Modern Architectural Elegance Meets Structural Precision

Redefine your building façade with the Qwind SD-40 Curtain Wall System — a sleek, high-performance aluminium solution designed for bold architectural expressions. Whether you’re designing a commercial skyscraper, retail hub, or high-end residential project, this system offers clean sightlines, superior performance, and adaptability for large glass panels.

Built with Aluminium Alloy 6063, SD-40 ensures strength, style, and durability—making it the ideal choice for high-rise or exposed façade installations demanding both aesthetic minimalism and structural integrity.

System Technical Specifications

• Profile Alloy: Premium 6063 aluminium for high tensile strength, excellent surface quality, and corrosion resistance.

• Glass Compatibility: Supports glass from 5mm to 44mm — including Single, Laminated, DGU, and DGU Laminated units for thermal and sound insulation.

Acoustic & Structural Performance

• Sound Reduction: Up to 38 dB, ensuring peaceful interiors in noisy urban zones.

• Optional Steel Reinforcement: Designed to withstand high wind loads, especially critical for coastal or high-rise applications.

Slim Sightlines, Superior Transparency

• Minimum Visible Width (Interior & Exterior View): Just 40 mm, offering a clean, minimalistic appearance without compromising stability.

• Vent Visible Width:

  • Interior View: 145 mm

  • Exterior View: 145 mm — engineered to balance sleekness with functional hardware integration.

Shutter & Vent Options

• Max Width/Shutter: 700 mm

• Max Height/Shutter: 1800 mm

• Opening Possibilities: Supports Turn & Tilt, Side Hung, and Top Hung operations — giving users ventilation flexibility without sacrificing aesthetics.

Security & Finish Options

• Locking System: Both Single and Multi-Point Locking options available for enhanced safety and airtight sealing.

• Hinge Type: Choose from Butt or Friction hinges — based on weight and design preference.

• Finish Options:

  • Anodized for sleek metallic tones

  • Powder Coated in custom RAL shades

  • Wood Effect Finish for natural appearance

  • PVDF Coating for harsh weather durability and color retention

Dimensional Details

• Minimum Mullion Depth: 110 mm – ensuring strong structural integrity with slimmer frames

• Vent Sections: Designed to fit seamlessly into the curtain wall while maintaining structural strength and ventilation efficiency

Why Choose Qwind SD-40 Curtain Wall Series?

• Ultra-slim profile with just 40mm visibility, ensuring maximum light entry

• Fully compatible with vent opening modules

• Ideal for commercial buildings, luxury homes, airports, hotels, and other premium architecture projects

• Reinforcement-ready for challenging climates and taller structures