Engineered for extreme structural loads, superior thermal efficiency, and modern aesthetic elegance.
The global demand for high-performance fenestration systems has shifted fundamentally towards advanced energy efficiency, extreme structural resilience, and architectural minimalism. As commercial developers and luxury residential builders navigate increasingly stringent carbon neutrality targets, energy building codes (such as North America's NFRC Title 24 and Australia's NCC/WERS), and hurricane design mandates (such as Florida's Miami-Dade High-Velocity Hurricane Zone NOA standards), selecting a qualified manufacturer is paramount.
As a leading authority in the global export of fenestration solutions, China's aluminum manufacturing hub—specifically Foshan—has evolved from mass-volume manufacturing to ultra-high-precision, custom-engineered fenestration systems. Modern Double Glazed Aluminum Entry Doors represent the apex of this evolution, combining 6063-T5/T6 marine-grade extrusions, polyamide thermal barriers (PA66 GF25), and dual-sealed insulating glass units (IGUs) filled with inert Argon gas.
An entry door is the primary thermal boundary of a modern structure. Standard solid core or non-thermal aluminum frames suffer from high thermal conductivity (K-values exceeding 200 W/m·K), leading to massive heat transfer, interior condensation, and structural energy losses. Advanced thermal break double-glazed aluminum doors mitigate this through three core principles:
| Performance Metric | Standard Non-Thermal Door | Primeval High-Spec Thermal Break Door | International Standard Compliance |
|---|---|---|---|
| Overall U-Factor (W/m²K) | 3.8 - 5.2 | 1.2 - 1.8 | NFRC 100/200, ENERGY STAR® Phase 7 |
| Solar Heat Gain Coefficient (SHGC) | 0.65 - 0.80 | 0.22 - 0.35 | AS2047 WERS Rated |
| Acoustic Insulation (STC / Rw) | 22 - 26 dB | 38 - 45 dB | ISO 10140-2 Sound Proof Standard |
| Wind Pressure Resistance (Pa) | 1500 Pa | 4500 Pa (HVHZ Compliant) | ASTM E1300, TAS 201/202/203 (NOA) |
| Air Infiltration Rate | 1.5 L/s·m² | < 0.1 L/s·m² | AS4420.2 / NFRC Air Leakage Certified |
A decade of engineering innovation, vertical integration, and global trade authority in premium aluminum fenestration systems.
Established in 2017, Foshan Primeval Doors Industry Co., Ltd. operates from a modern manufacturing facility of 12,000 m². Backed by 11 years of industry engineering experience and 5 years of international export trade, the company generates an annual export revenue of USD 8,500,000.
Quality control is strictly enforced through systematic IQC-IPQC-FQC inspection procedures along with rigorous thermal conductivity and salt-spray corrosion testing. A skilled QC team of 22 inspectors oversees every step of the production process. Supported by 420 trusted supply chain partners, our trade background covers direct OEM export and private-label customization, serving primary markets in Australia, New Zealand, and North America.
Our client base consists mainly of residential building supply importers, architectural designers, and regional wholesalers. Driven by continuous innovation, our R&D group of 38 engineers introduced 75 new entry door products last year. Customization options include custom frame depths, double-glazed decorative glass inserts, powder-coated color palettes, and heavy-duty weatherproofing seals.
Every thermal break entry door undergoes a 10-stage disciplined manufacturing process, monitored by computerized tolerances.










Equipped with heavy CNC double-head cutting saws, automated milling centers, and micro-precision punching equipment.









38 full-time CAD/BIM engineers providing shop drawings, finite element structural analysis, and thermal simulation prior to extrusions.



