Alitherm 400

Aluminium windows offer strength, durability and are highly resistant to rust and corrosion. Our aluminium windows are a premium product that is maintenance-free and built to last, with the life span of aluminium being measured in decades rather than years.

The Alitherm 400 system blends exceptional quality with industry-leading performance and security, providing a stylish, energy-efficient window solution.

The Alitherm 400 is suitable for residential and commercial properties.

• Thermally broken to provide excellent efficiency with U-values as low as 1.2W/m²K
• Frame depth of 70mm with square or flush profile
• PAS 24:2022 Approved - outstanding security performance
• A large selection of colours to choose from with custom RAL options
• Available in fixed, side hung and top hung configurations.