Burglar-proof class: Class 4
Sound insulation: 42 dB and 43 dB
Air permeability: Class 2 or 4 (with threshold)
Water tightness: npd or 7A (with threshold)
Resistance to the wind: Class 5C
Thermal transmittance: up to 1.2 W / m2K.
There are many possible finishes because each door is designed "to measure" by structure, characteristics and dimensions.