The purpose of this standard is to describe the procedure for the tests provided for in standard NBN 284-01. The number of tests and the complexity of some are necessary to correctly define the requirements to be considered in manufacturing, however it is not planned to systematically submit supplies to all of these.
NBN 284-02-1971 history
1971NBN 284-02-1971 Asphalt waterproofing layer on building roof (a) Test method