I'm trying to prep my interior walls so when the drywallers come, they can add a single layer of skim coat and re-texture everything (the current texture is really uneven and ugly).
The walls have a thick layer of high gloss paint on them that doesn't seem like it was properly applied. I say this because when I took the trim off all of the windows and doors, in many places the paint would peel off in big, plasticy/stretchy pieces leaving the (badly) white textured surface below.
The drywaller guy said they usually use TSP to roughen it up but that if I were to do a light sanding it would come out much better. I'm also worried that if they just TSP it, it will still easily peel off in places. I have a big 6" disc sander that I was going to use but it seems like it might get clogged up on this plasticy glossy paint. What would be the proper way to prepare the walls for a light skim coat and retexture?