Anti-Impact
Aluminum Alloy Concealed Hinge Pivot Entrance Door
- Heavy-duty hidden pivot bearing (350kg load)
- Integrated German multi-point compression seal
- Thermal transmittance: Ud ≤ 1.3 W/m²·K
Flagship Product Portfolio
High-Performance Aluminium Glazed Windows & Architectural Doors
Engineered to exceed strict European (CE/EN 14351-1), North American (NFRC/AAMA), and Australian (AS2047) standards, our product line delivers optimal thermal insulation, acoustic damping, and structural rigidity.
Anti-Impact
Gas-Strut 90° Flip
Aluminium Gas Strut Pass-Through Awning Bar Window
- Nitrogen gas strut lift mechanism (100k cycles)
- Full clear opening for catering/hospitality bars
- Double glazed argon Low-E insulated unit
Soundproof Villa
Modern Double Exterior Glass French Casement Doors
- High-grade PA66 thermal barrier insulation strip
- Sound insulation rating up to 42 dB (Rw)
- Internal/external perimeter EPDM gaskets
Anti-Static ACP
Anti-Static ACP Decorative Aluminum Interior Doors
- Moisture-proof, non-corrosive composite infill
- Precision engineered for hospitals, hotels & labs
- Anti-scratch fluorocarbon powder surface
Waterproof Retro
French Style Exterior Double Tempered Swing Door
- Slim sightline mullion with heritage design
- Double tempered ESG laminated acoustic glass
- Zero-threshold water barrier drainage design
NFRC Impact Rated
NFRC Hurricane-Resistant Aluminum Casement Window
- Tested to ASTM E1886/E1996 Large Missile D
- SentryGlas (SGP) interlayer storm glazing
- Patented 4-side multi-point burglar locking
Minimalist 16mm
Modern Ultra-Narrow Frame Aluminum Glass Door
- 16mm ultra-narrow visible profile sightline
- 6063-T6 architectural aerospace-grade alloy
- Fluted, frosted, or tinted laminated options
Lift & Slide System
Heavy-Duty Hurricane Sliding Glazed Lift-Up Window
- High wind-load rating up to 5000 Pa (Class E5)
- Smooth stainless steel tracks & tandem bogies
- Double/Triple insulated argon gas units
Tier-1 Manufacturing Infrastructure for Global Fenestration Demands
Honored with the "China Famous Brand" designation by Xinhua News Agency, DERCHI operates one of the most technologically advanced fenestration manufacturing campuses in Asia. Serving architectural engineering firms, EPC builders, and distribution hubs across the EU, North America, Oceania, and the Middle East, our fully digitized fabrication guarantees batch consistency, micrometric precision, and seamless export handling.
180,000m²
Intelligent Production Campus
1,000,000m²+
Annual Glazing Output Capacity
100+
Patents & Core Inventions
18,000+
Global Commercial & Villa Projects
Engineering Whitepaper & Science
The Mechanics of High-Performance Glazed Aluminium Fenestration
Modern building codes require precise thermal management, acoustic dampening, and wind-load resistance. Below is an engineering overview of our proprietary metallurgy and glazing technologies.
PA66-GF25 Polyamide Thermal Barriers
Aluminium is an inherently conductive material (thermal conductivity ~205 W/m·K). To neutralize thermal bridging, DERCHI utilizes 24mm to 34mm precision-extruded Technoform PA66 polyamide struts reinforced with 25% transverse glass fiber, reducing whole-window thermal transmittance (Uw) to below 0.85 W/m²·K for Passive House applications.
DIN EN ISO 10077-2
Tensile Strength > 80 N/mm²
Passive House Class A
Triple-Silver Low-E & Argon Sealed Units
Our Insulated Glass Units (IGU) integrate magnetron sputtered vacuum deposition (MSVD) Low-E coatings with triple-silver layers, reflecting up to 97% of long-wave infrared radiation. Filled with 90%+ concentration Argon or Krypton gas separated by Swiss warm-edge composite spacers, internal glass condensation is eliminated even under severe exterior deltas.
SHGC: 0.22 - 0.38
VLT: Up to 74%
EN 1279 Dual Seal QC
Four-Side Six-Point Anti-Burglary Mechanism
Covered by DERCHI proprietary invention patents, our perimeter drive locking hardware engages forged mushroom cam pins into hardened steel keeps on all four frame quadrants simultaneously. This design offers unrivaled RC2 / RC3 forced-entry resistance while guaranteeing uniform compression along perimeter cellular EPDM seals against extreme storm deltas.
EN 1627 RC2/RC3
Patented 6-Point Drive
Anti-Lift Pin Latches
Engineering Data Matrix
Standard Engineering Benchmarks Across Window Typologies
Compare acoustic attenuation, structural wind load limits, and thermal ratings across our core architectural glazing configurations.
| Glazing System Typology | Extrusion Wall Alloy | Thermal Transmittance (Uw) | Acoustic Damping (Rw) | Air Permeability (EN 12207) | Water Tightness (EN 12208) | Wind Resistance (EN 12210) |
|---|---|---|---|---|---|---|
| Thermal Break Casement Window | 6063-T6 / 2.0 mm | 0.82 - 1.2 W/m²·K | 42 dB (Rw+Ctr) | Class 4 (600 Pa) | Class E900 (900 Pa) | Class C5 (±2500 Pa) |
| Heavy-Duty Lift & Slide Door | 6063-T5 / 2.5 mm | 1.1 - 1.4 W/m²·K | 38 dB (Rw) | Class 4 (600 Pa) | Class 9A (600 Pa) | Class B4 (±2000 Pa) |
| Hurricane Impact Casement | 6063-T6 / 2.5 mm | 1.2 - 1.5 W/m²·K | 45 dB (Rw+Ctr) | Class 4 (600 Pa) | Class E1200 (1200 Pa) | Design Pressure: +100/-100 PSF |
| Gas-Strut Kitchen Awning Window | 6063-T5 / 2.0 mm | 1.3 - 1.6 W/m²·K | 35 dB (Rw) | Class 3 (300 Pa) | Class 8A (450 Pa) | Class C3 (±1500 Pa) |
| Minimalist Narrow-Frame Pivot | 6063-T6 / 3.0 mm | 1.2 - 1.4 W/m²·K | 39 dB (Rw) | Class 4 (600 Pa) | Class 7A (350 Pa) | Class C4 (±2000 Pa) |
Market Foresight & Analytics
Procurement & Fenestration Development Trends (2025–2030)
Commercial window specification is shifting toward decarbonized supply chains, extreme weather resilience, and digital manufacturing integration.
