Composite Door Designer

Alunet Aluminium Bi-folds, windows and door systems

Value Engineered Aluminium
Bi-folds, Casements & Doors

Achieving a DER energy rating of B and a new PAS24:2022 certification, the bifolds are designed to the most up to date standards to be the best the market has to offer.
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From your imagination to reality

Luxury super-slim aluminium bifolding doors by

The ALUNA Bifold is part of a collection of products brought to you by Alunet Systems, bringing their expertise and knowledge into a range unbeaten on quality.

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Colours

Discover our ALUNA bifold doors, French doors, and single doors, available in any RAL color upon request to perfectly match your design preferences. We also offer a selection of in-stock standard colors, including Matte Grey 7016, Matte Black 9005, Gloss White 9016, Matte Grey 7016 on Gloss White 9016, Matte Black 9005 on Gloss White 9016, Textured Grey 7016, and Mill Finish. Explore our range to find the ideal color and finish for your project.

White
7016 Grey
Black
Custom
7016/ Wht
Black/Wht
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Technical Performance

When it comes to exceptional quality and efficiency, Alunet bi-fold doors set the standard. 

Engineered with precision, these doors are designed to deliver outstanding performance in both functionality and durability. Our technical performance section delves into the advanced features that make Alunet bi-fold doors a top choice for modern living spaces. 

From superior thermal insulation to robust security measures and effortless operation, discover how Alunet combines innovation and craftsmanship to enhance your home or business.

PAS24COMPLIANT2022

Security

PAS24 certification ensures that Alunet bi-fold doors meet high standards for resistance against forced entry. With advanced locking systems and reinforced frames, our doors provide exceptional security and peace of mind.

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U Values

Alunet bi-fold doors feature an impressive U-value of 1.4 W/m²K, ensuring excellent thermal insulation. This low U-value means better energy efficiency, keeping your space comfortable and reducing heating costs.

W/M2KTRIPLEGLAZED1.1

Triple Glazed Options

With triple glazing, Alunet bi-fold doors achieve an exceptional U-value of 1.1 W/m²K. This superior thermal performance enhances energy efficiency, keeping your space even more comfortable and reducing heating costs.

ENERGYRATED B

Door Energy Ratings

Alunet bi-fold doors boast a B Energy Rating, reflecting their high efficiency in heat retention. This rating signifies that our doors offer excellent insulation, contributing to reduced energy bills and a more comfortable living environment.

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Low Sightlines

Alunet bi-fold doors are designed with low sightlines, providing a sleek, minimalist look that maximizes your view. These slim profiles ensure more glass and less frame, enhancing natural light and maintaining unobstructed vistas.

Key Features

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Modern apartment

Designed by: Olivia Fisher
Project Budget: $25,000
Chosen style: Modern
location: Chicago, IL
Contemporary Duplex

Designed by: Evan Glover
Project Budget: $40,000
Chosen style: Contemporary
location: Detroit, MI

Thresholds

The ALUNA Bifold, French Door & Single Door can all be designed with the following threshold options:

Standard threshold

A 55mm threshold that acts as a full weather break.

Low threshold

A 20mm threshold for a seamless look.

Low threshold with rebate

A 20mm rebate attatched to a low threshold.

Low threshold with ramps

Ideal for homes that need additional accessability.

Integrated cill

Provides full weather rating and maximises the overall sash height.

  • Market-leading maximum sash sizes up to 1200mm x 3000mm

  • Maximum vision - minimal sight lines of only 107mm or 120mm

  • Maximum security - PAS24:2022 certification

  • U-values as low as 1.1 with triple glazing and 1.4 with double glazing (U W/m2k)

  • Maximum weatherproofing – tested to BS6375 Part 1:2009

  • Single or dual colour. Factory powder coated to marine quality as per Qualicoat regulation

  • 120kg per door leaf provided for the openings

  • Engineering-grade running rollers for a smooth and silky opening and closing operation

  • Trickle vents can be added

Slim Aluminium Casement Windows

★★★★★ 5/5
The ALUNA Window features an ultra-slim sash that minimizes sightlines to maximize your view. It meets the PAS24:2022 security standard and surpasses Part L regulations with a Window Energy Rating (WER) of A. When paired with highly efficient glass, it achieves the new building requirement of 1.4 W/(m²K).
You can choose the ALUNA Window with a standard 81mm outer frame or opt for the new 73mm outer frame. The 73mm frame integrates seamlessly with our ALUNA Bifold door system and shares some components with it. This new profile is ideal for using the window as sidelights with openers alongside the bifold doors. Additionally, the window can be glazed from both the inside and outside for an easy, hassle-free installation.
All configurations of the ALUNA Window system can be finished in several glazing options to create a style that suits any property.

- 28-44mm glazing options
- Heritage/ flush & standard window options 1.4 U-value
- Energy rating A (WER)
- Side hung / top hung / fixed light options available
- NEW 73mm aluminium profile option perfectly complements the ALUNA Bifold system

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