Cover the area with plastic wrap to prevent the fast etch from evaporating before it can work.
How to fix pitted sheet metal.
Remove the worst of the rust from the affected area then wipe with a cloth to judge your progress before attacking the deep pitting in the metal.
The cleanest metal in town.
Power brush the rusted areas with the wire brush on the power drill to remove the loose rust and flakes from the sheet.
Be careful not to push down too hard.
Sand the area with a coarse grit sand paper using a circular motion.
Grind lightly over the pitted area of the metal.
The sand paper can be held in your hand for smaller.
Wipe the sanding dust off the metal with a rag.
In order to properly treat fill and prep the fender just follow these easy steps.
Grind down heavily rusted metal spots faster with a wire wheel and a drill or angle grinder.
Fast etch eats into the rust dissolving it and leaving clean metal behind.
Wrap a sheet of 80 grit sandpaper around a sanding block and sand the pitted area aggressively.
Scrub the metal with a wire brush to remove rust particles from inside the pits and wipe off the particles with a.
You can use a power.
Step 3 continue until you ve cleared the area of rust then switch to a 120 grit disc.