Key Features
Enhanced Thermal Efficiency
Achieves U-values as low as 1.4 W/m²K, ensuring excellent energy efficiency and compliance with current regulations.
High Security
Fully PAS 24 certified, providing robust protection against forced entry and ensuring peace of mind.
Versatile Design
Available in flush, standard, and heritage sash styles, as well as tilt & turn options to suit any project.
Quick-Glaze Bead
Innovative bead system reduces installation time, making fitting faster and more efficient.
Durable Aluminium Construction
Strong yet lightweight aluminium frames ensure long-lasting performance with minimal maintenance.
Customisable Finishes
Choose from a full range of RAL colours, stock finishes, and dual-colour options for complete personalisation.
Aluminium and Materials
Alitherm 400 is crafted from premium-grade aluminium, offering outstanding durability, structural integrity, and slim sightlines. The advanced thermal break technology enhances insulation while maintaining the strength and longevity expected from aluminium products.
Quality and Expertise
All Aston aluminium windows are designed and manufactured at our state-of-the-art facility. Using precision engineering and cutting-edge machinery, we create bespoke aluminium windows tailored to your specific requirements. Whether for contemporary or traditional properties, our expertise ensures the perfect solution for your next installation project.
Become An Aston Installer Today
Boost your business by becoming an Aston installer today. Gain access to all our premium aluminium products and offer your customers a smooth and efficient installation service on bespoke aluminium doors and windows.