Honestly, I wouldn't recognise acrylic paint to go on vast areas of bare plaster, unless under finishing paper (guess it's sold as an bullseye alternative - and can often be better) . It'll just be about the finish you want - it maybe a little shiny, no harm though
Painting over plastered ceiling from posts a while back. Getting there.
Entire ceiling will need a coat (hopefully just one). Is there any reason I can't use this across the whole ceiling?
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