Aluminium Casement Window

A minimalistic and contemporary edge. The AluK 58BW ST HI aluminium casement window.

The perfect aluminium casement window

Featuring industry leading build quality, the AluK 58BW ST HI aluminium windows are an ideal replacement for existing steel windows. In addition to impressive high thermal and acoustic performance, the design also replicates the minimal sight lines associated with steel windows, whilst providing superior performance and security

The AluK 58BW ST HI Casement Window offers clean lines and advanced functionality, whether you are working on a new build project or seeking stylish replacements for old windows.

We’re able to combine this with the ultimate in thermal performance achieving U-values as low as 1.1 W/m² K triple-glazed.

AlUK Ltd Logo

Choose from three different options:

from Emplas are available in a choice of chamfered, sculptured or flush casement options.

Heritage

A more ornate design replicating period steel window installations

Chamfered

A simple design with an angled fall away from the glass line

Flat

A cleaner and contemporary design, creating a minimalist contemporary appearance

Why choose the AluK 58BW ST HI

Durable colour

Our aluminium window and door ranges use a special flash-anodising process.

Completed ahead of powder coating this creates a protective anodised layer of aluminium oxide providing a better substrate for powder coating.

It means that our window and door range is supplied in a  finish guaranteed for 10-years. 

Standard Colour Options

Our standard colour ranges include a choice of white, anthracite grey, and black, plus dual colour anthracite grey-on-white and deep black-on-white. 

Special Colour Options

We can also offer you access to a range of textured finish options and supply any RAL colour on special order, giving your customers the flexibility to pick out the perfect shade to compliment their property.

24/7 online ordering

Want to find out more about our energy efficient window and door ranges?

Secured by Design Hardware Fittings

Add the finishing touches

While the classic style and slick functionality of our aluminium windows and doors will really complement your home, we know that security will always be a priority – that is why we aim to achieve Secured by Design certification on our products.

Delivering safety and security doesn’t mean any sacrifice to style and function though. We complement our ranges with hardware fittings that as well as operating efficiently remain tactile and pleasurable to use, and of course, beautiful to behold.

Every element of our hardware is impeccably designed, engineered and undergoes rigorous testing that includes lifetime use simulation.

That means fine, robust engineering allied to sleek, understated style. Under the surface, the rollers, bogeys, seals and brushes, contribute to smooth, efficient operation while the handles, locks and hinges integrate seamlessly with styles and colours to contrast with or precisely match your chosen application.

AluK door and window manufacture and supply

We also supply the Unifold HI aluminium bi-folding doors, plus a complete range of AluK aluminium windows.

Modern aluminium windows offer numerous advantages that make them an excellent choice for a variety of trade projects. They are well known for their strength and durability, providing long-lasting performance with minimal maintenance. Aluminium is naturally resistant to corrosion and weathering, ensuring that windows remain functional and visually pleasing over time.

Our aluminium windows are designed with security in mind, featuring robust locking systems and sturdy frames that enhance the security of any building. Additionally, they feature thermal break technology and advanced glazing options to help make them more energy-efficient and reduce energy costs for your customers.

Customisation is a key feature of our modern aluminium windows. We offer a wide range of finishes, colours, and glazing options, allowing you to meet specific design and performance requirements. The slim profiles of aluminium windows also allow for larger glass areas, maximising natural light and offering the modern aesthetic.

Installation of our aluminium windows is straightforward, which can help to streamline your workflow on site. For more detailed specifications, pricing, or to discuss custom solutions, please contact our sales team.

Aluminium casement windows offer a range of advantages that make them a popular choice for modern homes and commercial properties. One of the primary benefits is their exceptional strength and durability. Aluminium, being a robust material, allows for slimmer frames compared to other window materials such as uPVC or wood. This means that aluminium casement windows can accommodate larger glass panels, providing a sleek, contemporary look and maximising natural light in any room. Additionally, aluminium is resistant to rust, corrosion, and weathering, ensuring that the windows maintain their structural integrity and appearance over time, even in harsher environmental conditions.

Another significant advantage of aluminium casement windows is their low maintenance requirements. Unlike wooden frames, which may need regular painting or staining to prevent decay, aluminium frames require minimal upkeep. A simple routine of cleaning with soap and water is usually sufficient to keep them looking great. Aluminium casement windows also offer excellent thermal performance, especially when combined with double glazing or triple glazing. Advanced thermal break technology helps to reduce heat transfer, enhancing the energy efficiency of a building and contributing to lower heating and cooling costs. Moreover, aluminium is highly recyclable, making it an environmentally friendly choice that supports sustainable building practices. Available in standard or flush casement formats with a wide range of colours available, Aluminium casement windows can be tailored to suit any architectural design, adding both functional and aesthetic value to any property.

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