ALT BF73
BI-FOLDING SYSTEMS
ALT BF73
The ALT BF73 bi-folding door system is a modern, exclusive solution for glazing premises. It combines panoramic visibility with maximum comfort, exceptional energy efficiency, and enhanced burglar resistance.
ALT BF73 system can be used in both residential and commercial buildings: terrace exits, or in show rooms and conference halls in business centers and hotels.
ALT BF73 doors are available in outward and inward opening types. At the same time, there is a design option, in which one of the doors is used as the main leaf without involving other bi-folding structures.
Modifications and
system options
Handle Options: Choose from level or shootbolt handles to match your desired style.
TECHNICAL CHARACTERISTICS
Profile Dimensions
Max sash heightup to 3000 mm
Max sash widthup to 1200 mm
Max sash weightup to 120 kg
Glass Specifications
Glass thickness44 mm
Energy Efficiency
Thermal insulation, Uw1,2 W/m2·K (DSER ‘B’ rating)
Thermal insulation, Uw1,6 W/m2·K (DSER ‘C’ rating)
Comfort & Durability
Air permeability (EN 1026:2000, EN 12207:1999)class 4 (600 Pa)
Water tightness (EN 1027:2000, EN 12208:1999)class 9A (600 Pa)
Wind load resistance (EN 12211:2000, EN 12210:1999)class A3 (1200; 1/150)
Safety
Burglar resistancePAS 24:2016 (class W)