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Aluna+Window

Redefining The Future Of Aluminium

Aluna+ is a revolution in aluminium window design.

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Aluna+ introduces next-generation aluminium windows, delivering modern, slimline performance. With sleek sightlines as standard and options in casement, flush, and tilt turn, this advanced 75mm system offers the EASIEST, QUICKEST, most FABRICATOR FRIENDLY.

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Aluminium windows have evolved beyond outdated designs over recent years. The market has focused heavily on thermals and meeting future legislation. Whilst this remains essential, Alunet Systems believe it is equally important to prioritise fabricators’ needs and have developed future-proofed slimline aluminium window systems that exceed legislation, lead the marketplace, and help customers increase profit by making fabrication easier.

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  • Casement, Flush, and Tilt Turn aluminium windows
  • Performs better than the legislative 1.4 u-value, achieving as low as 1.3 u-value with double glazed aluminium windows, and as low as 0.9 u-value with triple glazed aluminium windows
  • Beating regulation u-values using standard double glazing, allowing 20% more light through every aluminium window as standard
  • Out of the box Building Regulation compliant no foam, no fuss
  • Engineered polyamide thermal breaks for energy efficient aluminium windows
  • Over 30% less parts than comparable slimline aluminium windows
  • Reduced stockholding – maximising space & efficiency
  • Simplest window to manufacture on the market – reducing fabrication times
  • Over 5% reduction in waste
  • Reduces your fabrication carbon footprint.
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Features & Benefits
Extensive Product Family
Our Aluna+ aluminium window system delivers a broad, high-performance product suite, packed with solutions for every construction requirement. Enhancing the Aluna whole-house collection, Aluna+ offers slimline aluminium windows in Casement, Flush, and Tilt Turn options to elevate any project.
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The flexibility of the system ensures that all residential new build, refurbishment, and commercial applications can be specified with confidence, providing configurations that satisfy developers, clients, and homeowners with double or triple glazing and legislation-exceeding energy efficiency.
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Taking You Beyond Legislation
Designed exclusively in house by our technicians and experienced product developers, with the fabricator in mind, the objective was clear, take Aluna+ beyond the current legislation governing UK construction.
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Why? The ability to outperform the recent changes to Part L of the UK Building Regulations and the introduction of the Future Homes standards means that with Aluna+ Window System provides both the fabricator and the homeowner with out of the box compliance to current and future legislation.  Aluna+ performs thermally with no foam requirement within the frame nor the sash, therefore no fuss in fabrication saving you labour cost and time .
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Engineered polyamide thermal breaks are used throughout the system performing far better than traditional materials adopted by other systems on the market.  The unique low lambda construction of the polyamide  generates U-values of 1.3 using standard double glazing, positioning Aluna+ Windows far ahead of our competition and removing the risks associated with other materials which naturally have far higher coefficients of thermal expansion.
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Over 30% Less Parts
Aluna+ offers more than strong thermal performance; the real advantage for fabricators is that the aluminium window system is designed with over 30% fewer parts. This major benefit reduces stockholding, frees valuable manufacturing space, and improves overall efficiency. With fewer components needed to create every aluminium window design, far less capital is tied up in inventory, giving fabricators better cash flow and stronger production control.
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Reducing Waste By A Minimum Of 5%
Aluna+ redefines modern fabrication by delivering meaningful efficiency gains in time, manufacturing simplicity, stock holding and space management, helping fabricators achieve stronger returns on every project. Designed from concept to production with a clear focus on lowering fabrication waste, the system enables aluminium window manufacturers to maximise margin potential with far less material loss. By reducing waste by more than 5% on each unit, and often more depending on the project design.
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uses earnings potential per unit for every customer. What we have created with Aluna+ is a progressive, future-ready approach that reshapes the way aluminium windows are produced, delivering a major step forward in system innovation and driving the direction of our product designs and future developments.
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Glazing
Clip-in beads are available across the Aluna+ Window System, delivering a cleaner, more efficient installation process. When paired with the market-leading Aluna+ profile, installers benefit from improved flexibility and straightforward handling, significantly reducing the time required to glaze each individual pane.
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The standout feature of this new bead design is the assured, precise click as it engages. It locks securely into position without the need for tools or unnecessary force, eliminating the slow and awkward wedge-gasket method traditionally used in glazing.
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Alongside the simplicity of clip-in beads, Aluna+ also offers dedicated glazing platforms engineered to accommodate both 28mm and 40mm glazing options.
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Colours
Perfectly aligned with the wider Aluna range, our Aluna+ window system offers a selection of popular, in-stock finishes including Grey 7016 (Matte), Black 9005 (Matte), White 9016 (Gloss), Grey 7016 (Matte) on White 9016 (Gloss), Black 9005 (Matte) on White 9016 (Gloss), plus Textured Grey 7016 and Mill Finish options.
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Available in single or dual colour formats, the Aluna+ system is factory powder coated to marine-grade standards in line with Qualicoat regulations. Aluna+ windows can also be produced in any preferred RAL colour upon request.
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Modular Cills & Configurations
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Technical Performance
  • PAS24: 2022 compliant aluminium windows engineered for enhanced security
  • 75mm casement, flush, and tilt-turn aluminium window systems , including slimline aluminium windows
  • Outperforming the standard 1.4 U-value achieving 1.3 with double glazed aluminium windows and as low as 0.9 with triple glazed aluminium windows
  • Superior regulation-beating U-values using standard double glazing, allowing 20% more natural light
  • Delivered fully Building Regulation compliant—no foam, no fuss
  • Engineered polyamide thermal breaks for highly energy efficient aluminium windows
  • Over 30% fewer parts for stronger long-term performance
  • Reduced stockholding for greater fabrication efficiency
  • Simplest aluminium window to manufacture—cutting production times
  • Over 5% reduction in fabrication waste
  • Lower overall carbon footprint across your aluminium window manufacturing process
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Inspiration & Frequently Asked Questions
  • The Aluna+ aluminium window system delivers outstanding thermal efficiency, security and long-term durability. Designed to maximise visibility, these energy efficient aluminium windows provide superb wind, water and air performance for consistently improved comfort.
Download our Brochures here
Download one of our Aluna Brochures here
Brochure 1