If you want to clean and improve a surface before painting it, you should consider sandblasting. Sandblasting will use sand or other tiny particles to clean the surface. You can get sandblasting gear from your local hardware store, but you need to be sure you know what you’re doing. There is potential for injury when sandblasting building, so you need to stay safe. Get safety gear and use sandblasting handle correctly as you work. If you are unsure of what you’re doing, make sure you learn before you start. Common sense will help you avoid injuries as much as possible.…