Precision Engineering
Featured Architectural French Windows & Entry Systems
Explore our precision-machined portfolio including dual-pane sliding units, ultra-quiet casements, and structural thermal breaks manufactured for commercial and high-end residential applications.
Technical Specification Guide
Architectural Window Selection: Structural & Climate Criteria
Evaluating structural profiles, thermal envelope boundaries, and alloy metallurgy is paramount to prevent deflection, air infiltration, and thermal bridge failure under severe loads.
6063-T5/T6 Billet Extrusion Architecture
We employ virgin 6063-T6 grade aluminum profiles boasting a tensile strength exceeding 205 MPa. This structural rigidity allows razor-thin sightlines while supporting excessive dead loads from triple-pane laminated insulated glass units (IGU).
Polyamide PA66GF25 Thermal Isolation
Standard non-broken aluminum exhibits poor U-values. Our systems integrate 24mm to 34mm German-engineered technoform polyamide PA66 strips reinforced with 25% glass fiber, lowering overall frame U-factors down to 1.1 W/m²K (NFRC certified).
EPDM Co-Extruded Multi-Chamber Gaskets
Three-tier continuous cellular EPDM rubber sealing ensures hermetic isolation. This barrier achieves zero air leakage at test pressures up to 600 Pa and water penetration resistance reaching 900 Pa, satisfying AS 2047 cyclonic weather demands.
Market Intelligence
Future Procurement Dynamics & Fenestration Trends
Global decarbonization mandates, smart home integration, and aggressive building envelope regulations are transforming how international developers specify fenestration.
Low-E Warm-Edge Cavities
Procurement shift toward 95% argon-filled cavities with double-silver Low-E glass, lowering Solar Heat Gain Coefficients (SHGC) for energy-positive builds.
Coastal Fluorocarbon (PVDF)
Replacing simple powder coating with 3-coat AAMA 2605 certified PVDF fluorocarbon coatings that prevent chalking and blistering in harsh marine atmospheres.
Hidden Hardware Systems
Transition toward concealed 180-degree hinges and flush aesthetic sashes, satisfying minimalist Scandinavian and contemporary French architectural styles.
BIM & Precision Logistics
Contractors require direct-to-BIM digital twins and flat-pack engineered crating to eliminate container transit glass shock and simplify installation on site.
Factory Capability
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI)
Ranked among the premier fenestration and door industrial manufacturers in Foshan, DERCHI operates modern automated production hubs dedicated to custom OEM/ODM architectural windows, pivot doors, and structural curtain facades. Our vertically integrated production oversees raw billet casting, automated CNC corner crimping, and computerized optical glazing calibration.
- Certified Compliance: AS 2047 (N6 wind load rated), ISO 9001, CE, and North American NFRC certified testing regimens.
- End-to-End OEM/ODM Shop Drawings: In-house structural engineers furnish rapid AutoCAD and Revit BIM shop drawings.
- Direct Export Logistics: Comprehensive multi-layer moisture-proof protection and steel-reinforced fumigated timber crating.
180,000m²
Industrial Production Base
25+
Years Engineering Heritage
600+
Skilled Technical Personnel
100+
Patents & Global Certifications
Quality Control
Bespoke OEM/ODM Execution: From Concept to Site
Our engineering workflow guarantees dimensional precision, air tightness, and hassle-free installation on commercial and luxury developments.
01
Design & Schedule Audit
Structural evaluation of project elevation schedules, wind-load zoning (AS 1170/AS 2047), and acoustic targets.
02
CAD & 3D Modeling
Custom tooling profiles, drainage baffle geometry, and sub-frame connection drawings signed off prior to tooling.
03
CNC Machining
Precision miter cutting, German corner gluing/crimping, and multi-point hardware calibration under strict ISO 9001 gates.
04
Glazing & Pressure QC
Robotic IG unit installation, structural silicone application, and air-water-structural cyclic chamber testing.
05
Export Crating
Heavy-duty plywood crating with corner protectors, shock indicators, and labeled FCL/LCL ocean shipping.
Direct Answers
Aluminium French Window Sourcing FAQ
Essential technical and logistical answers for architects, quantity surveyors, and international project builders.
What structural advantages do Aluminium French Windows have over timber or uPVC?
Aluminium features a significantly higher modulus of elasticity compared to uPVC, enabling dramatically narrower sightlines capable of bearing heavy insulated glass units without sagging or warping. Unlike architectural timber, precision-extruded 6063-T5 aluminum is entirely impervious to termite rot, moisture absorption, and seasonal expansion. When outfitted with multi-cavity polyamide thermal breaks, it matches or exceeds the U-factors of wood while delivering zero ongoing maintenance.
How do you certify wind-load resistance for cyclone or coastal regions?
Our fenestration assemblies are rigorously tested in calibrated pressure chambers up to 4500 Pa positive/negative structural design pressure under AS 2047 (N6 cyclone rating). Heavy-gauge wall thickness (ranging from 1.8mm to 3.0mm) combined with cast aluminum corner cleating ensures structural integrity against hurricane-force gusts in Pacific and North American coastal regions.
Can we specify bespoke multi-point locking mechanisms for security?
Yes. We engineer fully custom hardware channels compatible with high-security European hardware systems, including Siegenia, Hoppe, and Roto Frank, as well as proprietary DERCHI multi-point mushroom-head locking cams. These configurations prevent pry-bar jimmying and distribute perimeter compression evenly along the triple EPDM gasket perimeter.
What is the standard production lead time and ocean packaging protocol?
Standard OEM/ODM production typically spans 25 to 35 business days following final CAD drawing approval. For logistics, all window frames receive electrostatic protective film, corner impact buffers, EPE foam wrapping, and are sealed into ISPM 15 compliant fumigated solid plywood crates designed for overhead crane or forklift site handling.