uPVC-aluminium windows

Internorm uPVC-aluminium windows combine the outstanding thermal performance of uPVC with the durability and contemporary appearance of aluminium. Designed and manufactured in Austria, these premium composite windows offer exceptional energy efficiency, security and design flexibility, making them an ideal choice for self-build, renovation, , and modern architectural projects.

The Best of Both Materials
Combining an insulating uPVC core with a robust powder-coated aluminium exterior, Internorm composite windows deliver lasting performance with minimal maintenance. The weather-resistant aluminium cladding protects the window from the elements while offering an extensive choice of colours and finishes to complement any architectural style - from timeless neutral tones to contemporary greys and metallic finishes.
Every window is manufactured to your exact requirements, with a choice of sizes, opening styles, handles, security options, integrated shading and fly screens, creating a bespoke solution for your home that will perform and last for decades.

Innovative Technology. Outstanding Comfort.
Internorm triple-glazed uPVC-aluminium windows are engineered to deliver exceptional thermal insulation, impressive sound reduction and advanced security. With U-values as low as 0.62 W/(m²K) and noise reduction of up to 48 dB, they create quieter, more comfortable and energy-efficient living spaces.
Selected models, including the KF 510 and KF 520, feature the patented locking system as standard, providing one of the most advanced window security systems available and outstanding protection against forced entry.

Made to Measure. Made in Austria.
Every Internorm uPVC-aluminium window is manufactured to order at our state-of-the-art production facilities in Austria, ensuring exceptional precision, quality and long-term reliability. Whether you require fixed glazing, tilt & turn windows, or expansive , every product is engineered to deliver the perfect combination of premium design, innovative technology and outstanding performance, making uPVC-aluminium windows and doors also ideal for and EnerPHit projects.
Also available with accessible , uPVC-aluminium windows and doors can easily combined with our to suit your interior design, without loosing the uniform appearance externally.

Square-edged or flush sashes of studio windows fit perfectly to the clear structures of your interior design. Straight-lined window handles with flat handle cover plates underlined the minimalist appearance.

studio windows are reduced to the basics. The simple, flush window frames become the design elements and emphasise the extraordinary architecture.