Then enlarge the sanded area so you ll have space to feather the edges.
How to repair rust on a truck roof.
Follow the directions on the rust remover usually spraying or brushing it onto the rust and letting it sit for a few.
Spray the entire area liberally with the rust inhibitor to stop the spread of any new rust before moving on.
Treat the exposed metal with a rust inhibitor.
The rust should be gone but.
This is a quick summary of how i repaired it by replacing the roof.
With all the rust removed the exposed metal that s left is still susceptible to rusting.
I had rust in the roof of my 1991 dodge ram.
Switch to 120 grit sandpaper to feather the edges of the repair area.
This is more of an encouragement than a how to.
Rust inhibitor tends to dry quickly.
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Mask off the affected area with paint appropriate tape.
Complete the feathering with 220 grit.