Which kind of plaster to use on concrete walls, prior to painting? [solved]
I have a small holiday apartment in Europe that has pre-fabricated concrete walls. The surfaces are relatively smooth but I want to prepare them for painting by applying a skim coat of plaster. Which kind of plaster is the most appropriate for this purpose.
By the way, these are internal walls.
Any top coat plaster should be OK.
It might be worth priming the surface with a diluted PVA solution (5 parts water to 1 part PVA - from memory so double check) to seal it.
Is it possible to just seal the wall, prime it, and then paint (maybe using a thick nap roller) avoiding have to put down any plaster? After you have sealed and primed the wall, a coat (or two) of paint with a thick nap roller might be able to smooth out any small defects in the pre-fabricated wall. And painting is going to be much easier than putting plaster down. (Of course patch any major defects in the wall prior to sealing it.)
How to plaster a wall, a beginners guide. Plastering made easy for the DIY enthusiast.
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