Hi @Roq, You'd want to remove all of the old tile adhesive so there is a flat, clean surface for the waterproofing to bond to. You can use a chise ...

Hi @Roq, Whether your proposed approach would physically last 10 years is hard to predict, but the bigger issue is compliance. As Eric L. mentioned, ...

Hi @Roq I would say 30yrs ago they probably didn't apply any waterproofing membrane and would have replied purely on the masonry itself with possib ...