AS2047 / AS2088
Two-Track Sliding Double Glazed Thermal Break Waterproof Windows
AS2047 Tested
Dual Track Roller
PA66 Barrier
Verified Fenestration Solutions
Engineered Architectural Brown Aluminium Windows
Discover our precision-fabricated brown aluminium window systems, engineered with primary 6063-T5/T6 alloy profiles, high-tensile PA66 GF25 thermal breaks, and multi-tier weather sealing to satisfy strict international standards including AS2047, AS2088, NAFS, and CE.
Custom Hardware
Lukliving Custom Aluminium Brown Color Precision Sliding Window
German Hardware
Matte Bronze
Heavy-Duty Sash
Integrated Screens
Powder Coated Golden Brown Double Glazed Windows with Insect Mesh
AAMA 2604 Finish
Golden Brown
Acoustic Glass
Low-E High Energy
Thermal Break Low-E Glass Architectural Aluminium Casement Window
Uw ≤ 1.4 W/m²K
Multi-Lock Point
Sepia Brown
Colonial Heritage
Custom Taupe Brown 4-Panel Colonial Grid French Casement Window
Heritage Aesthetic
Taupe Brown
Internal Grille
Villa Grade
Waterproof Thermal Break Casement Windows with Screen for Villas
Triple EPDM Seal
Stainless 304 Mesh
Dark Bronze
Soundproof STC 40+
Modern Brown Alloy Soundproof & Wind-Resistant Casement Window
Acoustic Laminated
Moisture Proof
RAL 8019 Grey-Brown
Cyclone Tested
Weatherproof Brown Sliding Window with Tempered Glass for Facades
High Water Sill
Heavy Wind Load
Commercial Grade
Enterprise Manufacturing Foundation
World-Class Fenestration Engineering Direct from Foshan
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates China’s flagship integrated smart fenestration industrial base in Shishan Town, Nanhai District, Foshan. We merge over 25 years of engineering mastery with automated CNC processing to serve Tier-1 developers, architects, and fenestration contractors worldwide.
25+
Years Manufacturing Depth
180,000m²
Integrated Industrial Base
600+
Skilled Fenestration Technicians
100+
Global Patents & Certifications
Foshan Supply Chain Clustering
Situated in the global nexus of aluminum extrusion, our facility secures premier 6063-T5 virgin billet extrusions, high-grade die castings, and specialty fluorocarbon finishes with zero sub-tier transportation delay, providing unmatched price-performance ratios.
- Zero secondary melted billet contamination
- Direct procurement partnerships with ingot leaders
- Full traceability from chemical assay to final crate
Automated Precision Fabrication
Equipped with high-accuracy dual-head CNC mitre saws, multi-axis profile machining centers, and automated bi-component corner gluing injection machines, we guarantee 45° frame corner joints within ±0.2mm precision tolerance.
- Corner pin mechanical crimping plus dual-epoxy sealing
- Continuous automatic laser angle checking
- Seamless sash-to-frame air-tight compression
International Testing & Compliance
Our window assemblies undergo rigorous structural load deflection, air permeability, water penetration, and acoustic attenuation testing in certified testing facilities meeting AS2047, AS2088, NAFS, CE, and ISO 9001 quality audits.
- AS2047 cyclonic ultimate wind limit test (up to 4500 Pa)
- Static water penetration threshold over 700 Pa
- Acoustic laboratory sound insulation up to STC 43 dB
Surface Treatment Science
Architectural Brown Finishes: Metallurgy, Chemistry & Durability
Brown aluminium windows are among the most architecturally versatile solutions for luxury residential villas, contemporary urban lofts, and historic restorations. However, specifying the correct surface coating chemistry is crucial to avoid chalking, fading, or galvanic oxidation under extreme UV exposure and coastal saline atmospheres.
