The Başak 77BF is a heavy-duty aluminum folding door system suitable for large commercial and residential entrances requiring wide, unobstructed openings. With a load capacity of 120 kg per panel and a maximum sash height of 3.5 m, the system handles up to 7 panels with bottom-roller operation for smooth and reliable movement. Two design variations and both 45-degree and 90-degree frame configurations allow integration into diverse architectural contexts.

Load capacity: 120 kg per panel. Max sash height: 3.5 m. Max sash width: 1.2 m. Max panels: 7. Roller system: bottom roller. Frame options: 45-degree and 90-degree. Corner connections: press or mechanical. Handle options: simple and lockable.

Bottom roller operation. Press and mechanical corner connection options. SKU 4275.