get rid of paint off palsterboard
Scraping. The easiest way to remove old paint, if it is already loosened, peeling or chipped, is with a putty knife, plastic scraper or an oscillating tool with rigid scraper blade. Simply work the flat edge of the tool across the surface of the wall to remove loosened pieces of paint.o create your own chemical stripper, mix 5 parts denatured alcohol, 3 parts mineral spirits and 1 part acetone. This combination of solvents will loosen the paint from the plaster without causing serious damage. Apply and scrape away until all paint is gone.