Property
Air permeability class v1.0
Active
URL: https://opendictionary-ecstest.test-bim.com/organization/25869347-9422-4528-ac1c-65954fa4061d/dictionary/83b40007-fcbf-4120-9133-34ad346b1a12/property/6315434c-24d7-441b-9139-c544a6302685
GUID: 27c6a598-ff80-48a7-9095-ca644fda3e88
Definition
The standardized European classification defining a window or door's absolute resistance to wind-driven atmospheric infiltration.
Description
Essential for specifying facade components in extreme high-altitude or severe coastal weather environments to guarantee occupant comfort.
Example
Class 3
Technical definition
Data type
String
Value list
- Class 1
- Class 2
- Class 3
Usage
Property groups (1)
References
Reference documents (2)
- EN 1026 Air Permeability of Windows and Doors v1.0
- EN 12207 Air Permeability Windows Doors v1.0