Soundproof Energy Saving Triple Glazed Aluminum Casement Window
- Profile: Thermal Break Aluminum
- Glazing: Triple Glazed Low-E + Argon
- Application: Passive House / Luxury Hotel
- Acoustic STC: Up to 45 dB
Certified Product Portfolio
High-Performance Casement Window Series
Explore our CE-certified, NFRC-tested, and AS2047-compliant casement window platforms engineered for structural durability, thermal efficiency, and precision architecture.
Modern Soundproof UPVC Double Glazed Energy Saving Vinyl Window
- Material: High-Impact Vinyl / UPVC
- Glazing: Double Glazed Tempered
- Standard: EU Standard Compliance
- Thermal U-Factor: ≤ 0.26 BTU/h·ft²·°F
Slim Frame Minimalist Thermal Break Aluminum Swing Window
- Sightline: Ultra-Slim Architectural
- Hardware: Stainless Steel Friction Stay
- Glazing: Double Tempered Safety Glass
- Finish: Anodized / Fluorocarbon
Beigeman Modern Double Glazed Soundproof Aluminium Casement Window
- Frame Depth: 67mm / 78mm System
- Glass Type: Tempered Low-E Insulated
- Application: Villas, Hotels, Kitchens
- Seal System: Triple EPDM Gaskets
Heavy Duty 86 Series Large Section Architectural Casement Frame
- Series: 86 Series / 798 Type Section
- Wall Thickness: 2.0 mm Primary Profile
- Wind Load: Class C5 (EN 12210)
- Max Height: Up to 3200 mm Panel
DERCHI Bespoke Custom Energy Efficient Double Glazed Casement System
- Customization: Millimeter-Accurate Sizing
- Thermal Barrier: Polyamide PA66GF25
- Hardware: German G-U Multi-Point
- Air Tightness: Class 4 (EN 12207)
Double Glazed Aluminum Alloy Swing Casement Window System
- Alloy Grade: 6063-T5 Architectural
- Glass Build-up: 6mm + 12Ar + 6mm Low-E
- Water Tightness: Class E1050 (EN 12208)
- Screen Option: Integrated Stainless Mesh
Rogenilan Dual-Action Tilt-Turn & Swing Casement Window
- Operation: Dual Action Swing / Tilt
- Glazing Options: Double / Triple Insulated
- Screen: Retractable Fly Screen
- Security: RC2 / PAS 24 Compatible
Engineering Excellence
CE Certification (EN 14351-1) & Technical Compliance
A comprehensive engineering guide for architectural specifiers, general contractors, and facade procurement directors evaluating high-performance aluminum casement windows.
EN 14351-1
Harmonized EU Standard
≤ 0.85
Uw Thermal W/m²K
45 dB
Acoustic Reduction
Class C5
Wind Load Resistance
Understanding CE Marking Requirements for Exterior Fenestration
In global fenestration engineering, obtaining CE Certification under EN 14351-1 is not merely a legal prerequisite for entering the European Economic Area (EEA)—it serves as the ultimate benchmark of structural safety, weatherproofing, and thermal efficiency worldwide. As a premier manufacturer of custom thermal-break aluminum windows and doors, our engineering process integrates stringent Factory Production Control (FPC) systems audited by accredited notified bodies.
The EN 14351-1 harmonized standard governs mandatory performance attributes that every commercial and residential casement window must declare via a formal Declaration of Performance (DoP):
- Air Permeability (EN 12207): Classified from Class 1 up to Class 4. Our 78T and 86 Series casement windows consistently achieve Class 4 (600 Pa test pressure), eliminating draughts and reducing HVAC building energy consumption.
- Watertightness (EN 12208): Evaluated under static and dynamic water spray conditions. Our engineered concealed drainage and multi-gasket EPDM barrier achieve Class E1050 (withstanding un-flooded pressure up to 1050 Pa).
- Resistance to Wind Load (EN 12210): Rated across frame deflection (A, B, C) and pressure classes (1 to 5). Our heavy-duty architectural profiles achieve Class C5, proving structural stability under extreme storm forces up to 2000 Pa design wind pressure.
