Re Skim Ceiling
Skim coating is the process of applying a very thin covering of joint compound also called mud to smooth out rough wall and ceiling surfaces.
Re skim ceiling. Use a utility knife or a stripping joint knife to remove all the artex stipples high spots that hang down to make plastering simpler and to improve the final finish sand it flat with a 220 grit sanding block. But if you re a remodeler who does only occasional skim coating to fix wrecked walls you know it s a tough skill to master. How to skim coat walls and ceilings.
If you re using an electric sander make sure you are not sanding in one spot too long. A heavy coating will seal the ceiling and give you a surface to work with. After sanding for the second time it s time for the final coat of mud.
How to skim coat walls. Once your first coat is dry you will then sand again. This can involve the application of a single coat of mud to hide minor imperfections or it can involve the use of several coats to build up a smooth finished surface.
That will cause craters to form and you will notice it once the ceiling is painted. This time make sure you sand just enough. In addition skim coating can be done over a small area or it can be done over an entire wall ceiling surface.
Therefore you can start skim coating and repairing all the defects after the cal cote is dry.