30.97 End of interruption of work - split/merged Apr 2, 1992
CEN
CEN/TC 254 Flexible sheets for waterproofing
European Norm
To specify the characteristics and test methods for thermoplastic and elastomeric sheets used to assure the sealing of : 1. flat or inclined roofs; 2. construction works without permanent hydrostatic pressure; 3. construction works with permanent hydrostatic pressure.
ABANDON
CEN/TC 254 N 104
30.97
End of interruption of work - split/merged
Apr 2, 1992