Welcome to Studor

  • Leader in drainage ventilation technology

  • Pioneer in the use of active drainage ventilation principles

  • The force behind worldwide Air Admittance Valve (AAV) distribution

  • Developer of the P.A.P.A. (Positive Air Pressure Attenuator)

  • First to combine a siphon and an Air Admittance Valve (AAV)

  • The driver of the Simplified Single Pipe System (SSPS)

  • The creator of the modern Air Admittance Valve (AAV)