UAB Kortenas is a leading producer of high-quality aluminium windows and doors based in Lithuania. With nearly 15 years of experience in the industry, we have successfully supplied our products across Europe, focusing on key markets in Scandinavia, including Sweden, Norway, Iceland, and the Benelux region.

Our commitment to quality is reflected in all our products, which are CE-marked in accordance with EU standards. Our windows are constructed using trusted frameworks from world-renowned manufacturers such as Raynaers, Schüco, Jansen, and Forster. Each product undergoes rigorous testing to ensure it can withstand pressure, wind, water challenges, and other critical factors.

At UAB Kortenas, we specialize in high-quality aluminium and glass solutions, consistently collaborating with industry leaders to meet and exceed your expectations. Our diverse range of products includes: Windows, Doors (Frameless / Aluminium Door Leaf), Bi-fold doors and Sliding Doors, Curtain Wall Systems, Customized and Non-Standard Solutions, Internal Partition Constructions (Frameless Glass and Aluminium Door Leaf).

In line with our growth and commitment to excellence, we have recently expanded our production capabilities to a state-of-the-art facility covering 1,800 square meters. This investment in cutting-edge machinery and technology reinforces our dedication to delivering exceptional products and services tailored to the needs of discerning architects and clients.

With a dedicated team of 18 professionals, including experienced engineers and estimators, we prioritize clear communication and client satisfaction. Our focus on exceeding expectations allows us to craft beautiful and functional products that stand the test of time.

Join us as we continue to innovate and elevate the industry standards for aluminium windows and doors. Let’s explore how UAB Kortenas can add value to your next project.