01 / Low-Carbon Recycled Aluminium & Circular LCA
Institutional developers across the EU and North America now demand Environmental Product Declarations (EPD) and low-embodied-carbon billeting. DERCHI addresses this through ASI-certified hydro-powered aluminium billets and post-consumer recycled extrusion options that cut carbon footprint from the traditional 16.8 kg CO&sub2;e/kg Al down to less than 4.0 kg CO&sub2;e/kg Al, ensuring credits for LEED v4.1 Platinum and BREEAM Outstanding certifications.
02 / Extreme Weather Hardening & Severe Storm Resiliency
With intensifying storm patterns globally, coastal developments are phasing out standard window frames in favor of monolithic hurricane impact architectures. Testing to ASTM E1886/E1996 protocols with SentryGlas (SGP) ionoplast structural interlayers prevents breach even during catastrophic envelope pressure cycling, protecting internal structural finishes and occupants.
03 / Smart Electrochromic & Photovoltaic (BIPV) Integration
Architects are increasingly transitioning from passive fenestration to dynamic, energy-harvesting building skins. DERCHI R&D engineering facilitates embedded smart actuators, concealed motorization, and electrochromic glass interfaces, allowing whole-building energy management systems (BEMS) to automatically modulate solar heat gain in real time.
04 / Turnkey BIM Level 2 & Direct-From-Factory Prefabrication
To eliminate on-site labor overhead and measurement mismatches, procurement directors require submittals modeled in BIM LOD 350/400 format. DERCHI delivers end-to-end parametric shop drawings, localized site verification support, and crated sub-assemblies ready for drop-in anchor installation, shortening construction project schedules by up to 35%.
Engineered Crating & Global Logistics
Zero-Damage Ocean Freight Engineering & Export Compliance
International fenestration procurement fails when packaging is treated as an afterthought. Our export logistics division treats packaging as a structural engineering discipline.
ISPM-15 Plywood Crates
Non-fumigation reinforced solid plywood crates with heavy-duty internal steel structural skeleton bases suitable for direct forklift unloading on commercial project sites.
Anti-Vibration Dampening
Custom-molded high-density EVA foam cushions and high-impact plastic corner guards isolate glass edges from maritime transport shock loads.
Container Desiccation
Vacuum protective film barrier paired with industrial calcium chloride desiccant bags prevents maritime humidity fogging and profile oxidation during multi-week oceanic voyages.
Direct Global Port Delivery
Full-container load (FCL) and consolidated (LCL) logistics to Rotterdam, Hamburg, Felixstowe, Long Beach, New York, Sydney, and Jebel Ali with complete customs documentation.
Procurement Knowledge Base
Frequently Asked Questions by Commercial Buyers & Importers
Clear, authoritative technical answers addressing building regulations, thermal modeling, export documentation, and lead-time guarantees.
Are your window systems fully certified under European EN 14351-1 CE marking?
Yes. All DERCHI aluminium window and door systems for European export hold third-party CE marking compliance under EN 14351-1:2006+A2:2016. We supply full Declarations of Performance (DoP), factory production control audits, and authenticated test records for air tightness (EN 12207), water resistance (EN 12208), wind load (EN 12210), and acoustic attenuation (EN ISO 717-1).
How do you configure window assemblies to meet local U-Value regulations (e.g. GEG, Part L)?
Our engineering team performs finite element thermal simulations (ISO 10077-2) using LBNL THERM and WINDOW software. Based on your project zone, we configure profile depth (from 65mm to 120mm), multi-cavity PA66-GF25 thermal struts, Low-E glass coatings (single, double, or triple silver), and argon gas spacers to achieve your target overall Uw value (e.g., ≤ 0.8 W/m²·K for Germany GEG / Passive House or ≤ 1.2 W/m²·K for UK Part L).
What architectural surface finishes and powder coating standards are provided?
We provide Qualicoat Class 1, Class 2, and AAMA 2604/2605 architectural powder coating options with guaranteed film thickness (60-80 μm) and 15 to 30 years finish warranties. For harsh marine and coastal environments, we specify Class 1 anodization (20-25 μm) or PVDF fluorocarbon coatings that withstand over 4,000 hours of continuous neutral salt spray testing without pitting or blistering.
What are standard production lead times and sample fabrication cycles?
Custom architectural sample units (including custom extrusions and RAL color match) are typically completed in 10 to 14 business days. Full container production orders (FCL) require approximately 25 to 35 calendar days following shop drawing sign-off and glass fabrication release, supported by our 180,000 m² campus and multi-line CNC automated processing centers.
Partner with an Industry-Leading Fenestration Manufacturer
Whether you require custom thermal break casement windows for residential luxury villas or thousands of square meters of NFRC/CE certified glazed facades for a commercial project, DERCHI provides factory-direct pricing, engineering precision, and dependable international logistics.