Gypsum plaster/seems to be the thing when I look around. So you can use it where plaster is missing in the wall or ceiling, or to fill in holes? If I understand correctly.
 
As long as it is not a basement with moisture migration, it should probably work.
 
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marp68
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D Don_Simon said:
As long as it's not a basement with moisture migration, it should probably work
Nah, apartment
 
Then you can mix a smaller amount than the whole bag, as long as the proportions are correct. No, there isn't any pre-mixed.
 
C cpalm said:
You mentioned you had Hornbach nearby. Here you have 25 kg for 189 kr:
[link]
Great. I plan to buy a lot of other things there, so that's probably it.

I started another thread about raising the height of the end of a concrete slab that was under the closet I took down. It's about 100×30×1 cm. Could gypsum plaster be used to raise the level? Soft leveling material and laminate flooring will be laid on the entire floor. Then a refrigerator will be placed in that corner.
 
By the way, is plaster polished then as after puttying? Reading a bit online and getting unsure. It seems to be more difficult to sand once it has hardened and that you have to get it even and good from the start.
 
Davidbagare
M marp68 said:
By the way, is plaster skimmed like after puttying? Reading a bit online makes me uncertain. It seems to be harder to sand when it has set and that you have to get it even and good from the beginning.
Yes, significantly more difficult to sand than putty, so make sure it’s as even as you can when you apply it. It also sets very quickly. It doesn't sink in after drying like putty does.
Regards
 
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Mazdarune
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S

Here you see the principle with gipsbruk.
 
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