ALT BF73 Bi-Folding Doors

ALT BF73 Bi-folding Doors are designed to create large, transparent openings, providing a modern and stylish solution for both residential and commercial buildings. These doors offer excellent thermal insulation, durability, and ease of use.

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ALT BF73 Bi-Folding Doors

ALT BF73 Bi-Folding Doors are a cutting-edge glazing solution that offers a perfect combination of panoramic visibility, maximum comfort, high energy efficiency, and burglar resistance. These doors are designed to transform any space, whether residential or commercial, into a modern, stylish, and functional environment.

The ALT BF73 system is ideal for various applications, such as terrace exits in homes or showrooms, conference halls in business centers, and hotels. By choosing these bi-folding doors, you can create a seamless connection between indoor and outdoor spaces, allowing for a free flow of natural light and fresh air.

Space-Saving Design

One of the key advantages of ALT BF73 Bi-Folding Doors is their space-saving design. Unlike traditional doors that swing inward or outward, these doors fold and stack neatly to the side, freeing up valuable floor space. This feature makes them perfect for smaller rooms or areas where every square foot counts.

Door TypeSpace Savings
Traditional Hinged Door0%
Sliding Door50%
ALT BF73 Bi-Folding DoorUp to 95%

Versatile Opening Configurations

ALT BF73 Bi-Folding Doors offer a range of opening configurations to suit your specific needs and preferences. They are available in both inward and outward opening types, allowing you to choose the best option based on your space layout and intended use.

Outward OpeningDoors fold and stack outside the room, ideal for maximizing interior space
Inward OpeningDoors fold and stack inside the room, perfect for balconies or patios
Main LeafOne door acts as a primary entry/exit without involving other bi-folding panels

Moreover, the system can be designed with a main leaf configuration, where one of the doors functions as a primary entry/exit without engaging the other bi-folding panels. This flexibility allows for various structure types, adapting to the unique requirements and characteristics of your space.

Enhanced Energy Efficiency and Security

ALT BF73 Bi-Folding Doors not only improve the aesthetics of your space but also contribute to its energy efficiency and security. The thermally insulated profiles and advanced weatherproofing technology help maintain a comfortable indoor temperature, reducing heat transfer and potentially lowering your energy costs.

Thermal InsulationReduces heat transfer, maintains comfortable indoor temperature
WeatherproofingProtects against drafts, water penetration, and extreme weather conditions
Burglar ResistanceEnhances security with robust locking mechanisms and sturdy construction

In addition to their thermal performance, these doors provide a high degree of burglar protection. The robust aluminum profiles, secure locking mechanisms, and optional security accessories ensure that your home or business remains safe and protected.

Improved Natural Light and Ventilation

By replacing a traditional wall with ALT BF73 Bi-Folding Doors, you can significantly improve the natural light and ventilation in your space. The large glass panels allow sunlight to flood the interior, creating a bright and inviting atmosphere that can boost mood and productivity.

Furthermore, when opened, these doors enable fresh air to circulate freely, promoting a healthier and more comfortable indoor environment. This feature is particularly beneficial for spaces like living rooms, dining areas, or offices, where air quality and natural light are essential for well-being.


ALT BF73 Bi-Folding Doors are a modern, exclusive, and high-performance glazing solution that can elevate the functionality, comfort, and style of any residential or commercial space. With their space-saving design, versatile opening configurations, enhanced energy efficiency, improved security, and increased natural light and ventilation, these doors offer a comprehensive package of benefits.

Whether you’re renovating your home, designing a new office, or upgrading a commercial establishment, ALT BF73 Bi-Folding Doors provide a smart and visually appealing solution that seamlessly combines indoor and outdoor living. Embrace the possibilities and transform your space with these cutting-edge bi-folding doors.

Residential Applications

ALT BF73 Bi-Folding Doors are the perfect solution for residential spaces, seamlessly connecting patios, balconies, and gardens to living areas. These doors bring the outdoors in, creating bright, airy, and inviting homes that maximize natural light and ventilation. The sleek, modern design complements various architectural styles, while the smooth operation and high-quality construction ensure long-lasting performance and ease of use. Transform your home with ALT BF73 Bi-Folding Doors and experience the perfect blend of style, functionality, and energy efficiency.

Residential Applications

Commercial Applications

In commercial settings, ALT BF73 Bi-Folding Doors offer a versatile and stylish solution for restaurants, cafes, retail spaces, and office buildings. These doors create flexible, multi-purpose areas that can be easily adapted to suit different needs, such as opening up a dining area to a terrace or partitioning a large meeting room. The extensive glass panels and slim profiles maximize visibility and natural light, creating inviting and productive environments. With their durability, energy efficiency, and modern aesthetics, ALT BF73 Bi-Folding Doors are the ideal choice for businesses looking to make a lasting impression.

Commercial Applications

Customization Options

ALT BF73 Bi-Folding Doors offer a wide range of customization options to suit your unique design requirements. Choose from a variety of colors and finishes, including RAL colors, to match your existing décor or create a striking contrast. The doors can be configured with different threshold options, such as low, standard, or flush thresholds, to meet your accessibility and weatherproofing needs. Additionally, ALT BF73 Bi-Folding Doors are compatible with various accessories, like handles, locks, and screens, allowing you to enhance functionality and security. With these customization options, you can create a bespoke solution that perfectly complements your space.

Customization Options

Transform Your Space with ALT BF73 Bi-Folding Doors

Ready to upgrade your residential or commercial space with the style, performance, and energy efficiency of ALT BF73 Bi-Folding Doors? Our knowledgeable team is here to help you find the perfect solution for your needs. Contact us today for expert advice, customized recommendations, and a hassle-free installation process. Experience the difference ALT BF73 Bi-Folding Doors can make in your home or business.

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