Whichever tool you choose always start with the coarsest abrasive to for how to remove rust from metal and pockmarks.
How to get rid of rust on metal roof.
Removing rust stains from a metal roof.
Get rid of metal roof rust.
Sprinkle salt over the rusted area so that it is thoroughly coated and then juice a lime over.
The water or sand will also remove dirt mildew and flaking paint from the surface.
Instead use a heavy power washer or a light sand blaster to blast away all the loose flaking rust.
Try a lime and salt.
You ll need a fairly concentrated solution of about 1.
To use soak the metal in white.
Step 1 removing the rust.
Next you need to investigate the reason for the rust.
The rust removal process opens up the bare metal surface and it will re rust quickly in the presence of any moisture.
To get into small areas use a mouse sander or an oscillating tool with a carbide rasp or sanding pad attachment for this how to remove rust from a metal project.
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.
Step 2 find the cause of the rust.
The vinegar reacts with the rust to dissolve it off of the metal.