Do DERCHI entry doors comply with Australian standards?

Our aluminium door systems have been tested to AS 2047, achieving an N6 wind rating together with air infiltration, water penetration and operating-force performance. Test reports and certificates are supplied with your project documentation so your certifier or council can review them.

Can you ship entry doors to New Zealand and the Pacific Islands?

Yes. We export by sea in FCL or LCL containers to major Australian ports such as Sydney, Melbourne, Brisbane, Perth and Adelaide, to Auckland and other New Zealand ports, and to Pacific destinations including Fiji and Papua New Guinea. Every door is protected in export-grade crating.

Which door material is best for coastal homes in Australia and New Zealand?

For salt-laden coastal air we recommend 316 stainless steel doors or aluminium doors with a marine-grade powder-coated or fluorocarbon finish, paired with stainless steel hardware. Our engineers will recommend a finish based on your site's distance from the coast.

Do you make custom-size and oversized pivot doors?

Yes. Sizes, finishes, glazing, handles and locking systems are fully customised, including large pivot doors for villas and commercial lobbies. Our in-house engineering team provides free CAD shop drawings that match your door schedule before production.

What installation support do you provide?

Each order ships with installation drawings and manuals, and our English-speaking engineers provide video guidance and remote support during Australian and New Zealand business hours.

OEM/ODM Aluminium Timber Composite Windows Factories & Exporter

Global architectural fenestration solutions combining structural exterior alloy cladding with high-density architectural timber interiors, certified to AS 2047, CE EN 14351-1, and PHI standards.

Engineered Timber-Aluminium Composite Fenestration Systems

Precision-manufactured across our 180,000 m² automated production facility. Our systems integrate warm architectural interiors with heavy-gauge, weather-resistant exterior aluminum cladding designed for oceanic storms, extreme thermal variance, and passive building envelopes.

Hurricane-resistant Slim Aluminum Casement Window

European Hurricane-Resistant Slim Clad Window

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LEAWOD Wood-aluminum Composite Smart Window

LEAWOD Wood-Aluminium Smart System

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Aluminium Tilt and Turn Casement Windows

Tilt & Turn Composite with Integrated Mesh

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CHAMBROAD Passive House Aluminum Clad Wood Windows

Passive House Triple-Glazed Clad Window

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Aluminum-Clad Timber Window PHI EnerPHit Ready

PHI EnerPHit Ready Uw≤0.8 W/m²K Timber Clad

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Custom Arch Windows Double Glazed Soundproof

Custom Acoustic Architectural Arch Windows

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High Performance Double Glazed Outswing Wood Window

High-Performance Outswing Clad Window

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Super Energy Efficient Aluminium Clad Wood Windows

Super Energy-Efficient Passive Timber Window

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180,000m²

Foshan Production Facility

25+ Years

OEM/ODM Manufacturing Precision

100+

Patents & Global Certifications

AS 2047

N6 Wind Rating Compliant

Strategic Global Procurement Dynamics for Timber-Alloy Windows

Procuring high-performance architectural envelope systems requires balancing regional compliance, life-cycle costs, and building physics.

Total Cost of Ownership vs. Initial Capex

Commercial developers and institutional builders are pivoting from all-aluminum thermal-break systems toward composite timber-alloy profiles. While composite fenestration commands a marginal premium at initial procurement, life-cycle operational metrics reveal up to 32% reductions in HVAC loads, eliminating interstitial condensation liabilities and internal repaint cycles over 40-year horizons.

Supply Chain Traceability & Chain-of-Custody

Stringent decarbonization benchmarks in Oceania (NCC/NZBC) and the European Union mandate verified chain-of-custody timber. Strategic volume procurement now depends entirely on mill-direct supply lines supporting FSC/PEFC certified European White Oak, Larch, and Knotless Pine, bonded with multi-layer finger-jointing to guarantee dimensional stasis across variable humidity profiles.

Engineering Validation & Testing Protocols

Tier-1 procurement mandates comprehensive engineering shop drawing documentation prior to extrusion tooling. Derchi provides complete structural deflection calculations, localized wind-pressure simulation reports (up to N6 cyclonic testing under AS 2047), and thermodynamic isothermal boundary-condition maps directly verified by in-house facade engineers.

Engineering Evolution: The Next Generation of Composite Systems

The architectural convergence of biological materials and non-ferrous engineering alloys requires addressing differing linear thermal expansion coefficients. Unengineered mechanical bonding risks frame warping, air-seal degradation, and internal condensation.

