuous weather seals. Outperforms standard door profiles in wind load resistance (up to 5.0 kPa) and air/water tightness (up to 900 Pa).
Global Certification & Standards
Verified compliance with international building codes. Products carry CE (EN 12150), SGCC (North America), AS/NZS 2208 (Australia/NZ), TISI (Thailand), and CIDB (Malaysia) safety glass certifications.
Featured Portfolio
Custom OEM Exterior & Entrance Door Solutions
Explore our export-grade aluminum entrance door systems, folding door assemblies, and architectural glazing products designed for global residential and commercial procurement.
Bi-Fold System
Screen & Entry
Anti-Mosquito Mesh Aluminium Frame Security Entrance Door
Commercial Use
Polyester Screen
DIY Ready
Patio & Entrance
Waterproof Heavy-Duty Aluminium Accordion Folding Entrance Door
Tempered Glass
IP65 Waterproof
Multi-Lock
Privacy Systems
Black Powder-Coated Architectural Aluminium Frosted Privacy System
Frosted Glass
Top-Hung
AAMA 2604 Finish
Villa Entrance
CE Certified Ultra-Slim Aluminium Bifold Entrance Door for Luxury Villas
CE Certified
Narrow Sightline
Custom OEM
Impact Rated
Hurricane Impact Thermal Break Exterior Aluminium Entrance Door
Argon Low-E
Impact Glass
Thermal Break
Soundproof Swing
Thermal Break Acoustic Swing Entrance Door System for Luxury Residential
STC 42 Acoustic
Double Glazing
Siegenia Hardware
Energy Efficient
High-Efficiency Thermal Break Aluminium Entrance & Patio Door
Low U-Factor
Smooth Rollers
Smart Lock Ready
Technical Whitepaper
Anatomy of High-Performance OEM Aluminium Entrance Systems
An exterior front entrance door represents the primary thermal barrier and security threshold of any building structure. Standard residential doors often compromise on air infiltration and frame deflection under heavy wind load. KARON’s engineering team manufactures custom OEM doors using structural 6063-T5 and T6 high-grade aluminum extrusions engineered with wall thicknesses ranging from 2.0mm to 3.0mm.
By incorporating polyamide (PA66 GF25) thermal break strips, our entrance systems break the thermal bridge between exterior ambient conditions and interior climate control. This structural barrier drastically lowers overall U-factors down to 1.1 W/m²K when integrated with Low-E insulated argon double or triple safety glass units.
✓
Structural Frame Engineering
Heavy-duty corner crimping with stainless steel alignment cleats ensuring zero diagonal twist under high wind pressure.
✓
Multi-Point Security Integration
Compatible with German-manufactured Siegenia, GU, or Hoppe 5-point locking mechanisms, offering anti-burglary RC2 and RC3 protection ratings.
✓
Weatherproofing & Water Drainage
Triple-sealed continuous EPDM rubber gaskets paired with hidden downward water discharge slots prevent rain penetration during storm events.
| Performance Parameter | Standard Non-Thermal Door | KARON OEM Thermal Break Front Door | Testing Standard / Certification |
|---|---|---|---|
| Thermal Transmittance (U-Value) | 3.5 - 4.2 W/m²K | 1.1 - 1.6 W/m²K (Low-E Argon) | EN ISO 10077-2 / NFRC 100 |
| Acoustic Insulation (STC/Rw) | STC 28 - 32 dB | STC 40 - 45 dB (Laminated Double Glass) | ASTM E90 / ISO 140-3 |
| Wind Pressure Resistance | 1.5 - 2.5 kPa | up to 5.0 kPa (Class P3/C5) | ASTM E330 / EN 12210 |
| Air Infiltration Rating | Class 2 (300 Pa) | Class 4 (600 Pa Continuous Seal) | ASTM E283 / EN 12207 |
| Water Penetration Resistance | 250 Pa | 750 Pa - 900 Pa (Concealed Drainage) | ASTM E331 / EN 12208 |
| Security & Anti-Intrusion | Single Latch System | 5-Point Automatic Hook Bolt (RC2/RC3) | EN 1627-1630 / PAS 24 |
| Surface Finish Durability | Standard Powder Coating (5 Yrs) | Fluorocarbon PVDF / Anodized 25μm (25+ Yrs) | AAMA 2605 / Qualicoat Class 2 |
Industry Foresight
Key Procurement & Technology Trends for Aluminium Entrance Doors
Architectural expectations for exterior entry points are undergoing structural shifts. Buyers and developers must stay ahead of emerging design preferences, environmental codes, and access technologies.
