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Windows engineered to perform

Minimalist sightlines, advanced thermal performance and flexible detailing– aluminium windows by Deceuninck Aluminium

Decalu offers an extensive range of casement and tilt-and-turn window options including the minimalist Decalu88 Steel, and Decalu110 New Steel options. With hidden drainage and available in our extensive colour palette, we define the character of buildings.

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decalu 88 standard
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Elegant and understated

The Decalu88 Standard Window

A timeless style with a completely flat exterior, the Decalu88 is highly flexible option and suitable for a wide range of applications.

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  • Contemporary thermally efficient system aluminium curtain walling system
  • U-values as low as 0.81W /m2k triple-glazed or 1.1W/m2k double-glazed making it Part L and Future Homes ready
  • Available in any single or dual RAL colour option, or textured and metallic finishes.
  • Marine grade as standard
  • Air permeability, NBN EN 12207, Class 4
  • Watertightness, NBN EN12208, E2250
  • Wind resistance, NBN 12210, Class C5
  • Acoustic value, EN20140-3:1999, RW 47(-1;-2)
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decalu newsteel
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Minimalist high-end architecture

The Decalu88 New Steel

The Decalu88 New Steel Window is defined by a contemporary high-end architectural aesthetic making it ideal for modern statement installations.

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  • Contemporary 88mm thermally efficient system
  • U-values as low as 0.81W /m2k triple-glazed or 1.11W/m2k double-glazed making it Part L and Future Homes ready
  • Available in any single or dual RAL colour option, or textured and metallic finishes.
  • Marine grade as standard
  • Air permeability, NBN EN 12207, Class 4
  • Watertightness, NBN EN12208, E2250
  • Wind resistance, NBN 12210, Class C5
  • Acoustic value, EN20140-3:1999, RW 47(-1;-2)
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decalu hidden
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Minimalist high-end architecture

The Decalu88 Hidden

The ultimate in minimalist design, the opening window sash is completely hidden behind the frame in this modernist window designed to maximise light.

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  • Contemporary 88mm thermally efficient system
  • U-values as low as 0.78W /m2k triple-glazed or 1.17W/m2k double-glazed making it Part L and Future Homes ready
  • Available in any single or dual RAL colour option, or textured and metallic finishes.
  • Marine grade as standard
  • Air permeability, NBN EN 12207, Class 4
  • Watertightness, NBN EN12208, E2250
  • Wind resistance, NBN 12210, Class C5
  • Acoustic value, EN20140-3:1999, RW 47(-1;-2)
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decalu retro
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Sculptured detailing and exceptional design flexibility

The Decalu94 Retro

The Decalu94 is a more traditional window option featuring classic detailing for period installations.

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  • Contemporary 94mm thermally efficient system
  • U-values as low as 0.82W /m2k triple-glazed or 1.21W/m2k double-glazed making it Part L and Future Homes ready
  • Available in any single or dual RAL colour option, or textured and metallic finishes.
  • Marine grade as standard
  • Air permeability, NBN EN 12207, Class 4
  • Watertightness, NBN EN12208, E2250
  • Wind resistance, NBN 12210, Class C5
  • Acoustic value, EN20140-3:1999, RW 47(-1;-2)
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High rise and ultra-energy efficient solution

The Decalu101 Scand

This pivoting window rotates 160° for easy cleaning and maintenance, making it ideally suitable to applications where access is an issue.

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  • Contemporary 101mm thermally efficient system
  • U-values as low as 0.89W /m2k triple-glazed or 1.31W/m2k double-glazed making it Part L and Future Homes ready
  • Available in any single or dual RAL colour option, or textured and metallic finishes.
  • Marine grade as standard
  • Air permeability, NBN EN 12207, Class 4
  • Watertightness, NBN EN12208, E1800
  • Wind resistance, NBN 12210, Class C5
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decalu steel
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Warehouse and industrial loft style

The Decalu110 Steel

Inspired by the industrial trend, this window is perfect for contemporary statement builds.

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  • Contemporary 110mm thermally efficient system
  • U-values as low as 0.79W /m2k triple-glazed or 1.13W/m2k double-glazed making it Part L and Future Homes ready
  • Available in any single or dual RAL colour option, or textured and metallic finishes.
  • Marine grade as standard
  • Air permeability, NBN EN 12207, Class 4
  • Watertightness, NBN EN12208, E2250
  • Wind resistance, NBN 12210, Class C5
  • Acoustic value, EN20140-3:1999, RW 47(-1;-2)
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Tapping into the industrial warehouse trend, the Decalu88 New Steel has a contemporary architectural aesthetic.

  • Ultra-energy efficient with u-values of as low as .81W /m2k triple-glazed
  • Advanced acoustic performance with RW 47rating
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