10.99 New project approved May 26, 2026
CEN
CEN/TC 33 Doors, windows, shutters, building hardware and curtain walling
European Norm
The document specifies the method to be used for testing door leaves and doorsets between two different climates.
PUBLISHED
EN 1121:2000
IN_DEVELOPMENT
prEN 1121 rev
10.99
New project approved
May 26, 2026