This European Standani applies to bitumen, plastic and rubber sheets for roof waterproofing and specifiesprocedures for determiningThe watertightness, i.e.The resistance to ponding water or to hydraulic pressureabsorbed by a limited part of the surface, of fadory made products.
EN 1928:2000 history
2000EN 1928:2000 Flexible sheets for waterproofing - Bitumen, plastic and rubber sheets for roof waterproofing - Determination of watertightness