| Coating Technology | Common Palette Codes | Dry Film Thickness | Salt Spray (ASTM B117) | Florida UV Exposure | Best Architectural Application |
|---|---|---|---|---|---|
| Fluorocarbon PVDF (Kynar 500) | Sepia Brown, Metallic Coffee, Dark Bronze | 35 – 45 μm (3-Coat) | 4,000+ Hours | 10 Years Delta E < 5 | Coastal Facades & High-Rises |
| Super-Durable Powder (AAMA 2604/2605) | RAL 8019 Grey Brown, RAL 8014 Sepia, Matte Brown | 60 – 85 μm | 3,000 – 4,000 Hours | 5 – 10 Years Retained Gloss | Luxury Residential Villas |
| Architectural Anodizing (Class 1) | Champagne Bronze, Dark Bronze, Anodized Umber | 20 – 25 μm (Oxide) | 3,000+ Hours | Inherent Metallic Structure | Minimalist Modern Architecture |
| Sublimated 3D Wood Grain | Dark Walnut, Burmese Teak, Smoked Oak | 65 – 80 μm Total | 1,500 – 2,000 Hours | 3 – 5 Years UV Protection | Heritage & Tropical Resorts |
Thermosetting Fluorocarbon (PVDF)
Formulated with 70% fluoropolymer resin (polyvinylidene fluoride), PVDF coatings provide chemical inertness second to none. For monumental projects in coastal Florida, Australia, or the Middle East, our 3-coat fluorocarbon brown finishes deliver total resistance to acid rain, urban sulfur emissions, and harsh solar radiant heat without color drift.
Super-Durable Qualicoat Class 2 Powder
Our electrostatically applied polyester powder systems utilize AkzoNobel Interpon D2525 and Tiger Drylac pigments. The finished brown coatings offer deep matte or subtle micro-textured tactical tactile sensations, delivering scratch resistance over pencil hardness 2H and outstanding resistance to mechanical abrasion during jobsite installation.
Electrolytic Two-Step Anodic Bronze
Through precise immersion in tin or cobalt salt electrolytes following sulfuric acid anodization, inorganic metal particles are permanently deposited into the porous anodic alumina honeycomb structure. The resulting light bronze, medium bronze, and deep umber finishes are metallurgically integrated with the substrate, eliminating any risk of peeling or delamination.
Engineering Whitepaper Analysis
Thermal Insulation, Acoustic Mechanics & Weatherproofing
An architectural window is an active environmental envelope barrier. China's top tier factories utilize scientific thermodynamic designs to guarantee long-term dimensional stability, condensation resistance, and low thermal conductivity.
Polyamide Thermal Struts: PA66 GF25
Unlike obsolete poured-and-debridged polyurethane or inferior PVC bridges, our brown window lines integrate glass-fiber reinforced polyamide strips (PA66 GF25). With a linear thermal expansion coefficient closely matching aluminum (2.3 x 10⁻⁵ K⁻¹), thermal stresses during rapid diurnal temperature swings will not fracture the structural seal.
- Thermal conductivity reduced to λ ≤ 0.3 W/m·K
- Multi-cavity hollow thermal barriers minimize convection currents
- Eliminates interior frame condensation in sub-zero winters
Isobaric Rain-Screen Equalization
Our window extrusions feature three discrete pressure zones separated by continuous central EPDM vulcanized sealing gaskets. By introducing engineered weep holes linked to an isobaric equalization chamber, exterior wind pressure is counterbalanced instantly, neutralizing the capillary pull of monsoon-driven rain.
- Tested water tightness reaching 700 Pa (equivalent to tropical squalls)
- Concealed downward drainage valves prevent insect backflow
- Double-baffled drainage hoods prevent wind whistling
Acoustic Glazing & Argon Fill
Standard configurations feature 5mm + 12Ar + 5mm or 6mm + 16Ar + 6mm insulating glass units with high-performance Low-E silver vacuum sputtering. For urban expressways or airport corridors, asymmetrical acoustic laminated glass (e.g. 6mm + 0.76PVB + 4mm + 12Ar + 6mm) decouples resonant sound waves for acoustic attenuation above STC 40 dB.
- Swisspacer / Technoform composite warm-edge spacers
- Over 90% Argon gas retention rate verified through spark emission
- SHGC tuned between 0.28 and 0.45 for regional solar control
Strategic Market Intelligence
Future Sourcing & Procurement Trends (2025–2030)
Procurement executives, commercial builders, and project specifiers are navigating rapid shifts in global building codes, sustainability mandates, and supply chain direct sourcing models. Here is where the China-to-Global fenestration industry is heading over the next five years.