TREND 01
Smart Access & Biometric Hardware Seamless Integration
Modern architectural entry doors are ditching traditional mechanical keys. High-end residential projects now require integrated smart locks—such as 3D facial recognition, biometric fingerprint sensors, smartphone Bluetooth control, and motorized multipoint locking units embedded directly inside the aluminum sash profile without compromising structural IP ratings.
TREND 02
Ultra-Large Format Pivot Doors & Flush Sightlines
Demand for massive front entrance pivot doors—exceeding heights of 3.5 to 4.0 meters and widths up to 2.0 meters—is accelerating globally. These doors utilize heavy-duty hydraulic floor pivots with weight capacities over 500kg, zero-threshold barrier-free bottom transitions, and ultra-narrow sightlines that seamlessly blend interior spaces with outdoor facades.
TREND 03
Ultra-Low Carbon & Recycled Aluminum Extrusions
With international ESG directives and green building regulations (LEED v4, BREEAM, Passivhaus), global importers are prioritizing manufacturers using low-carbon primary aluminum smelted with renewable hydro energy, alongside post-consumer recycled aluminum billets containing over 75% recycled scrap content.
TREND 04
Extreme Environment PVDF & Anodized Finishes
For coastal villas and tropical island hotel resorts exposed to intense salt spray corrosion and high UV index, standard polyester powder coating is being replaced by 3-coat fluorocarbon PVDF coatings (AAMA 2605 standard) and hard-anodized oxide layer finishes (up to 25 microns), guaranteeing zero peeling, chalking, or color fading for over 25 years.
Strategic Sourcing
Optimizing Overseas B2B Sourcing for Custom Entry Doors
Procuring custom aluminum doors from China manufacturers requires more than selecting a profile design from a digital catalog. Experienced general contractors and real estate developers evaluate the full Total Cost of Ownership (TCO), factory QA rigor, and shipping logistics.
1
Knock-Down (KD) vs. Pre-Assembled Assembly
Pre-assembled door frames undergo factory hydrostatic testing, ensuring zero leak risks on site. Knock-down packaging optimizes container load capacity by 35% for mass commercial projects.
2
Rigorous Factory Acceptance Testing (FAT)
Every order undergoes 100% pre-shipment mock-up inspection, hardware cycle testing (up to 100,000 opening cycles), and glass thermal stress checks prior to export crating.
3
Custom Wooden Crate Protection
Heavy-duty, fully enclosed fumigated plywood crates with shock-absorbing foam padding protect coated aluminum surfaces and tempered glass panels from oceanic moisture and transit vibration.
Procurement Guidance
Frequently Asked Questions for B2B Overseas Buyers
Technical, commercial, and logistical answers to streamline your door and window sourcing process with KARON.
Where is the KARON manufacturing facility located, and what is your factory capacity? +
Karon Window & Door Co., Ltd. operates a 10,000 m² standardized manufacturing plant located in Songxia Industrial Park, Nanhai District, Foshan City, Guangdong Province, China. Foshan is world-renowned for aluminum profile extrusion and architectural hardware supply chains.
Our plant houses automated double-head cutting saws, multi-axis CNC machining centers, automatic thermal break assembly lines, and corner crimping machines, achieving a monthly production capacity of over 15,000 square meters of custom architectural doors and windows.
Which international safety and quality standards do KARON products hold? +
Our products are engineered and tested to satisfy major global building codes. Our certification portfolio includes:
• Europe: CE Certification under EN 12150 safety glass standards.
• United States: SGCC (Safety Glazing Certification Council) compliance.
• Australia & New Zealand: SAI Global AS 2208 & AS/NZS 2208 PAS-Mark for toughened and laminated safety glass.
