Alutech Bi-Folding Doors

ALT BF73 bi-folding door system offers a modern and exclusive glazing solution for residential and commercial spaces, providing panoramic visibility, user comfort, and high energy efficiency. Ideal for terrace exits, showrooms, conference halls, and more, these doors create a seamless connection between interior and exterior spaces, enhancing illumination and saving space while ensuring security and thermal insulation.

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Key Points

1. ALT BF73 is a modern and exclusive bi-folding door system for glazing premises.
2. It offers panoramic visibility, maximum user comfort, and high energy efficiency with burglar resistance.
3. Suitable for both residential and commercial buildings, including terrace exits, showrooms, and conference halls.
4. The system provides a seamless connection between interior and exterior spaces.
5. Available in outward and inward opening types, allowing for versatile design options.
6. One of the doors can be used as the main leaf, providing flexibility in creating various structures.
7. BF73 offers thermal insulation, high burglar protection, improved illumination, and space-saving benefits.
8. Ideal for replacing walls, the system enhances the overall aesthetics of the premises.

Technical Specs

SYSTEM PERFORMANCE
Soundproofing – Up to 36 dB
U – value
EN ISO 10077 -2 -2017 – 1.4 – 1.7 W/m2K
Air Permeabiltiy – Class C4
EN 12207 – 600 Pa
Water Permeabilty – Class 9A
EN 12208 – 600 Pa
Bulgar resistance
PAS24:2016

SYSTEM TECHNICAL CHARACTERISTICS
Frame width – 73mm
Sash width – 73mm
Glass possibilities – 28 – 44mm
Quanitity of sashes in one door – 2 – 14 pcs.
Maximum sash weight -120kg
Maximum sash height – 3000mm
Maximum sash width – 1200mm

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