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Technical Data of Aluminum Curtain Wall

Aluminum Curtain Wall – Common Specifications
CategorySpecifications & OptionsNotes & Options
Material6063-T5, 6063-T6Al-Mg-Si alloy, high strength and corrosion resistance
Profile ThicknessMain load-bearing: ≥3.0mm
Non load-bearing: ≥2.5mm
Options: 2.0mm, 2.5mm, 3.0mm
Thickness determined by structural calculations
Surface FinishPowder coating, PVDF coating, AnodizingCustom colors available, PVDF recommended for exterior
Glass TypeTempered, Heat-strengthened, Laminated, Insulating, Low-ECommon configurations: 5+6A+5, 6+9A+6, 8+12A+8
SealantSilicone weatherproof sealant, EPDM gasketEnsures water and air tightness
Performance GradeWind load: ≥Grade 9
Water tightness: ≥Grade 4
Air permeability: ≥Grade 4
Sound insulation: Rw≥30dB
Performance levels vary by project requirements
ApplicationsCommercial buildings, Office towers, Public facilities, High-rise residencesBuilding envelope systems

Aluminum Curtain Wall System Options

Glass Aluminum Curtain Wall

A Glass Aluminum Curtain Wall is a lightweight, non-structural exterior cladding system. It features an aluminum grid infilled with Low-E glazing to provide weather protection, thermal insulation, and daylighting.


Aluminum Panel Curtain Wall

An Aluminum Panel Curtain Wall is a non-load-bearing exterior cladding system with aluminum composite or solid panels mounted on a structural grid. It provides weather resistance, thermal performance, and aesthetic flexibility, supporting durable, contemporary facade designs.


Custom Aluminum Curtain Wall

A Custom aluminum curtain wall is engineered building envelope with framing profiles, glazing, panel dimensions, finishes, and anchorage tailored to architectural and structural requirements.

Custom Aluminum Curtain Wall Options

ComponentCustom Options
Aluminum Profiles6063-T5 / T6, dimensions based on structural design
GlassTempered, laminated, insulated, Low-E
FinishPVDF, powder coating, anodized
ColorProject-specific colors
Panel / Module SizeCustomized according to drawings
SealingSilicone sealant, EPDM gasket
ConfigurationGlass, aluminum panel or combined façade solution

Aluminum Curtain Wall Engineering & Fabrication

01 Shop Drawing & System Review

Architectural drawings, façade elevations, dimensions, and performance specs are reviewed for structural, thermal, and weather-tightness compliance before fabrication.


02 Aluminum Profile Fabrication

Aluminum profiles are cut, drilled, milled, and surface-finished in strict accordance with approved shop drawings.


03 Glazing & Component Preparation

Glass units, panels, gaskets, sealants, and anchors are verified for compliance with system specifications and project-specific performance criteria.


04 Quality Inspection

Materials, dimensions, finishes, assembly, and sealant application are inspected before packing and dispatch.

FAQs About Aluminum Curtain Wall

1. What is an aluminum curtain wall system?

An aluminum curtain wall is a non-load-bearing exterior façade system with an aluminum grid infilled with glass, aluminum panels, or other cladding materials. It is used in commercial high-rises, hotels, offices, and other modern buildings.

2. What aluminum alloy is commonly used for curtain wall framing?

ALTOP aluminum curtain wall systems commonly use 6063-T5 or 6063-T6 aluminum profiles. The specific profile size, wall thickness, reinforcement, and configuration are selected according to structural design and project requirements.

3. What glass options are available for aluminum curtain walls?

Glazing options include tempered glass, laminated glass, insulated glass (IGU), Low-E glass, and spandrel glass. Thickness, coating, color, and configuration are selected based on design, safety, thermal, and performance requirements.

4. Can aluminum curtain wall systems be customized?

Yes. ALTOP can customize aluminum profiles, panel dimensions, glazing configurations, colors, surface finishes, connection details, and other system components based on architectural drawings and project-specific requirements.

5. Can ALTOP manufacture aluminum curtain walls according to architectural drawings?

Yes. ALTOP can review architectural drawings, façade elevations, dimensions, glazing specifications, and performance requirements to coordinate suitable curtain wall configurations and fabrication details for the project.

6. What information should I provide for an aluminum curtain wall quotation?

To facilitate an accurate quotation, please provide the following: architectural drawings and facade elevations, curtain wall system type, glass specifications, aluminum finish, performance requirements, project location, quantity and expected project schedule.


Features of Aluminum Curtain Wall

Features of Aluminum Curtain Wall
  • High-strength structural system with aerospace-grade aluminum profiles offers excellent load-bearing capacity and wind pressure resistance, making it suitable for advanced aluminum curtain wall manufacturers standards.

  • Multi-layer sealing design ensures superior water and air tightness, suitable for various climate conditions in modern aluminum curtain wall systems applications.

  • Modular installation system with unitized design enables rapid assembly, significantly reducing construction time.

  • Modern aesthetic design supports various facade configurations and color schemes to achieve architectural beauty.

  • Durable PVDF coating surface treatment provides excellent weather resistance and long-term color stability.

  • Thermal break design effectively reduces energy consumption, meeting green building standards for aluminum curtain wall performance optimization.

  • Customized solutions with personalized design and professional technical support based on project requirements.

  • Corrosion-resistant materials and dust-proof design significantly reduce long-term maintenance costs.

  • Rigorous mechanical calculations and testing ensure system safety and reliability, supporting modern aluminum glass curtain wall applications.

  • Wide applicability for various commercial, office and public building envelope systems.


Aluminum Curtain Wall Details

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