This part of this European Standard specifies a method for determining the leakage of cold and warm smoke from one side of a door assembly to the other under the specified test conditions. The test can be applied to door and shutter assemblies of different types intended for purposes of controlling the passage of smoke in case of fire.
DS/EN 1634-3:2005 history
2006DS/EN 1634-3/AC:2006 Fire resistance tests for door and shutter assemblies - Part 3: Smoke control doors and shutters
2005DS/EN 1634-3:2005 Fire resistance tests for door and shutter assemblies - Part 3: Smoke control doors and shutters