Planning to convert an old bathroom into a "man cave." I've removed tiles and tile adhesive as much as possible but haven't ground the walls and would prefer to avoid that.

As you can see, the water is shut off and the drain plugged according to "tips." Filled gaps with foam that the "builder" had made for water pipes (we realized he liked to embed pipes in walls and floors).

I'd like to fix the wall so it matches the existing upper part, about 2-4 mm.

No new water lines will be run, and I plan to leave all pipes as untouched as possible.

What options do I have to solve this?
Renovation gypsum?
Widespread spackling?
Attach studs to all the walls and put drywall on them?
Another method?

How much prep work should I do before starting? Is grinding the only option? It's relatively flat right now.

I've probably forgotten many necessary answers to upcoming questions, but we'll address them as they arise.
 
  • Old bathroom wall with removed tiles, visible foam-filled holes, and no water or plumbing fixtures; part of a renovation project to create a "man cave.
  • Old bathroom wall with removed tiles, exposed pipes, plugged drain, and an old radiator. A mask hangs by a window, highlighting ongoing renovation work.
  • Exposed concrete bathroom wall with removed tiles, next to an old radiator. Surface has uneven texture and signs of previous tile adhesive.
  • Old bathroom under renovation with tiles removed, plaster and pipes visible. Hole in floor plugged with foam, walls uneven, ready for further renovation work.
It looks dry and fine, great! I would have slightly softened the sharp edge and then applied regular plaster mix B.
 
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C Carl Johansson said:
It looks dry and nice, good! I would have taken down the sharp edge a bit and then gone on with regular plaster B.
Phew! Thanks, I'll have to try it during the vacation then :)
 
Alright, I have finally got it under control! The walls aren't exactly smooth, but that's not something I'm concerned about, and not everything is painted. It's enough for my purpose 🙂
 
  • A newly leveled floor with some uneven walls, partially painted; a bucket and trowel are visible on red tiles.
  • Unfinished room corner with rough plastered walls, a radiator, exposed pipes, and partially tiled and rough flooring.
  • Uneven plastered walls, partially painted, with a red tiled floor and plumbing hole in an under-construction room.
  • A partially painted room corner with a radiator, rough walls, and exposed pipes, showing an ongoing renovation.
  • Unfinished plaster walls in a room, with tools and debris on the floor, showing a DIY project in progress with visible patchwork.
  • Unfinished basement renovation with rough walls, pipes, radiator, and patchy paint; tools and materials on the floor.
J
A tip is to only use diffusion-open and moisture-resistant materials. If you use gipsbruk and wall putty and then paint with plastic paint, the moisture coming from outside typically causes the paint to peel...
 
J JohanLun said:
One tip is to only use diffusion-open and moisture-resistant materials. If you use gypsum plaster and wall filler and then paint with plastic paint, incoming moisture from outside usually causes the paint to peel...
A little late now I guess.. 😬 But well, it will be what it will be
 
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