Sand the area with a coarse grit sand paper using a circular motion.
How to remove surface rust from sheet metal.
If the metal underneath the paint is rusted you ll need to remove the paint first and then apply a rust removing solution such as vinegar or a commercial rust remover.
After the rust is loose you can scrub it off.
However always remember to be careful and sand slowly to avoid eating into the surface and weakening the material.
There are a number of rust removal products but the simplest is a quick.
Make sure to get as much rust off the surface at this point as possible.
When sanding metal with an orbital machine always start with a coarse sanding disk.
Scrub partially rusted metal areas with a wire brush to remove flakes and powdery surface rust then prime with a rust inhibitive primer.
Light rust surface rust is the easiest to eliminate especially in sheetmetal where excessive pitting has not formed.
Pour vinegar on the rust stain on your clothes and scrub gently with a toothbrush.
However if the rust stains are only affecting the surface of the paint you can probably scrub it off with a cloth and some liquid detergent or a vinegar and baking soda paste.
An 80 grit sanding disk is quite coarse and easily removes all the top layers of the paint rust or scratches.
However badly rusted metal areas need more prep work and possibly a special primer.
In consideration that you would be working on a part of your roof be prepared ahead of time how you plan to deal with matching in the paint with the reset of the roof.
Leave it in the vinegar for an hour.
I am amazed at how many people have not heard of this method before.
Apply a solution of hydrogen peroxide vinegar and salt.
Make sure that the solution is pasty enough to adhere to the surface then spread it onto the metal and let it sit.
The easy and safe way to remove rust at home.
The sand paper can be held in your hand for smaller areas or be attached to a.
Once done you can paint over rust.
Remove any surface rust stains with a scraper of some kind butter knife and shake it off.
Using baking soda is another way to remove rust from metal.
Start with a wire brush photo 1.
You can make a paste by mixing baking soda and water.
The rust removal process opens up the bare metal surface and it will re rust quickly in the presence of any moisture.
Power brush the rusted areas with the wire brush on the power drill to remove the loose rust and flakes from the sheet metal.