- 1). Wet the wallpaper with a spray bottle filled with hot water and scrape the wallpaper off the walls with a wallpaper scraper. Once you scrape the walls, sand them with 400-grit sandpaper, then wipe them down with a tack cloth. If you do not have wallpaper, simply sand and wipe the wall.
- 2). Apply a ¼-inch coat of drywall plaster over the surface of the walls with a trowel. Overlap each row of plaster by 50 percent to avoid horizontal or vertical lines in the plaster. Wait 15 minutes before you move on.
- 3). Roll over the surface of the drywall plaster with a lamb's wool roller. Use a light touch. Do not press hard to simply move the plaster around on the wall. A light touch will add texture. When the roller loads up with drywall plaster, replace it with a new roller. Allow at least 24 hours' drying time.
- 4). Apply a single coat of latex primer to the wall. Use a lamb's wool roller. Use a W pattern and overlap each stroke by 50 percent to ensure good coverage. Repeat the process 24 hours later with latex paint.
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