EN 14351-1 Standard Compliance

CE Certified Aluminum Vertical Sliding Windows Manufacturer & Suppliers

Architectural-grade thermal break sash systems engineered for acoustic dampening, weatherproofing, and modern architectural projects.

Featured Architectural Glazing Systems

Explore our premium CE-certified aluminium window profiles and specialized custom glazing configurations

Aluminium Profile Slim Door Frame Wardrobe Customized Doors
Aluminium Profile Slim Door Frame Wardrobe Customized Doors for Kitchen Bathroom Usage
AMJ AS2047 Australian Pocket Stacker Windows and Doors
AMJ AS2047 Australian Pocket Stacker Windows and Doors Double Glazed Commercial Exterior Patio Panoramic Aluminium Sliding Doors
All Aluminum HPL Door with Aluminum Alloy Frame
All Aluminum HPL Door with Aluminum Alloy Frame Indoor Complete Door Set Anti-Termite Fireproof Anti-Deformation
Thermal Break Aluminum Security Entry Door Glazed Ballistic Glass
Thermal Break Aluminum Security Entry Door Glazed Ballistic Glass Waterproof Exterior Front Door
High-Security Fireproof Aluminum Wood Folding Horizontal Windows
High-Security Fireproof Aluminum Wood Folding Horizontal Windows Low-E Glass Stainless Steel Screen for Exterior Apartment
Black Aluminum Interior French Arch Door
Black Aluminum Interior French Arch Door Aluminum French Glass Doors Black Aluminum Glass Interior French Door For Living Room
AS2047 Australian Standard Windows Commercial Double Glazed Awning
AS2047 Australian Standard Windows and Doors Commercial Window Double Glazed Aluminum Awning Windows Double Glazed Windows
Hurricane Proof Aluminum Exterior Door Balcony Patio Bifold Folding
Hurricane Proof Aluminum Exterior Door Balcony Patio Lowe Soundproof Glass Garden Aluminum Bifold Folding Door
CE / EN
Certified Standard 14351-1
6063-T5
High-Tensile Extrusion Alloy
U < 1.2
W/m²K Thermal Efficiency
100%
Pre-Shipment Factory QC

Engineering Excellence in CE Certified Aluminum Vertical Sliding Windows

As commercial developers, facade engineers, and architectural buyers seek higher energy performance and sophisticated sightlines, CE Certified Aluminum Vertical Sliding Windows have emerged as a prime architectural choice globally. Combining traditional vertical slider aesthetics (sash windows) with state-of-the-art thermal break engineering, these window systems provide smooth counterbalanced movement, weatherproofing, and strict alignment with European Union construction product directives (CPR 305/2011).

At Meric Window Systems Co., Ltd., we specialize in direct manufacturing and technical engineering of vertical sliding sash windows crafted from high-precision 6063-T5 aluminium alloy. By replacing outdated weight-and-pulley hardware with advanced spring torsion spiral balancers and incorporating PA66 polyamide thermal breaks, our systems overcome traditional air leakage while handling large double and triple-glazed sashes up to 150 kg per panel.

Technical Highlights & Structural Features

Why international specifiers trust our CE-certified vertical sliding window profiles for luxury residential and commercial developments.

PA66 Polyamide Thermal Insulation

Engineered with 24mm to 34mm glass-fiber reinforced PA66 strips that isolate exterior aluminium extrusions from interior frames, mitigating cold bridges and condensation.

Thermal Transmittance: Uw values as low as 1.1 - 1.4 W/m²K

Constant-Force Spiral Balancers

Heavy-duty stainless steel spring balancers customized to precise sash weights. Delivers smooth fingertip operation, multi-position holding, and long-term durability up to 50,000 operational cycles.

Effortless lifting for oversized sashes up to 1200mm x 2400mm

Dual-Tilt Inward Cleaning Mechanism

Both top and bottom sashes feature concealed release latches allowing panels to tilt inward at 90 degrees. This provides safe, simple glass cleaning from inside the building on high-rise structures.

Safety tilt-locks certified for commercial multi-family residential towers

CE Compliance & Architectural Specifications Matrix

The table below highlights performance criteria verified under European Norm standard EN 14351-1:2006+A2:2016, ensuring our aluminum vertical sliding windows meet global procurement standards for facade integrity, sound dampening, and safety.

Performance Standard Test Methodology Certified Performance Rating Architectural Application
Air Permeability EN 12207 / ASTM E283 Class 4 (600 Pa) High-rise facade weatherproofing & low air infiltration
Water Tightness EN 12208 / ASTM E331 Class E900 (900 Pa) Coastal wind-driven rain and extreme weather resistance
Wind Load Resistance EN 12210 / ASTM E330 Class C5 (2000 Pa) Structural integrity in hurricane-prone & tall building zones
Acoustic Rating (Rw) EN ISO 10140-2 Up to 42 dB (-1;-4) Urban luxury apartments, hotel guest rooms, & schools
Thermal Transmittance (Uw) EN ISO 10077-2 1.1 - 1.4 W/m²K Passive house retrofit, NZEB projects, & green buildings
Operating Force EN 12046-1 Class 2 (< 30 N) Accessible building designs & universal ergonomic compliance

Future Procurement & Industry Development Trends (2025–2030)

Key technological shifts shaping global sourcing for aluminum vertical sliding windows in modern architecture.

