NBN B 46-201-1974
Asphalt sealing protective layer, building covering (a) Trial method

Standard No.

NBN B 46-201-1974

Release Date

1973

Published By

BE-NBN

Status

Be replaced

Replace By

NBN B 46-201-1991

Latest

NBN B 46-201-1991

NBN B 46-201-1974 history

• 1990 NBN B 46-201-1991 Roof sealing. Trial method
• 1973 NBN B 46-201-1974 Asphalt sealing protective layer, building covering (a) Trial method