Floating Mechanical Nylon Fasteners

Eliminating direct chemical adhesives, our profiles utilize German-engineered composite nylon connecting clips. This allows independent thermal expansion between exterior 6063-T6 aluminum (expansion coefficient 23×10⁻⁶/K) and interior timber (5×10⁻⁶/K), maintaining zero stress on internal mortise-tenon joinery.

Continuous Multi-Stage EPDM Vulcanization

Integrating continuous co-extruded EPDM marine-grade gaskets ensures triple-barrier protection. Systems easily achieve over 600 Pa water tightness and Class 4 air permeability, preventing oceanic salt mist from penetrating internal timber structural cores.

Structural Warm-Edge Glass Assemblies

Standard configurations support up to 52mm triple-glazed IGUs with Argon infill (90%+ gas retention rate) and composite warm-edge spacers (e.g., Technoform). The resulting whole-window thermal transmittance achieves PHI EnerPHit targets: Uw ≤ 0.8 W/m²K.

Enterprise Rigor: Guangdong Dejiyoupin (DERCHI)

Recognized among China's Top 10 fenestration manufacturers, our Foshan smart-manufacturing facility bridges architectural design intent with industrial execution.

End-to-End Manufacturing

Operating across 180,000 square meters with over 600 skilled technicians, we integrate CNC machining centers, precision Italian lumber drying kilns, automatic AkzoNobel waterborne electrostatic paint lines, and robotic insulated glass lines under ISO 9001 quality supervision.

Certified for Critical Markets

Our complete window and structural door lines are verified to AS 2047 (N6 wind load and cyclonic water limits), CE EN 14351-1 architectural directives, UL fire ratings, and global acoustic isolation criteria (Rw up to 45dB with tailored laminated acoustic interlayers).

Full-Scope OEM/ODM Support

From initial design sketches and structural engineering reviews to full-size parametric BIM objects and custom extrusion development, our technical team provides dedicated, English-speaking engineering coordination throughout ocean delivery and installation.

Technical & Procurement FAQ

Straight answers to complex engineering, compliance, and logistical inquiries from global project stakeholders.

How does the difference in thermal expansion between aluminum and wood avoid warping?

Traditional wood-aluminum composite profiles that were rigidly bonded often failed due to thermal shear stress. DERCHI utilizes independent floating mechanical fasteners composed of high-strength, glass-fiber-reinforced polyamide nylon clips. These clips allow longitudinal movement of the exterior aluminum profile under extreme temperature changes (-30°C to +80°C) without transferring bending loads to the kiln-dried interior timber core. This design maintains joint integrity and prevents frame distortion over decades of service.

What specific compliance documentation is provided for regional building certifiers?

Every export shipment includes comprehensive testing dossiers: for Australia and New Zealand, formal test certificates to AS 2047 (Deflection, Air Infiltration, Water Penetration, Ultimate Strength) and AS 1288 (structural glass selection); for the European Union, CE Declaration of Performance (DoP) according to EN 14351-1; and for passive buildings, thermal validation reports detailing whole-frame Uw values via finite element thermographic analysis (ISO 10077-2).

What species of timber are specified and what preservation treatments are applied?

Our standard architectural specifications utilize FSC/PEFC-certified Northern European Larch, American White Oak, and engineered finger-jointed Radiata Pine. The timber undergoes precision kiln-drying down to an equilibrium moisture content of 10%–12% (±2%) to avoid shrinkage and twisting. We apply a four-stage German waterborne microporous coating process: automated anti-fungal dip impregnation, grain primer sealing, and two dual-layer spray topcoats that remain breathable while blocking moisture absorption.

How do you ensure weatherability and salt spray protection in coastal environments?

For coastal and marine environments, exterior aluminum extrusions are treated with Qualicoat Seaside Class powder coatings or AAMA 2605-compliant PVDF fluorocarbon coatings, withstanding over 3,000 hours of continuous salt-spray testing without blistering or chalking. All external hardware and perimeter multi-point locking pins are specified in Grade 304 or 316 austenitic stainless steel to eliminate galvanic corrosion risks.

What are your manufacturing lead times, minimum order quantities (MOQ), and shipping crating specs?

Standard OEM/ODM production lead time is 25 to 35 business days following final shop drawing and finish sample sign-off. We support flexible MOQs for custom residential builds, estates, and tier-1 commercial developments. Finished units are wrapped in high-micron protective films, buffered with custom corner guards, and packed into fumigated, export-grade plywood crates designed for sea container shipping (FCL/LCL) to minimize freight-handling risks.

Ready to Engineer Your Window Package?

Consult with our in-house fenestration engineers. Submit your schedules, elevations, or CAD drawings for performance calculations, custom profile consultations, and detailed factory-direct estimates.