When you paint metal, it is advisable to prepare the surface prior to starting the actual work. The metal surface needs to be treated first. If the metal that has been exposed to the elements for a long period of time, it has rusted. If this has happened to the metal you want to paint, it is advisable to clean the surface before starting the actual painting work.
There is an easy way to sand metal using sand paper along with other tools. It will permit you to remove the rust easily. You will need a course flat file, sand paper, phosphoric acid and a steel brush.
The first thing you will need to do is scrub the metal quite vigorously with the steel brush. Tackle the large regions of rust first. Then you can work on the smaller rusted areas. acacia wood furniture care You need to apply pressure to eliminate the rust. The next phase in to utilize the file. File the affected flat areas to make them smooth.
After you have finished cleaning the flat surfaces, take sand paper to completely clean the curved areas. Sand paper is easier to use when compared to steel brush. It makes it far easier that you can take away the rust from places that are hard to reach, such as small crevices.
When you have removed the rust from the top, clean the metal with hot water to eliminate all excess debris. Once the metal is completely dry, you should spray phosphoric acid onto the surface of the metal. The phosphoric acid reacts with the metal and creates a coating of oxide.
After the phosphoric acid has dried, you should brush the coating off the surface. Then you need to rinse the metal with warm water again. Make sure all the acid is removed, as it could damage the metal. Once all of the rust is removed, you can paint the metal.