Located at the world's dense aluminum manufacturing epicenter. Direct access to primary billet casting, specialized anodizing plants, and 420 Tier-1 hardware suppliers lowers raw material lead times by 35% compared to global competitors.
Engineered strictly to satisfy North American NFRC / Title 24, Florida Miami-Dade High Velocity Hurricane Zone (HVHZ) NOA standards, Australian AS2047 / AS1170 standards, and European CE / EN 14351-1 requirements.
Zero-damage transoceanic delivery guaranteed. Every custom entry door unit is wrapped in protective EPE film, fitted with impact-resistant plastic corner guards, sealed in fully enclosed plywood crates, and secured to heavy steel pallets.
Tailored structural formulations designed specifically for unique geographical environments and microclimates.
Target Regions: Florida, Caribbean Islands, Coastal Australia, Gulf Coast.
Engineering Configuration: Florida Miami-Dade NOA certified impact glass (PVB/SGP laminated safety glass), 6063-T6 heavy-gauge profiles, marine-grade AkzoNobel fluorocarbon (PVDF) powder coatings passing 3,000-hour salt spray testing. Prevents structural deflections under wind pressures up to 4500 Pa.
Target Regions: Northern USA, Canada, Northern Europe, New Zealand South Island.
Engineering Configuration: Multi-cavity thermal break extrusions with 34mm polyamides, triple-pane double Low-E IGUs, warm edge thermal spacers, filled with 95% Argon gas. Achieves ultra-low U-factors (< 1.3 W/m²K) preventing interior frost formation and structural heat loss.
Target Regions: Global Metropolitan Developments, Commercial Boutique Hotels, Modern Villas.
Engineering Configuration: Ultra-narrow sightline stacker and bi-folding designs, integrated German Siegenia or HOPPE multi-point smart biometric locks, flush threshold sill drain tracks, and seamless color matching with custom RAL palettes.
For building material wholesalers, project developers, and architectural procurement managers, sourcing double-glazed entry doors directly from China requires balancing unit cost against long-term operational risk. Purchasing from Foshan Primeval Doors Industry Co., Ltd. eliminates traditional import vulnerabilities through structural assurances:
The entry door market is witnessing a convergence of modern digital automation, zero-carbon sustainability, and ultra-minimalist architecture. Key technical trends actively integrated into our R&D roadmap include:
Expert technical insights regarding sourcing, testing certifications, custom engineering, and international shipping.
With a 12,000 m² modern factory, 11 years of architectural engineering experience, and over $8.5M in annual export turnover, Primeval Doors combines rigorous internal quality control (22 QC inspectors using IQC-IPQC-FQC systems) with full global certifications (NFRC, AS2047, Miami-Dade NOA). Our 38-engineer R&D team continuously delivers market-leading innovations, outputting 75 new custom designs annually.
Standard aluminum doors are highly conductive, allowing cold or heat to transfer rapidly into the interior. Thermal break entry doors utilize a reinforced polyamide barrier (PA66 GF25) inserted between the inner and outer aluminum profiles. This isolates thermal conduction, reducing U-values by up to 60%, preventing condensation, and lowering HVAC energy expenditure significantly.
Yes, our specialized impact-resistant entry door series features Florida Miami-Dade Notice of Acceptance (NOA) compliance. These doors utilize laminated safety impact glass (PVB/SGP interlayers), heavy-gauge 6063-T6 aluminum profiles, and reinforced multi-point locking hardware designed to withstand large missile impact tests and positive/negative wind pressures up to 4500 Pa.
We offer full structural customization including profile depth, thermal break cavity width, glass specifications (double or triple glazed, Low-E, Argon gas, frosted, ceramic tinting), hardware brands (German Siegenia/KFV, HOPPE, or high-tier Chinese brands), powder-coating finishes (AkzoNobel RAL color matching), and integrated smart digital locks.
Our doors exported to Oceania comply fully with AS2047 (Windows and doors in buildings), AS1170 (Structural design actions), AS2208 (Safety glazing materials in buildings), and WERS energy efficiency requirements, ensuring seamless building inspection sign-offs.
We employ a multi-layered protective packaging system. Each unit is wrapped in thick anti-scratch protective EPE film, fitted with impact-proof corner guards, encased in a fumigated plywood wooden crate, and strapped down onto custom steel shipping pallets for safe forklift handling.
Standard production lead times range between 25 to 35 days from approved CAD shop drawings. For complex custom finishes (such as specialized anodizing or custom extruded shapes), lead times may range from 35 to 45 days.
Yes, our R&D team of 38 engineers provides complete computer-aided CAD elevation drawings, cross-sectional details, structural wind load calculations, and thermal simulation reports for architectural approval prior to production commencement.
Full certified suite of bi-folding, sliding, casement, awning, and fixed fenestration solutions for global export.