1. Decarbonization & Low Carbon Aluminum Profiles

Global architectural specifications increasingly demand Declaration of Conformity (DoP) and Environmental Product Declarations (EPD). Procuring 6063-T5 aluminum extruded using recycled scrap or hydro-powered smelters reduces embodied carbon significantly while meeting strict EU Green Deal mandates.

2. Ultra-Slim Sightlines & Panoramic Glazing

Traditional sash windows featured bulky 80mm+ center interlocks. Modern trends prioritize ultra-narrow profile interlocks down to 32mm–45mm, maximizing natural daylight permeability without compromising wind resistance or structural load ratings.

3. Motorized Smart Home Automation Integration

Commercial luxury developments are shifting toward motorized vertical sliding sash windows. Integrated linear actuators hidden within frame cavities connect seamlessly with KNX or RS485 building management systems (BMS) for automated night ventilation.

4. Rigorous Traceability & Third-Party Testing

B2B importers and project general contractors now reject unverified manufacturer claims. Procurement strategies mandate fully traceable testing batch numbers, factory production control (FPC) systems, and factory audit verification under ISO 9001:2015.

Why Partner with Meric Window Systems Co., Ltd.?

As a specialized manufacturer and global supplier of architectural aluminium window systems, Meric Window Systems Co., Ltd. bridge the gap between complex architectural blueprints and structural performance on site.

  • Precision In-House Extrusion & Powder Coating: Utilizing 6063-T5 primary billet extrusions finished with Qualicoat-certified fluorocarbon (PVDF) or anodized surface treatments resistant to salt spray and UV fading.
  • Advanced CNC Processing: 4-axis automated CNC machine centers perform cutting, slotting, and hardware milling within ±0.1mm tolerances for air-tight joint sealing and smooth sash gliding.
  • Comprehensive Glass Customization: In-house double and triple glazing units with Low-E hard/soft coatings, argon gas filling, warm edge spacers, and acoustic laminated glass options.
  • Export Wooden Crate Packaging Standard: Every window unit is protected with surface peel-off film, corner guard caps, and wrapped in ISPM-15 compliant heat-treated solid timber crates or steel A-frames to prevent transit damage during sea transport.
  • Tailored Window Schedule Engineering: Our technical team reviews structural wind loads, glass deflection, and shop drawings before production, ensuring accurate installation at the jobsite.

Frequently Asked Questions (FAQ) for B2B Procurement

Essential answers regarding certification, engineering, logistics, and technical specifications for commercial window buyers.

What documents are included in the CE Certification package for export?

Our CE certification package includes the Declaration of Performance (DoP) compliant with EN 14351-1, Initial Type Testing (ITT) reports certified by notified laboratory bodies, Factory Production Control (FPC) documentation, and detailed product labeling affixed to each unit for customs clearance and site inspection.

How do thermal break aluminum vertical sliding windows compare to traditional PVC or Timber sashes?

Aluminum profile vertical sliders offer far superior structural strength, allowing for slimmer sightlines and substantially larger glass sizes than vinyl (PVC). Unlike timber, high-tensile 6063-T5 aluminum alloy will not swell, rot, warp, or require regular painting in humid or marine environments, while PA66 thermal breaks match PVC energy performance.

What is the lead time for custom aluminum vertical sliding window orders?

Standard fabrication lead time is typically 25 to 35 business days following final shop drawing approval and color sample verification. For large commercial projects or custom extrusion die creation, timelines are adjusted based on total unit volume and glass supply schedule.

Can you engineering-test profiles for regional standards such as AS2047 or ASTM?

Yes. In addition to CE compliance, our engineering team regularly designs and tests window profiles against Australian Standard AS2047 / AS1288 as well as North American AAMA/WDMA/CSA 101/I.S.2/A440 standards depending on project destination needs.

What hardware brands and spring balance systems are integrated into the sashes?

We incorporate high-grade stainless steel spiral balances, block & tackle constant force balancers, and multi-point locking hardware from reputable international suppliers (e.g., Caldwell, Truth Hardware, Siegenia, or premium custom OEM hardware) rated for long lifespan and corrosion resistance.

Request Engineering Shop Drawings & Project Quotations

Submit your window schedule, elevation drawings, or CAD specs. Our senior facade engineering team will deliver structural calculations, U-factor estimates, and direct factory pricing within 24 hours.

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