Low-Carbon & Hydro-Powered Billets
With the rollout of the EU Carbon Border Adjustment Mechanism (CBAM) and global LEED v4.1/BREEAM rating systems, international buyers are prioritizing extrusions cast using renewable hydro-power and high certified post-consumer scrap content, cutting embedded carbon footprint from 16 tons CO2e/ton down to under 4 tons CO2e/ton.
Slimline Minimalist Sightlines
Architectural preference has transitioned definitively away from bulky, traditional frames toward concealed-sash systems and micro-perimeter profiles. Modern brown profiles maintain structural moment of inertia (Ix) through strategic interior wall-thickness reinforcement (up to 2.2mm) while achieving visible face widths as narrow as 48mm.
Smart Fenestration & Motorization
Building Automation Systems (BAS) demand integrated concealed chain actuators, magnetic contact reeds, and rain/wind sensor automation. Premium brown window lines now feature pre-milled wiring pathways and micro-motor slots within the thermal cavity, enabling remote IoT closing during sudden storms or indoor air quality purging.
Dual-Color Thermal Assembly
Specifiers increasingly demand split-color profiles made possible by assembling separately treated interior and exterior aluminum profiles via the PA66 strut: an exterior in dark sepia brown or architectural bronze to match building codes, paired with an interior finished in soft traffic white (RAL 9016) or natural anodized silver to elevate interior room aesthetics.
Procurement Risk Mitigation
Factory-Direct Sourcing Guide: Audits, Costs & Shipping
Navigating overseas fenestration manufacturing requires a structured quality control protocol and transparent commercial milestones. Eliminating trading intermediaries by contracting directly with Foshan production giants like DERCHI yields 25% to 35% cost savings while cementing direct technical accountability.
1. CAD Shop Drawing Freeze
Never commit to production without full 1:1 scale shop drawings detailing structural mullions, rough opening clearances, thermal expansion gaps, anchor bracket elevations, and threshold drainage layouts. Our bilingual engineering department provides sign-off CAD sheets within 48 hours of initial architectural tender receipt.
2. Color Swatch & Micron Verification
Always demand three physical master boundary color swatches (target, upper light limit, lower dark limit) on identical alloy grades before mass powder coating. Require magnetic induction coating thickness testing reports (ISO 2360) and cross-hatch adhesion tape tests (ASTM D3359 Class 5B) in the pre-shipment dossier.
3. Hardware Verification: Run & Cycle
Hardware accounts for 80% of post-installation warranty service calls. Verify genuine hardware sourcing (e.g. Siegenia, Hoppe, Sobinco, CMECH). For sliding windows, insist on CNC stainless steel 304 tandem rollers rated for a minimum of 100,000 opening cycles without track indentation or roller bearing seizure.
4. AQL 1.0/2.5 Pre-Shipment Inspection
Inspect finished windows under simulated natural daylight (D65) for orange peel texture, color mottling, micro-pinholes, or corner burrs. Check sash diagonal squareness tolerance (within ±1.5mm) and gasket compression consistency using thickness feeler gauges around the full perimeter.
5. Heavy Export Ocean Freight Crating
Maritime transport involves dynamic rocking, port container handling, and extreme humidity. Our packaging standard incorporates a 5-layer system: electrostatic surface peel-off film, reinforced EPE foam edge caps, continuous bubble wrap, heavy-duty moisture barrier, and custom non-fumigation plywood crates with internal steel strapping.
B2B Fenestration Intelligence
Frequently Asked Questions (FAQ) for Project Specifiers
Detailed technical, commercial, and logistic guidance for commercial builders, architects, real estate developers, and international fenestration distributors.
Why is Foshan, Guangdong recognized as the global epicenter for aluminium window manufacturing?
Foshan, particularly the Nanhai and Shunde districts, produces over 40% of the world's high-grade architectural aluminum profiles. Within a 30-kilometer radius, factories have instant access to primary aluminum billet smelters, world-class surface finishing plants (AkzoNobel, PPG, Tiger authorized applicators), glass processing titans (CSG, Xinyi, Kibing), and specialized CNC tooling manufacturers. This hyper-dense industrial cluster shortens lead times, slashes transport overhead, and fosters deep metallurgical and engineering specialization that individual overseas manufacturers cannot replicate.
How do brown powder-coated finishes compare to anodized bronze in coastal marine environments?
