What are the basics for getting a good bottom painting on a fiberglass boat?
B.H., via e-mail There isn’t a paint applicator I know who doesn’t live by the dictum that proper results are 90 percent preparation and 10 percent application. Whether you’re doing this yourself or hiring someone, knowing some basic tips will ensure a good job. If you’re going with the same paint that was previously used, there should be no compatibility problem. However, if you’ve chosen to switch, you will have to apply a conversion coat first. If the existing paint is in fairly good shape, first make sure the surface is clean and free of contaminants like loose paint and grease that will lead to adhesion failure. Start by sanding with 80-grit paper, followed by a thorough wipe-down with a solvent recommended by your paint manufacturer to remove residue. Two coats of bottom paint should suffice, but make sure the first coat is thoroughly dry before applying the second. If your bottom paint is in poor condition and needs to be removed, once again sand with 80-grit, then clean the bot
