Product features
Durable mute components: Bucalu special sliding assembly with stainless steel rails, which are smooth and durable. With special pulley kit, the sliding is more comfortable without vibration.
Special self-developed seal: Bucalu has designed a special sealing device, which greatly improved sealing performance.
Efficient hidden drainage: Systematic drainage design, adapting to hidden drainage system, optimizing drainage performance, and ensuring beautiful products.
Comprehensive safety upgrade: Hidden multipoint lock design makes operation safer and more comfortable to use;
Wall thickness of main profile | 2.2mm |
Opening Sash Weight | ≤300KG |
Waterproof performance GB/T7106: | Normal lower frame Up to Level3 HD100B Up to Level 6 |
Air permeability performance GB/T 7106: | Up to Level 8 |
U value rating GB/T8484: | Uw Up to 2.1W/m²K |
Glass thickness | ≤26mm |
Max size of sash | Width≤2600mm Height≤3000mm |
Acoustic performance GB/T 8485 | Rw up to 35dB |
Wind load resistance performance GB/T7106 | Up to 5000Pa |