Re: Who’s responsible for new waterproofing when there wasn’t any before? › Flat Chat Strata Forum › Common Property › Who’s responsible for new waterproofing when there wasn’t any before? › Current Page 16/11/2017 at 8:41 pm #28686 BannedBlocked David Bannerman has a recent article on pre 74 stratas that is worth a read. Not as simple as some may suggest in pre 74. some waterproofing may be lot owners depending on location not sure what effect that has on the act