AluK 58BW Aluminium Window

  • Design.

    The AluK Optio 58BW HI window is a high-performance system designed for both residential and commercial applications, characterized by its slim, modern profile that maximizes natural light.

    Available in various configurations such as top-hung, side-hung, tilt-and-turn, and fixed light, it offers design versatility to meet different architectural needs.

    Additionally, a range of colour and finish options allows for further customization to suit various aesthetic preferences.

  • Construction.

    Constructed from high-quality aluminium, the AluK 58BW window system ensures durability and longevity.

    Aluminium is chosen for its strength and resistance to corrosion, ensuring the windows withstand various weather conditions without compromising performance.

    The inclusion of a polyamide thermal break within the frame enhances thermal insulation, reducing heat transfer and improving energy efficiency.

  • Security.

    The security features of the AluK 58BW window system are robust and comprehensive, designed to ensure peace of mind for both residential and commercial applications.

    Central to its security profile are multi-point locking mechanisms, which engage at multiple points along the window frame to provide a secure closure.

    This design significantly enhances resistance against forced entry, making it challenging for intruders to breach the windows

Choose from three unique sash designs

The AluK 58BW window system offers several sash styles to cater to different aesthetic preferences and functional needs. 

Each sash style offered by the AluK 58BW window system is designed with precision and functionality in mind, catering to different architectural styles and user preferences while maintaining the system's high standards of performance, durability, and security.

Choose from:

Flat Sash - (TEXT)

Heritage Stepped - (TEXT)

Chamfered Putty Line - (TEXT)

In terms of performance, the 58BW HI variant excels in thermal efficiency, contributing to improved energy savings and reduced heating costs due to its ability to achieve low U-values. 

It also boasts high levels of weather resistance, making it suitable for various climates. Security is a key feature, with options for multi-point locking systems and the inherent durability of high-quality aluminium, ensuring long-term reliability and minimal maintenance.

Starting with U-Values as low as:

1.4 W/m²K (Double-Glazing)
1.1 W/m²K (Triple-Glazing)

Unmatched,
Thermal Performance.

High-Security Multi-Point Locking.

A home isn't truly a home without the safety and security it provides, which is something we take very seriously.

This is a top design priority for our in-house Research and Development team, and we are proud to say that all of our products (excluding those from our Sliding and Internal Door ranges) are not only PAS 24 compliant but also Secured by Design accredited.

This means our products have been thoroughly examined and tested to ensure they are fit for purpose in any property, whether it's an existing structure, a renovation, or a new build.

Secured by Design is the police-preferred specification created to help 'design out' crime through the use of high-quality, innovative products and processes.
To achieve Secured by Design status, our products had to meet the rigorous test standards required by the police.

10-Year industry-leading guarantee as standard.

Uncompromising quality control, finely tuned components, precision engineering, and exceptional craftsmanship enable us to offer a guarantee of up to 10 years across the entire AluK product range, ensuring complete peace of mind.*

*Guarantee based on installation location.

Our in-house Research and Development team operates on a continuous cycle, tirelessly optimizing every component, manufacturing technique, and features such as security, thermal efficiency, and safety. This dedication propels AluK to the forefront of design and manufacturing excellence.

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Choose a colour to suite your lifestyle.

Our doors and windows are entirely bespoke, and a significant aspect of this customization is the colour of the frames.
We're pleased to offer over 150 different RAL colours for you to choose from.

Whether you prefer black, white, metallic, pastel shades, or any colour of the rainbow, we guarantee to have a colour that will inspire and work perfectly for you.

The choice is yours – you can blend the frames with your brickwork, render, or cladding, match the existing colour, or opt for something bold and distinctive. With this extensive colour range, you can make a truly personal statement, ensuring there is an option to suit any property type.

We offer a competitive colour-coating service with all profiles machine sprayed at Qualicoat.

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  • Certified under the Secured By Design Scheme (PAS24)

  • Integrated deep head profiles for ease of trickle ventilation.

  • Unique Polyamide thermal break design for improved thermal performance.

  • Casement system style sightlines to match T&T Window Profiles.

  • Reverse rebate glazing option for internal installations.

  • Options for 58mm or 70mm glazing projects.

  • Supports open-in or open-out design styles.

  • Internally (standard) or External glazed beading for low and high-rise glazing projects.

  • Available in the Lifetime Homes Scheme (LFT)

  • Available with dedicated fixing straps for new build-installations

  • Designed with Euro-Groove to accommodate multiple hardware choices and configurations.

  • Smoke vent certification compliance to EN1201-2:2003 Annex G

  • Available in single or dual RAL colour polyester powder coating , textured & anodised frameworks.

  • Glazing thickness from 24mm-40mm

  • Available in Top Hung , Bottom Hung , Fixed Light , Multi-Light and French Casements.

Performance and accreditations:

  • U-Value (Double Glazing) - 1.4 W/m²K

  • U-Value (Triple Glazing) - 1.2 W/m²K

  • Window Energy Rating (WER) - B-C

  • BRE Green Guide Rating - A

  • Air Permeability - Class 4 (600pa)

  • Water Tightness- Class 9 (600pa)

  • Wind Resistance - Class E2400 (2400pa)

  • Security - PAS24

  • 3rd Party Certification Q-Mark - Yes

  • Glazing: Internal & External Beading

  • Single Colour: Yes

  • Dual Colour: Yes

  • Textured Finish: Yes

  • Anodised Finish: Yes

  • Multi-Point Locking: Yes

  • Frame Depth - 58mm & 70mm

  • Top Hung:
    Max. Size 1750w x 2500h
    Min. Size 300w x 350h
    Max Weight: 180kg

  • Side Hung:
    Max. Size 838w x 1750h
    Min. Size 300w x 300h
    Max Weight: 55kg

  • Bottom Hung:
    Max. Size 1750w x 1750h
    Min. Size 350w x 350h
    Max Weight: 45kg (5 Hinges)

  • Butt Hinges:
    Top Hung: 40kg
    Side Hung: 45kg

  • Fixed Light:
    Max Weight: 250kg

  • Sightlines:

    Frame to Vent: 75mm
    Vent to Mullion: 89mm
    Fixed Light: 43mm

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