Join Date: Jan 2012
Location: British Columbia
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Re: Steel vs Fiberglass
If you have a thick buildup of epoxy which is giving you no problem, except for the odd chip, leave it and clean and touch up the chips. If it aint broke , dont fix it. ( the government version is "If it aint broke, fix it till it is broke") If you want smooth, fill in the chips and dings, and fair the top of the buildup . Blasting a good paint buildup would be a huge mistake.
If you can see the weld pattern in the paint, it is not thick enough. Smooth can mean a careful build up, or can mean not enough paint. The thicker the paint, the greater the odds of it getting rougher.Let it get rough, and smooth it after you get a good buildup.
Gel coat on plastic boats is not exactly thin.