The image above is from my bath (not sure what the bath material is it feels plastic but if there's a way to check please let me know). I don't have access below my bath so can't see if it's done any harm does this look bad enough to need fixed? If so is there a recommendation on what to use?
I actually first noticed this about 2 years ago and covered it with sealant (the works), I guess it must have sealed OK because Ive never noticed any dampness on the ceiling below, however over time the sealant scrathed off. While it seemed to work ok it looked terrible and I'm wondering if there's anything better?
Thanks