Property

Air permeability class
v1.0

Active

URL: https://opendictionary-ecstest.test-bim.com/organization/65b777fa-1548-4e9b-bb6a-61e9b0649061/dictionary/982d9869-0f53-4973-a084-181b947ffa95/property/a85494e2-bf9e-41be-946f-87eb0e354885

GUID: bdd859a5-53aa-4e44-8553-e102f1efef37

Definition

Classification of air leakage performance determined by test per EN 1026 and rated per EN 12207

Description

Airtightness classification under EN 12207

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

Publish Your Standards for Free

Are you an industry association or standardization body?
Share your knowledge and contribute to the future of construction. Bring your standard to life not just as a document, but as a tool the whole industry can use.

Become a publisher

© 2026 bimobject. All rights reserved.