Additional functions / performance characteristics
Thermal insulation UD 1.9 W/ (m²·K)*
Acoustic rating category
With bottom profile with seal 41 dB
With retractable bottom seal 37 dB
Wind load Class C4 – C5
Driving rain leaktightness Class 1A – 7A
Air permeability Class 2 – 4
Operating forces Class 2 – 4
Mechanical strength Class 4
Differential climate behaviour Class 2(d) – 3(e)
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