Responsibilities. Preparing surfaces: Sanding, scraping, or peeling old surfaces, and leveling surfaces. Removing old paint: Using a sandblaster or other tools to remove old paint. Mixing paint: Mixing paint colors and solutions. Applying paint: Using rollers, spray guns, or other tools to apply paint, stain, or seal surfaces. Protecting surfaces: Protecting floors, furniture, and other parts of the structure that don't need paint. Cleaning: Clea...