When you paint metal, you should prepare the surface before 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. can you paint wood 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 require a training course flat file, sand paper, phosphoric acid and a steel brush.
The first thing you will have to do is scrub the metal quite vigorously with the steel brush. Tackle the large regions of rust first. Then you can work on small rusted areas. It is advisable to apply pressure to eliminate the rust. The next phase in to utilize the file. File the affected flat areas in order to make them smooth.
After you have finished cleaning the flat surfaces, take sand paper to clean the curved areas. Sand paper is simpler to use when compared to steel brush. It creates it far easier so that you can take away the rust from places which are hard to reach, such as small crevices.
After you have removed the rust from the top, clean the metal with tepid to warm water to remove all excess debris. After the metal is completely dry, you should spray phosphoric acid onto the top of metal. The phosphoric acid reacts with the metal and creates a coating of oxide.
Once the phosphoric acid has dried, you will need to brush the coating off the top. Then you have to rinse the metal with warm water again. Make sure all of the acid is removed, as it could damage the metal. Once all the rust is removed, you can paint the metal.