Re: How do you fix hairline cracks in gelcoat
Gotta grind them out one at a time, tape off the area, use a toothpick to apply gelcoat to the gaps, and sand flush with the existing surface. Lots of time . . . but I agree with GMC . . . something isn't right there. If you've got larger cracks or voids thicken the gelcoat with cabosil.
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1971 222 Hiliner
1973 23 Seacraft Center Console
1973 23 Seacraft Sceptre
1971 25 Seacraft Seafari
1972 28 Cary
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