[quote=charlescarlis]Standard polyester laminating resin is much cheaper and reliably compatible with gel coat as well..there are advantages... Make sure you play with it first, attempting to catalyze it at a given temperature so you can figure out how long you have to work with it...try laminating glass to a piece of wood and see how smooth you can get it, noting when the resin turns to the "green" state (stop before it gets to this gel state), otherwise, messy bad things happen...
I'd personally love to have the option to fix hull with gelcoat, but my hull is already painted. If you do use some type of filler, make sure it's "waterproof" as standard Bondo filler is not; it'll allow water absorption if you have any kind of leak, like a scratch. Dynatron is one that is waterproof and polyester; there are others.[/quote]
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