VIVAPLAST Door and Window System 6400
![Large 6400](/attachments/ckeditor/pictures-data/0000/0038/LARGE-6400.jpg)
- 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 - Rw (C; Ctr) = 31 (-2; -5) dB