- Thermal Transmittance (EN ISO 10077-2): Calculation and physical hot-box testing of frame ($U_f$) and total window ($U_w$). Utilizing polyamide PA66GF25 thermal breaks, our systems achieve overall $U_w$ ratings as low as 0.85 W/m²K.
- Acoustic Performance (EN ISO 717-1): Sound reduction index ($R_w$) measured in decibels. Double and triple IGUs combined with acoustic PVB interlayers deliver noise attenuation up to 45 dB STC.
Anatomy of a High-Performance Thermal Break Casement Window
Standard aluminum frames possess high thermal conductivity ($k \approx 160 \text{ W/m}\cdot\text{K}$), which causes significant energy loss and internal surface condensation. Our advanced casement systems overcome this physical limitation by inserting precision-engineered Polyamide PA66GF25 (25% Glass Fiber Reinforced) thermal barrier strips between the interior and exterior aluminum extrusions.
This structural isolation reduces profile thermal conductivity to less than $0.3 \text{ W/m}\cdot\text{K}$. Combined with multi-cavity chamber design, warm-edge silicone spacer bars, non-reactive Argon gas filling (90%+ concentration), and triple-layer Low-Emissivity (Low-E) pyrolytic/magnetron coatings, our fenestration products maintain interior surface temperatures above dew-point thresholds even in sub-zero winter environments.
International Fenestration Standard Comparison Matrix
| Performance Metric | CE Standard (EN 14351-1) | North American Standard (NFRC/NAFS) | Australian Standard (AS2047) | Boutique Factory Benchmark |
|---|---|---|---|---|
| Air Tightness | Class 4 (600 Pa) | ≤ 0.1 cfm/ft² @ 1.57 psf | ≤ 1.0 L/s·m² @ 150 Pa | Exceeds Class 4 (< 0.05 L/s·m²) |
| Water Penetration | Class E1050 (1050 Pa) | 15% of Design Pressure (up to 12 psf) | 450 Pa - 600 Pa High Exposure | 1050 Pa Certified (Concealed Drain) |
| Wind Resistance | Class C5 (2000 Pa) | DP 50 - DP 80 Commercial | Serviceability 3000 Pa / Ultimate 4500 Pa | Up to 5000 Pa Structural Span |
| Thermal Insulation | EN ISO 10077 $U_w \le 1.0$ | NFRC U-Factor ≤ 0.24 BTU/h·ft²°F | WERS Rating Thermal Pass | $U_w = 0.85 \text{ W/m}^2\text{K} \text{ (0.15 BTU)}$ |
| Hardware Standard | EN 13126 Multi-point | AAMA 904 Friction Stays | AS 4145 Security Hardware | German G-U / Siegenia / Kinlong |
Industry Forecasting
Future Procurement Trends in Architectural Fenestration
In-depth analysis of global market shifts, sustainability mandates, and technical innovations redefining B2B window procurement over the next decade.
1. Nearly Zero-Energy Buildings (nZEB)
Global building codes (such as the EU Energy Performance of Buildings Directive and US Title 24) are mandating ultra-low U-values. Procurement trends show a 400% surge in demand for triple-glazed casement windows incorporating vacuum insulated glass (VIG) and aerogel thermal break cavities to meet zero-carbon targets.
2. Ultra-Slim Sightlines & Structural Bonding
Modern architecture demands maximized daylighting and unobstructed views. The industry is rapidly shifting toward structural silicone glazing (SSG) techniques in casement profiles, transferring glass structural loads directly to aluminum frames while reducing visible sash width down to 38 mm.
3. Automated Micro-Ventilation & Smart Actuators
Smart commercial buildings and residential luxury estates are increasingly specifying concealed electric chain actuators integrated into casement sashes. These enable automated night-purging micro-ventilation synchronized with HVAC building management systems (BMS) for climate control.
4. Supply Chain Verification & EPD Traceability
Commercial developers now prioritize manufacturers offering Environmental Product Declarations (EPDs), recycled alloy sourcing (6063-T5 with >75% post-consumer scrap), and full BIM (Building Information Modeling) objects to streamline project submittal and LEED v4 certification.
