28 Nov NF – Wooden windows and exterior doors (NF297) – MARQUE NF
Posted at 13:55h
in Doors and windows
Caractéristiques :
- Air permeability A *,
- Watertightness E * (excluding watertightness of hardware),
- Wind resistance V *,
- Shock resistance (for windows with spandrel to secure people against falling),
- Operating force,
- Durability of wood,
- Stability to different climates (for doors)
Organisme certificateur :
FCBA|||