The FB classic casement door and window system combines flexible design with excellent performance, providing a variety of structural depths and profile options to meet diverse building needs. The system design pays attention to details, uses humanized locks and handles, and is both beautiful and practical, making it an ideal choice for residential and commercial buildings.

'- Frame construction depths 46mm (cavity options: 15mm, 22mm, 42mm) and 55mm.
- Glass thickness range 6-33mm, up to 57mm with adjustable profiles.
- Combination of extruded corners and pinned construction for stability and durability.

'- Airtightness, watertightness and wind pressure resistance all meet European standards.
- Excellent sound insulation performance, up to 35dB.

'- The fixed frame and the opening sash have the same structure, simplifying installation and maintenance.
- The profile is multifunctional and symmetrical, and the shedding board and the water storage board adopt the same cross-sectional design.