Rinse the RV with clean water to remove large dirt and debris.
Combine water and oxygenated bleach according to package instructions. Purchase oxygenated bleach at the hardware or grocery store. Scrub the outside of the RV with the solution and a scrub brush. Rinse the RV with clean water.
Scrub the RV's surface with degreasing cleaner. Remove all chemicals from the surface. Rinse with clean water.
Pour scouring powder onto a scrub sponge. While the RV is wet, rub the sponge and powder over the surface of the RV in a circular motion. This process will scuff the finish and allow the clear coat to sink in. Rinse the RV thoroughly.
Pour rubbing alcohol onto a clean rag. Rub the RV's surface with the alcohol to remove any remaining residue.
Dip a clean paintbrush into the clear coat. Paint the surface of the RV with a light, even stroke. Apply two to three thin coats of clear coat. Allow each coat to dry to the touch before applying the next.
