If the gutter is badly rusted or has been heavily coated with tar that you can t scrape out spray on a special adhesive primer before applying the tape protecto tek is one brand but you may need to special order it.
How to fix gutter rash.
Cut the tape with a scissors or a razor knife photo 2.
Check the rim if it has a protective coating.
While not a permanent fix you can generally get another season or two out of the gutters as long as the damage isn t extensive by applying a silicone or rubber gutter caulk or sealant.
Begin by sanding the damaged spot with a rough sandpaper of about 220.
How to fix gutter rash on rims one.
Complete guide on how to repair curb rash on a alloy or polished edge rim.
If the rash is not that deep sand the lip down polish it up and respray it with clear coat.
Most modern cars are now sold with polished diamond cut wheels so if you scratch.
Wiping out the coating on the rim.