Wind Resistance Level 9 (≥5000 Pa = 500 kgf/m²)
Air Tightness Level 8 (-67% to 96% Airflow Leakage)
Water Tightness Level 6 (≥700 Pa)
Thermal Insulation Level 8 (1.5W/ m²k, CRF ≥75)
Acoustic Insulation Level 5 (Sound Reduction 43dB)
Superior German Hardware System
       German Roto Hardware System, HOPPE Handle, TECTUS / TPEO Transmission Rod System