• Thailand: TISI 965-2560 and TISI 1231-2560 standards.
• Malaysia: CIDB PPS Certification (2-03250048 & 2-03250049).
Our factory operates strictly under an ISO 9001:2015 quality management system.
Can KARON produce custom front entrance doors directly from architectural CAD drawings? +
Yes, 100% of our orders are produced on a custom OEM/ODM basis. Our dedicated engineering office works directly with your architectural drawings, elevation schedules, or BIM models.
We generate detailed CAD shop drawings detailing profile wall thickness, thermal break dimensions, hardware positioning, threshold profiles, and glass build-ups for formal engineering approval prior to starting raw extrusion cutting.
What is the structural difference between Thermal Break and Non-Thermal Break aluminum doors? +
Thermal Break Doors: Feature a structural polyamide nylon strip (PA66 GF25) inserted between the inner and outer aluminum extruded profiles. This strip halts heat transfer, prevents interior frame condensation, and significantly lowers air-conditioning or heating power consumption. Ideal for extreme hot or cold climates and energy-coded developments.
Non-Thermal Break Doors: Utilize solid aluminum extrusions without insulating strips. They are structural, durable, and cost-effective, ideal for mild climate zones, interior door partitions, or budget-sensitive project schedules.
What hardware brands and multi-point locking systems can be integrated into custom doors? +
We partner with premier international hardware manufacturers including Siegenia, GU (Gretsch-Unitas), Hoppe, Roto, and Sobinco, as well as top-tier Chinese brands like Kin Long and Karcher.
For entrance security, we integrate heavy-duty 3-point to 5-point automatic latch hook locking systems, hidden anti-lift hinges, hydraulic soft-closing floor pivots, and smart biometric access controllers (fingerprint, keypad, RFID, Apple HomeKit).
What surface treatment finishes are available for high-corrosion or coastal environments? +
To resist salt air oxidation and high solar radiation, we offer four primary surface treatments:
1. Fluorocarbon PVDF Coating: Complies with AAMA 2605 specifications. Features AkzoNobel or PPG paints for 25+ years of resistance against fading, chalking, and salt spray.
2. Hard Anodizing: 15 to 25 micron oxide film depth providing metallic textures and extreme anti-scratch hardness.
3. Architectural Powder Coating: Qualicoat Class 2 certified powders with 200+ RAL colors.
4. 3D Italian Heat-Transfer Wood Grain: Real wood timber texture paired with the structural longevity of aluminum alloy.
What is the standard lead time for OEM door manufacturing and container export? +
Once shop drawings are signed off and deposit is confirmed:
• CAD Drawing & Engineering Review: 3 – 5 working days.
• Sample Production: 15 working days.
• Volume Production (Full Container Load): 25 – 35 days depending on profile color customization and glass spec complexity.
• Logistics Shipping: We arrange FCL (Full Container Load) or LCL ocean freight under FOB, CIF, or DDP terms directly to your destination port or site location.
How does KARON ensure glass safety and packaging protection during sea transit? +
All glass units utilized are fully toughened/tempered safety glass or laminated safety glass meeting SGCC and AS/NZS 2208 standards. Corner edges feature protective plastic guards.
Finished door frames are fully wrapped with protective shrink film, interleaved with pearl foam sheets, and packed into custom-built, fully enclosed IPPC-certified fumigated plywood crates. This eliminates glass breakage and frame scratches during container transit.
What Minimum Order Quantity (MOQ) and warranty terms do you provide for project contracts? +
• MOQ: We support custom luxury villa projects starting from 30 m² up to large-scale commercial developments exceeding 20,000 m².
• Warranty: KARON offers a 10-Year Structural Frame Warranty, a 5-Year Sealed Glass Insulating Warranty, and a 5-Year Mechanical Warranty on German hardware systems.
How do I initiate a formal request for quotation (RFQ) or engineering review? +
Simply click the "Get Catalog" button on this page or email your window/door schedule, CAD drawings, estimated quantities, and target project location to our technical sales office.
Our architectural engineering team will evaluate your opening dimensions, wind load criteria, and thermal targets, delivering a comprehensive line-item quotation within 24 to 48 hours.
