The professional joint sealing tape:
  Complies with DIN 18542:2009,
    stress group 2
  Tight to driving rain < 600 PA
  Air tight < 0.1 an
  Temperature resistance – 30 °C
    to + 100 °C, short-term +130 °C
     
     
  Water vapour diffusion
    resistance my < 10
  Building material class B1/B2 – DIN 4102
    dependent upon joint width
  Many test certificates