The GEALAN-KUBUS® system presents a revolutionary form concept for uPVC windows in architecture. More light and open space thanks to larger glass surfaces open up new freedom of action. Thanks to the fully concealed sash, the distinction between the interior of the room and the view from the window is blurred. The overall harmonious impression of integrity and clarity of form is created by the single plane between frame and sash. Whether for new construction or renovation, GEALAN-KUBUS impresses with its versatility as a complete system platform comprising windows and sliding doors.
IKD – Excellent thermal insulation performance thanks to IKD® – a technology for filling the inner chamber with a thermal insulator, which has excellent thermal insulation properties and is suitable for passive houses.
Thanks to the possibility of installing large thickness double-glazed windows (with three panes of glass), this profile provides exceptional sound insulation. It effectively blocks external noise, creating a quieter and more peaceful indoor environment, which is particularly useful in urban areas.
GEALAN-LINEAR profile, made from high quality materials, is designed to withstand the rigors of daily use and harsh weather conditions without sacrificing performance. Its resistance to fading, warping and cracking ensures a long, maintenance-free life.
Outstanding heat insulation thanks to foam-filled profile chambers.
Integrated galvanized steel reinforcement in the window profile for better static and wind load resistance and increased burglary resistance.
Thanks to the fully concealed sash, the distinction between the interior of the room and the view from the window is blurred. It creates an overall harmonious impression of integrity and clarity of forms due to a single plane between the frame and the sash.
Burglary resistance – up to RC class 2.
production waste and profiles are recycled, protecting the natural environment.
The narrow, minimally visible part of the frame and sash meets modern architectural requirements small frame and sash widths provide more light in buildings








GEALAN-KUBUS is an innovative solution in the world of window and door systems. This product not only has a modern design but is also of the highest quality, making it one of the best in the market. Let’s take a closer look at the advantages and features of GEALAN KUBUS.
An innovative solution for your home
GEALAN-KUBUS represents modern window designs that are not only aesthetically attractive, but also provide reliable protection from external influences. Using advanced technology and high-quality materials, these windows and doors will become a reliable addition to your home.
GEALAN-KUBUS offers the best combination of price and quality on the market. You get high-tech window and door systems at an affordable price, making them an excellent choice for those who value durability and style.
GEALAN-KUBUS has already gained popularity among residents of the WA state in the USA. Washingtonians value quality and innovation, which is why they choose GEALAN-KUBUS for their homes. Don’t miss the opportunity to update your home with the best new products from GEALAN!
Benefits of using GEALAN-KUBUS
- Strength and reliability: GEALAN-KUBUS offers strong and durable window and door structures that will serve you for many years.
- Strict and modern design: Compact and stylish GEALAN-KUBUS window profiles will give your home a modern look and a cozy atmosphere.
- High energy efficiency: GEALAN-KUBUS double-glazed windows have excellent thermal insulation properties, which will help save on heating costs and create a comfortable indoor climate.
KUBUS is a completely new look at architectural solutions in the field of window structures. Its modern lines and elegant style add sophistication and sophistication to the building’s façade. Every detail is thought out to the smallest detail, which makes GEALAN-KUBUS truly unique.
GEALAN products have always been famous for their quality, and KUBUS was no exception. Using only the best materials and advanced production technologies, GEALAN creates window systems that are durable and reliable.
GEALAN-KUBUS provides excellent thermal and sound insulation thanks to the unique design of double-glazed windows. This allows you to create a comfortable indoor microclimate and maintain peace from external noise.
For all its innovation and quality, GEALAN-KUBUS remains accessible to a wide range of consumers. High technologies are now available at competitive prices.
GEALAN-KUBUS is the best choice for those who value quality, modern design and affordability. A new look at the world of window systems, presented by the largest manufacturer of window profiles in Germany, is now available to you. Buy GEALAN-KUBUS and appreciate all its advantages.
GEALAN-KUBUS is the best choice for those who value quality, style and functionality. Buy KUBUS GEALAN and see its superiority!