Why Partner With Us
Enterprise Advantages & Factory Capabilities
Backed by over 15 years of precision fenestration engineering, our state-of-the-art manufacturing facility provides end-to-end custom fabrication tailored to international opening schedules.
Precision Fabrication to ±1 mm Tolerance
Unlike off-the-shelf catalog suppliers, every single frame unit produced in our facility is custom-fabricated from certified architectural shop drawings. Our automated 5-axis CNC machining centers execute extrusion cutting, corner crimping, lock-pocket milling, and drainage slot routing with structural precision.
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✓Raw Material Integrity: We utilize primary 6063-T5 aluminum alloy extrusions with minimum wall thicknesses of 1.6 mm to 2.0 mm, guaranteeing flexural strength and long-term fastener holding power.
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✓German Hardware Integration: Sashes are equipped with hardware systems from G-U (Gretsch-Unitas), Siegenia, or HK Kinlong, featuring multi-point locking gear, stainless steel friction stays, and anti-lift security hooks.
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✓Container-Ready Export Packaging: Units ship in custom fumigated A-frame timber crates with protective corner guards, PE shrink wrapping, and barcoded schedule tags corresponding to jobsite opening numbers.
B2B Project Support Lifecycle
- Opening Schedule Review: Architectural CAD drawing analysis, wind load engineering calculation, and glazing spec selection.
- Stamped Shop Drawings: Submittal packages including section details, wall anchoring methods, thermal break alignments, and finish codes.
- Sample & Mockup Approval: Full-scale corner samples and glass IGU build-up verification prior to mass production.
- Controlled Manufacturing: ISO 9001 factory production control, water pressure testing, and multi-point lock adjustment.
- Global Freight & Delivery: Direct container loading, customs paperwork, and replacement spare parts package included with every shipment.
Procurement Guidance
Frequently Asked Questions for B2B Buyers
Technical clarity on certification, custom sizing, thermal performance, and global shipping logistics.
How does CE Certification (EN 14351-1) protect commercial building developers?
CE marking under EN 14351-1 guarantees that the window units have passed rigorous third-party laboratory tests for structural deflection, watertightness under pressure, air leakage, and thermal transmittance. This documentation simplifies local building permit approvals, prevents site inspection delays, and protects developers from liability regarding energy code non-compliance.
What are the standard lead times for custom thermal break casement windows?
Our standard manufacturing lead time is 25 to 35 business days following final shop drawing approval and color sample sign-off. Because we maintain over 300 tons of raw 6063-T5 profile stock in-house, we can expedite critical commercial schedules upon request.
Can your casement windows be configured for coastal high-velocity hurricane zones (HVHZ)?
Yes. For coastal or high-wind installations, we engineer heavy-duty profile series (such as our 86T and 150T platforms) fitted with laminated impact glass (PVB/SGP interlayers), reinforced stainless steel friction stays, and extra anchoring fasteners designed to withstand design pressures exceeding 5000 Pa (equivalent to Category 5 hurricane wind forces).
What hardware brand options do you offer for OEM / ODM production?
We supply top-tier European hardware systems as standard, including German G-U (Gretsch-Unitas), Siegenia-Aubi, Hoppe handles, as well as high-grade HK Kinlong hardware. Hardware finishes can be color-matched, anodized, or powder-coated to match project specifications.
How do you prevent glass breakage and frame damage during ocean freight transit?
All window frames are wrapped in protective PE foil, corner-protected with high-density EVA foam, and packed into heavy-duty fumigated wooden A-frame crates. Glass IGUs are fitted with cork pads between panes to absorb dynamic vibration during ocean container transport.
What is the difference between double-glazed and triple-glazed thermal break windows?
Double glazing (e.g., 6mm Low-E + 12mm Argon + 6mm Tempered) provides excellent general thermal insulation ($U_w \approx 1.4 \text{ W/m}^2\text{K}$). Triple glazing (e.g., 6mm Low-E + 12mm Argon + 5mm Float + 12mm Argon + 6mm Low-E) introduces an additional insulating gas layer and Low-E coating, lowering the total window $U_w$ value to 0.85 W/m²K—ideal for extreme cold climates, Passive House projects, and high-noise urban environments.