Removing Heavy Oxidation On A Colored Hull

before3Q: We have a ski boat with a red hull that’s slowly turning pink. I’ve applied wax to it several times, both by hand and with an orbital buffer, and it looks great for a few hours and then looks faded again. What am I doing wrong?

A: Boats with colored hulls must be waxed on a regular basis, about every 6 months and if it’s a black hull, you’ll want to apply wax about every 2 months. But that’s only after you have cut through the oxidation and the only way to do that properly is by using rubbing compound with a variable speed buffer. The rubbing compound has grit or clay in it that will help cut through the oxidation, but only when it’s applied at a high speed and applied evenly. An orbital buffer doesn’t spin fast enough or offer even pressure and you won’t be able to press hard enough with even pressure if you apply it by hand. Using an orbital buffer or your hand to apply rubbing compound will give you splotchy results.

If you haven’t used a buffer before, you’ll want to start with a Makita 9227. This buffer has a slow start so you can ease it onto the gel coat and then kick up the speed as you go. Use a compounding pad to apply the compound and buff it in with.

red-boat-after

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