This standard defines the method for determining the watertightness of curtain walling, both its fixed and openable parts. It describes how the outside face of the specimen should be subjected to a continuous film of water with a positive static air pressure. NOTE: This standard applies to curtain walling in accordance with WI 00033238.
Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
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