How To Fix Pitted Sheet Metal
Cover the area with plastic wrap to prevent the fast etch from evaporating before it can work.
How to fix pitted sheet metal. Grind down heavily rusted metal spots faster with a wire wheel and a drill or angle grinder. In order to properly treat fill and prep the fender just follow these easy steps. Power brush the rusted areas with the wire brush on the power drill to remove the loose rust and flakes from the sheet. Step 3 continue until you ve cleared the area of rust then switch to a 120 grit disc.
Sand the area with a coarse grit sand paper using a circular motion. The sand paper can be held in your hand for smaller. Grind lightly over the pitted area of the metal. Fast etch eats into the rust dissolving it and leaving clean metal behind.
Apply eastwood fast etch to the area with the rust pits. 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. Scrub the metal with a wire brush to remove rust particles from inside the pits and wipe off the particles with a. Wipe the sanding dust off the metal with a rag.
Wrap a sheet of 80 grit sandpaper around a sanding block and sand the pitted area aggressively. If the area is heavily rusted and pitted and wire brushing by hand is ineffective use a drill with a wire wheel photo 2 and a primer that adheres to rusted surfaces such as krylon rust tough or rust oleum. Be careful not to push down too hard.