In harsh marine atmospheres (within 1 km of breaking ocean surf), both systems excel if correctly specified. For powder coating, specifiers must mandate AAMA 2605 or Qualicoat Class 2 super-durable fluoropolymer or polyester powder applied over a chromate or zirconium pre-treated substrate, yielding 4,000+ hours of acetic acid salt spray resistance. Architectural Class 1 Anodizing (minimum 20 to 25 micron thickness with integral electrolytic bronze coloring) delivers an ultra-hard sapphire-like aluminum oxide layer that cannot peel or blister. However, anodized bronze is more sensitive to mortar and alkaline plaster stains during construction, making protective peelable film mandatory on site.
What testing documentation is provided to satisfy local building authorities (AS2047, CE, NAFS)?
DERCHI provides complete, unredacted third-party testing reports from globally accredited laboratories (including Intertek, NATA-accredited labs, and TÜV). Reports document structural deflection under positive and negative wind pressure (AS 4055 / AS 2047 up to N6 / C4 ratings), static air infiltration rate (ASTM E283), dynamic water penetration resistance under wind load (ASTM E331 / AS 4420.5), and thermal U-value modeling per NFRC 100/200 procedures. Full factory quality control dossiers (raw material chemical assay, glass tempering certificates, dual-seal IG argon fill rate) accompany each container dispatch.
Can the factory produce dual-color profiles (e.g., Brown exterior and White interior)?
Yes. Our automated thermal barrier rolling lines insert the polyamide (PA66 GF25) strip between separately treated interior and exterior extrusions. This allows complete freedom to specify an exterior powder-coat or PVDF finish in RAL 8019 Grey Brown, Sepia Brown, or Anodized Bronze to meet municipal facade codes, while finishing the interior extrusion in traffic white (RAL 9016), jet black (RAL 9005), or custom wood-grain sublimation to complement interior furnishings.
What is the typical lead time for custom architectural project orders from China?
A standard production timeline encompasses: 3 to 5 days for shop drawing submission and revision; 5 to 7 days for physical color sample approval (if custom mixed); 20 to 30 days for extrusion milling, automated CNC machining, coating, IGU assembly, and AQL 1.0 factory assembly testing. Ocean transit times vary by destination port: 12 to 16 days to Australia (Sydney/Melbourne), 18 to 22 days to the US West Coast (Long Beach/Seattle), 28 to 35 days to the US East Coast (New York/Savannah), and 25 to 30 days to main European and Middle Eastern ports.
What is the Minimum Order Quantity (MOQ) and how are small custom villa schedules handled?
While high-volume commercial high-rises order by the full container load (FCL 20GP or 40HQ), our flexible smart manufacturing lines accommodate custom single-villa schedules (typically from 50 m² to 150 m²). For orders under full container volume, windows are loaded into reinforced non-fumigation LCL plywood crates with internal steel angle bracing, preventing any physical contact with third-party freight during consolidation.
How does the factory ensure against glass seal failure and internal fogging over time?
Insulating glass units (IGUs) are manufactured in a temperature- and humidity-controlled cleanroom. We employ a dual-seal barrier: primary sealing is hot-applied polyisobutylene (PIB), which provides an impenetrable vapor barrier with negligible moisture transmission; secondary sealing uses structural silicone or bi-component polysulfide with high modulus elasticity. Molecular sieve desiccant (3A synthetic zeolite) inside the spacer tubes instantly absorbs residual moisture, and automated gas flushing guarantees a certified >90% Argon concentration, backed by our 10-year anti-fog warranty.
What post-delivery and jobsite installation support is available for international buyers?
Every window frame is individually numbered and cross-referenced to the master architectural schedule and floor elevation plans. We provide high-resolution 3D step-by-step installation manuals, sub-sill flashing extrusion drawings, anchor bracket positioning charts, and torque setting guides. For large commercial or multi-unit residential developments, our fluent English-speaking senior fenestration engineers provide live video conferencing site orientations or on-site supervisory consultation.
Request Factory-Direct Architectural Consultation
Send us your window schedule, CAD elevations, or tender specifications. Our technical engineering desk will review wind loads, U-value compliance, and provide a detailed itemized B2B quotation with free shop drawings within 24 hours.