VIVAPLAST Door and Window System 6400

- Overall width - 60 mm

- Four-chamber system

- The glazing can be 24 mm

- Double glass packet

- Heat transfer coefficient - Uf = 1.59 W/m²K

- Water tightness class - 4A

- Wind resistance class - C1

- Load capacity of Class 4 protective devices

- Air permeability - Class 4

- Weighted air noise isolation index - R_w (C; C_tr) = 31 (-2; -5) dB