Curtain Walling. Watertightness. Laboratory test under dynamic condition of air pressure and water spray Ingestion-build-135476 testing and marking of electrical

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Curtain Walling. Watertightness. Laboratory test under dynamic condition of air pressure and water spray Ingestion-build-135476 testing and marking of electrical1 Scope This European Standard defines an additional test method which may be used when assessing the watertightness of curtain walling, both its fixed and openable parts. It is a supplementary test, not required for classification purposes, and it should be used only when the project specifier has determined its necessity. This European Standard describes how the outside face of a curtain walling specimen should be subjected to a continuous spray of