90.60 Close of review Dec 2, 2023
CEN
CEN/TC 254 Flexible sheets for waterproofing
European Norm
91.100.50 Binders. Sealing materials
This European Standard specifies a method of exposing test specimens of plastic and rubber sheets for roofing free from all external restraint, to contact with bitumen at an elevated temperature and methods for determining the changes in properties resulting from such exposure.
The methods for determination of changes in properties are specified as follows:
a) changes in mass directly after contact with bitumen;
b) changes in physical properties after contact with bitumen.
PUBLISHED
EN 1548:2007
90.60
Close of review
Dec 2, 2023