Changing Specifications

Jack Aluminium’s Technical Manager, Terry Hirons, chatted to Specify & Build about the latest changes in the aluminium market.

How is glazing specification changing as we head into 2026?

Glazing specification is increasingly focused on whole-system performance rather than isolated products. Specifiers now demand clear evidence that systems will perform as intended in real-world applications, particularly in commercial and public-sector projects. Security, thermal efficiency, durability and sustainability are all key drivers. There’s also a greater emphasis on documentation, traceability, and recognised standards to reduce risk and support decision-making.

What are specifiers now expecting from systems houses that they didn’t ask for five years ago?

Specifiers now expect end-to-end system support. This includes not only tested product data, but guidance on system integration, configuration limits, and practical installation advice. Where five years ago a certification mark might have been enough, specifiers now want to know exactly what has been tested, how it performs at scale, and how it will be delivered on site through approved fabricators.

Jack Aluminium has listed all its productson NBS. Why was this important, and what difference is it making?

NBS listing allows systems houses to provide consistent, accessible, and verified data to specifiers, reducing uncertainty in specification. By publishing all products, Jack Aluminium ensures specifiers can quickly access technical information, system limitations, performance values, and configuration options. Supporting more confident, informed decisions and helping fabricators deliver compliant installations.

How is higher-level security accreditation influencing decisions?

Higher-level security accreditation is increasingly influencing specification, particularly in education, healthcare and public-sector buildings where formal risk assessments are standard. TD68 is Jack Aluminium’s dedicated STS202 BR2 aluminium door system, providing a proven alternative to steel while supporting proportionate, evidence-led security. The system’s tested configurations include single and double doors, sidelights, fanlights and large door leaves for high-footfall environments. It also supports a wide range of hardware options, including manual locking and electronic access control.

In addition, TD68 offers flexibility in infill choices, with compatibility for a broad range of glazing specifications, solid panel options and the ability to incorporate louvred sections where ventilation is required, for example in bin stores or service areas, without stepping outside a systemised approach.

Panic exit hardware is a critical consideration in public buildings, and Jack Aluminium is currently testing this to expand approved options. This reflects a wider industry shift: security solutions must combine performance, usability and safe emergency egress, all verified through independent testing.

Where are the biggest risks or pain points in the specification process?

The main risk is over-simplification. Assuming all door leaves or configurations are covered by certification can lead to compliance gaps. These risks can be mitigated through early engagement with a systems house, precise technical guidance, and access to approved fabricator networks. Clear communication about what is tested and how systems integrate on site ensures smoother delivery and fewer errors.

What changes has Jack Aluminium made to support performance, compliance and sustainability?

Jack Aluminium has invested in:

• Independent testing of integrated door and window systems 

• Technical support and training for fabricators and installers so systems are correctly specified and delivered.

• Digital data accessibility, including NBS listings, CAD files, and clear configuration guidance.

• Sustainability initiatives, leveraging aluminium’s durability, recyclability, and long service life.

These investments ensure specifiers and fabricators can design, supply, and install systems confidently while meeting modern performance, compliance, and sustainability expectations.

What does a ‘fit for the future’ aluminium systems house look like?

A fit-for-the-future systems house delivers complete, tested, and supported systems rather than just components. It enables specifiers to design with confidence, reduces risk in specification and installation, and ensures buildings perform reliably over time. It is a trusted partner, not just a supplier.

What advice would you give specifiers for achieving compliance and performance without compromising on design?

Focus on systems, not individual products. Ask which configurations have been independently tested, how performance will be delivered in practice, and how installation will be supported by approved fabricators. By considering security, compliance, usability, and aesthetics together from the start, specifiers can achieve balanced, future-proof designs. Early collaboration is critical. Engaging manufacturers during the specification stage allows potential issues to be addressed before they become problems.

jackaluminium.co.uk