Ask Dr. Gel – December 2018


Take the Doctor’s Advice

“My boat has gelcoat cracks on the deck and hull. There are also little bumps on the hull below the waterline, some have broken open; can water get into the fiberglass? What should I do?” Carl D. – Malta, NY

The gelcoat on a boat is a polyester based resin; it is a very porous material. It never stops curing; the older it gets the more brittle it becomes. The constant exposure to moisture, dirt and UV sunrays can break it down.

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