Gelcoat cracks result from stresses placed on the plastic. They can be caused by dropping a
winch handle or
anchor on the
deck, from heat and cold causing expansion and contraction, or internal movement below the gelcoat (pretty rare). Over time, they get bigger and dirt settles inside, making them more visible. When it gets to the point that it really bugs you, you can always do some stuff to it, but it's a pain, so many folks just live with it. If it was impact or heat/cold, you can always do some gelcoat
repairs which involves matching the color, as best you can, and a bunch of
sanding, etc. If the cracks are pervasive, you can also opt to
paint the hull/cabin with linear
polyurethane paint, a two part product that is very time-consuming and costly to apply correctly.
Linear Mode
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