Put on your face mask and rubber gloves.
Soak up as much of the wet paint as you can with paper towels.
Wet the affected area with some water from your garden hose.
Cover the wet area with an abrasive cleaning powder, such as Comet, and let it sit for about 15 minutes.
Scrub the powder on the paint thoroughly.
Rinse the powder and paint away with a garden hose or a pressure washer. Continue to wash and rinse until all of the paint is gone.
Put on your face mask and rubber gloves before beginning.
Scrape off as much of the paint with the scraper as you can.
Soak the rest of the pain with paint thinner for 20 to 30 minutes.
Scrub the paint with a brush and rinse with a garden hose. If the spot is being stubborn, you can use a pressure washer. Continue to scrub and rinse until the stain is completely gone.