I live in a condo. There are a few areas that I want to fix/re-paint before I put it up on the market. Particularly, one of the bathrooms has pretty bad erosion, and I'm not sure if I need to tear down that wall and drywall it again, or if it can be scrapped clean and repainted. Please review the video I made, and leave your comment on what is the best course of action.
Thought I'd chime in - our master bath has a similar problem and we are going to gut it to the studs and redrywall. I don't think it's something you can just scrape away - it looks to be pretty extensive around the tub. In our bathroom we are faced with two major problems - the drywall isn't the right type to be used in a bathroom and the exhaust fan wasn't powerful enough for the space. We replaced the exhaust fan a couple years ago (cheaper fix than redoing the bathroom) so the moisture problem hasn't gotten worse. Looks like you have the same problem.
I'd rip all of that out, treat the mold growing behind the wall.
Use Densshield drywall.
Caulk with latex caulking where the enclosure meets the enclosure.
Prime and paint two coats of enamel latex paint.
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