Alitherm 400 Aluminium Windows

🏭 Manufactured by GXG Aluminium

GXG Aluminium fabricates Alitherm 400 window systems in its purpose-built Kent facility, tailoring each order to your specifications for performance and design. Systems are:

Built to UK building regulations

Precision manufactured for long-lasting reliability

Assembled with high-quality hardware and finishesPremium Thermal-Break Window System by Smart Systems — Manufactured by GXG Aluminium

Elegant · Efficient · Durable

A high-performance aluminium window solution combining modern design, energy efficiency, and robust security for residential and light commercial buildings.

🧰 Applications

Ideal for:

New build homes & apartments

Refurbishment projects

Schools, offices, and light commercial buildings

Period properties where modern performance meets classic aesthetics

🎨 Finishes & Customisation

Alitherm 400 windows can be:

Powder-coated in hundreds of RAL colours

Custom finished with dual-colour options

Matched with architectural hardware and bespoke glazing choices

Unit 6 & 7 Guardian Ind Est
Pattenden Lane
Marden
Kent
TN129QD

admin@gxgaluminium.co.uk
01622 833353

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Areas We Cover
Kent
London
Surrey
Sussex
Hampshire
Dorset
Somerset
Devon
Buckinghamshire
Essex

GXG Aluminium manufactures premium aluminium systems using profiles from
Smart Systems, delivering high-performance, secure and energy-efficient glazing solutions across Kent and the UK.

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© GXG Aluminium – Trade Aluminium Manufacturer Serving Kent & The South East

GXG is part of Gilham & Gilham Glass. All invoices will be from Gilham & Gilham