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post #9 of Old 06-16-2019
colemj
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Re: Need fiberglass help

Tapering depends on thickness. A thinner section requires a smaller dimensional taper, even though the taper ratio is the same. Usually with thin glass, a sander will work well for tapering.

I don't have any issue with polyester on repairs like that, but the repair is so small that the difference in cost is minimal and the difference in properties isn't a concern. If you need to gelcoat over it, this is still possible with epoxy. Just key it up well before gelcoating because you will be relying on a mechanical bond rather than chemical. I've had good results with gelcoat over epoxy.

Mark

Dolphin 460 Catamaran "Reach"

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