Commercial aluminium window systems

Designed for real commercial projects

Great commercial windows must balance performance, durability and design flexibility.

Jack Aluminium develops commercial aluminium window systems that are practical to fabricate, straightforward to install and capable of meeting the performance demands of modern buildings. Our systems support a wide range of configurations, glazing specifications and project requirements, including large window sizes and flexible opening arrangements.

Both TW70 and SW60 systems deliver U-values from 1.2 W/m²K, helping support thermal performance requirements across commercial and residential developments.

As an independent UK aluminium systems house, we work closely with fabricators, installers and specifiers to ensure our aluminium windows for commercial buildings perform as expected — from specification through to installation.

SW60 TruEnergy Windows

SW60 TruEnergy Window

SW60 aluminium window system for residential and commercial projects.

  • Versatile commercial aluminium windows suitable for a wide range of building types
  • U-values from 1.2 W/m²K supporting modern thermal performance standards
  • Independently tested to PAS 24 and Secured by Design
  • Document L compliant window system designed for modern construction requirements
  • Slim aluminium sightlines delivering a clean contemporary design
  • Compatible with the wider Jack Aluminium glazing system range
  • Wide choice of RAL colour finishes with typical 5–7 day delivery
More about SW60
TW70 TruEnergy Windows

TW70 TruEnergy Window

High-performance commercial aluminium window system designed for demanding commercial environments

  • U-values from 1.2 W/m²K supporting Document L compliance
  • Independently tested to PAS 24 and Secured by Design standards
  • Clean architectural aluminium profiles suitable for offices, education and residential developments
  • Compatible with Jack Aluminium doors, curtain walling and glazing systems
  • Available in a wide range of RAL finishes with typical 5–7 day delivery
More about TW70

Our Windows

Clean architectural design and strong thermal performance

Our commercial aluminium window systems combine clean architectural sightlines with strong thermal performance and practical fabrication. Designed as part of a wider aluminium system, they integrate seamlessly with doors, curtain walling and glazing solutions across commercial projects.

Across both TW70 and SW60 systems, products are independently tested to recognised standards including PAS 24 and Secured by Design, while meeting Document L thermal performance requirements for modern buildings.

With responsive technical support, reliable 5–7-day delivery and a wide range of RAL colour finishes, Jack Aluminium helps fabricators and specifiers deliver aluminium windows for commercial buildings with confidence.

TW70 TruEnergy Windows

Why choose Jack Aluminium

Commercial aluminium windows designed to perform

Jack Aluminium commercial window systems are designed to support real construction projects.

Across our TW70 and SW60 systems, windows are independently tested to recognised standards including PAS 24 and Secured by Design, while delivering strong thermal performance with U-values from 1.2 W/m²K.

Together with responsive technical support, reliable lead times and flexible aluminium system compatibility, Jack Aluminium provides glazing solutions that fabricators and specifiers can rely on.

Technical information

Explore our commercial aluminium window systems

For full technical specifications, configuration limits and performance data, download the product information for the TW70 and SW60 commercial aluminium window systems.

Both systems form part of the wider Jack Aluminium range of glazing solutions, designed to integrate with doors, curtain walling and other aluminium systems across commercial buildings.

Download the technical sheets to explore sizes, performance data and specification options in more detail.

Technical documents