Flexible sheets for waterproofing. Bitumen, plastic and rubber sheets for roof waterproofing. Determination of watertightness Ingestion-build-223009 BS EN 13431:2004 presents a

BS EN 13431:2004 presents a framework for self-assessment to determine whether the requirements of this standard have been met

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Flexible sheets for waterproofing. Bitumen, plastic and rubber sheets for roof waterproofing. Determination of watertightness Ingestion-build-223009 BS EN 13431:2004 presents a1 Scope This European Standard applies to bitumen, plastic and rubber sheets for roof waterproofing and specifies procedures for determining the watertightness, i. e. the resistance to ponding water or to hydraulic pressure absorbed by a limited part of the surface, of factory made products. This standard may also be used in other waterproofing areas.