AluK ST Heritage

Heritage Steel-Look Aluminium Windows. Classic aesthetics. Modern performance. Uncompromising quality. 

The AluK 58BW ST window system is designed to recreate the timeless elegance of traditional steel windows while delivering all the benefits of modern aluminium technology. Perfect for heritage properties, renovations, and contemporary homes seeking an industrial or Art Deco-inspired look, the 58BW ST combines authentic styling with exceptional performance.

Why Choose AluK 58BW ST Windows?

With the AluK 58BW ST system, you get the best of both worlds — authentic period styling with cutting-edge thermal efficiency and weather protection. Whether you’re restoring a classic façade or adding character to a contemporary design, these aluminium windows offer lasting beauty, strength, and sustainability.

The AluK 58BW ST brings traditional design into the modern era. It’s the ideal solution for refurbishment projects, listed buildings, or new builds where a vintage, industrial look is desired without compromising on performance.

Key Features of AluK 58BW ST Windows

Superior thermal efficiency

Advanced polyamide thermal break technology provides U-values as low as 1.4 W/m²K, helping you reduce energy costs and carbon footprint.

Slim, modern profiles

Maximize natural light with elegant slim sightlines and minimal frame intrusion.

Flexible design options

Available in casement, tilt-before-turn, and fully reversible configurations to suit any architectural style.

Exceptional durability

Manufactured from high-quality aluminium for long-term performance and low maintenance.

Acoustic and weather performance

Excellent air, water, and wind resistance for comfortable, quiet interiors all year round.

Wide colour range

Choose from a full palette of powder-coated finishes, including dual-colour options to match your interior and exterior design.

Key Features of AluK 58BW ST Windows

Steel-look design

Slim sightlines, distinctive glazing bars, and period-style details that replicate the appearance of classic steel windows.

High thermal efficiency

Advanced polyamide thermal break achieves U-values as low as 1.5 W/m²K, ensuring modern energy performance in heritage settings.

Durable aluminium construction

Lightweight yet strong, providing decades of reliable, low-maintenance performance.

Versatile configurations

Available as top-hung, side-hung, tilt-before-turn, or fixed lights to suit any architectural requirement.

Custom finishes

Choose from an extensive range of RAL powder-coated colours, including dual-colour options and authentic textured finishes for a true steel aesthetic.

Enhanced security

Fully tested to PAS 24 for peace of mind.

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    Frequently Asked Questions

    It is impossible to give a typical cost for Rehau Total 70 windows due to the difference in size, colour and installation type. We are happy to visit, measure and provide a free no obligation quotation.

    Yes, Rehau Total 70 products range requires annual inspection and on average will need their first rub down and re-paint within 5 years of installation. This can vary greatly depending on location, weather conditions,etc.

    If you love the appearance of timber windows but are put off by the costly and laborious maintenance then why not consider our Residence 9 maintenance free uPVC traditional appearance window system.

    At 1st Glass Windows ltd we offer a 5 year insurance backed Guarantee covering labour and materials to our timber product range. This guarantee is subject to maintenance.

    At 1st Glass Windows we pride ourselves on our Aftersales support and industry leading guarantee. With this in mind we serve our local community to ensure our Service Department can maintain our high standards. The areas we cover are mainly Surrey, Kent and Sussex and include Biggin Hill, Caterham, Coulsdon, Croydon, Forestdale, Godstone, Kenley, Lingfield, Oxted, Purley, Riddlesdown, Sanderstead, Selsdon, Tatsfield, Warlingham, Westerham, Whyteleafe.

    Our Guarantee

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