TightVent Europe has published a list of applicable standards for building and ductwork airtightness. The detailed list can be found here.

The graph below shows ductwork airtightness standards in relation to the design and construction process.

Source: CEN TC156/WG3

Ductwork airtightness standards in relation to the design and construction process (Source: CEN TC156/WG3)
 

Posted in: Ductwork airtightness, Standards