Property
Air Leakage Class v1.0
Active
URL: https://opendictionary-ecstest.test-bim.com/organization/25869347-9422-4528-ac1c-65954fa4061d/dictionary/83b40007-fcbf-4120-9133-34ad346b1a12/property/db6f3a90-029e-47d7-8b83-f63560f7e746
GUID: cd02dd73-654e-4663-9e42-d898b0dd348e
Definition
The formal regulatory grading indicating the absolute maximum volume of atmospheric ingress or egress an architectural assembly permits under extreme pressure differentials.
Description
Mandatory for achieving passive-house energy efficiency certifications and preventing uncontrolled thermal losses in building envelopes.
Example
Class 1
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