DS EN 1928:2000
DS EN 1928:2000 Flexible Sheets For Waterproofing - Bitumen, Plastic And Rubber Sheets For Roof Waterproofing - Determination Of Watertightness Defines 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. Pertains to bi