This European Standard specifies a test method for determiningThe air permeability ofshutters that claim to conform to class 5 of thermal resistance "airtight shutters" according tostandards prEN ISO 10077-1:1999 and prEN 13125:1998, when allocation cannot be givenby geometrical criteria.
EN 12835:2000 history
2000EN 12835:2000 Airtight shutters - Air permeability test