The Evolution of Aluminum Bi Folding Doors: A Journey of Innovation and Style

slimline aluminium cortizo bi-folding doors

Aluminum bi folding doors have become a popular choice in modern architecture, offering a seamless connection between indoor and outdoor spaces.

These versatile doors combine functionality, aesthetics, and space-saving benefits. In this blog, we will take a journey through the history of aluminum bi-folding doors, exploring their evolution, features, and the impact they have made on architectural design.

  1. Early Beginnings and Origins
    The concept of bi-folding doors can be traced back to the ancient Roman times, where they were made using timber and basic hinges. However, it was the introduction of aluminum as a building material that revolutionized the design and functionality of these doors. In the mid-20th century, aluminum began to gain popularity in architectural applications due to its lightweight nature, durability, and resistance to corrosion.
  2. Technological Advancements
    During the 1960s and 1970s, advancements in manufacturing techniques allowed for the creation of more efficient and aesthetically pleasing aluminum bi-folding doors. The introduction of thermally broken profiles improved insulation, reducing heat transfer and energy loss. These innovations paved the way for the development of large-scale bi-folding door systems that could span wider openings, allowing for uninterrupted panoramic views.
  3. Design Flexibility and Versatility
    Aluminum bi folding doors offer unparalleled design flexibility, allowing architects and homeowners to create open, light-filled spaces. The slimline frames of aluminum provide maximum glass surface area, enhancing natural light and connecting interior and exterior areas seamlessly. The ability to fold the doors neatly to one side creates a wide opening, eliminating barriers and expanding living spaces. With various configurations available, such as stacking, sliding, or corner folding options, aluminum bi-folding doors can be customized to suit individual preferences and architectural styles.
  4. Enhanced Security and Performance
    Aluminum bi folding doors have undergone significant improvements in terms of security and performance. Multiple locking systems, reinforced profiles, and high-quality hardware ensure robust security measures, providing homeowners with peace of mind. Moreover, advancements in weather sealing technology have made these doors highly weather-resistant, keeping the elements at bay and maintaining thermal efficiency. Modern aluminum profiles also offer excellent durability, requiring minimal maintenance and withstanding the test of time.
  5. Contemporary Trends and Future Outlook
    In recent years, aluminum bi-folding doors have gained immense popularity in residential, trade and commercial construction. The sleek, minimalist aesthetic of aluminum frames complements contemporary architectural designs. As sustainability becomes a key concern, manufacturers such as Cortizo are focusing on incorporating eco-friendly practices by using recycled aluminum and energy-efficient components. With ongoing advancements in technology and design, we can expect to see further improvements in thermal performance, automation options, and integration with smart home systems.


The evolution of aluminum bi-folding doors has transformed the way we perceive and interact with our living spaces. From their humble beginnings to the cutting-edge designs we see today, these doors have become a symbol of innovation, style, and functionality. As the demand for seamless indoor-outdoor connections continues to rise, aluminum bi-folding doors will undoubtedly play a vital role in shaping the architecture of the future.