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Old 10-08-2015, 13:31   #1
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Post mold gel-coat

St Francis builds their hulls without gel-coat, they perform a post mold gel-coat. Is this industry standard, better or worse and who else does this?
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Old 10-08-2015, 13:53   #2
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Post mold gel-coat

Only way I knew it's done is the Gelcoat is sprayed into the mold first, didn't know anyone put on the Gelcoat after the hull comes out of the mold.
I assume there is some advantage of doing it that way?


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Old 10-08-2015, 16:41   #3
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Re: Post mold gel-coat

The only post fabrication gel coat I have ever seen applied was to repair dings and scratches. I won't say you couldn't re-gal coat a boat, but painting it usually much preferred.
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Old 10-08-2015, 16:43   #4
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Re: Post mold gel-coat

I had a deck re-gelled once. So it's definitely possible, but has to be compounded /polished after spraying.
I have no idea why a company wouldn't put it in the mold though...
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Old 10-08-2015, 17:32   #5
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Re: Post mold gel-coat

when . gelcoat is sprayed in the mold and then fiber glass is laminated on top, there is a chemical bond between two. When you gel coat is sprayed on top of the fiberglass there is only a mechanical bond, I believe this is far inferior method. probably epoxy paint would be better
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Old 10-08-2015, 17:34   #6
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Re: Post mold gel-coat

I's totally common in Central America. Comes out beautiful.
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Old 12-08-2015, 18:04   #7
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Re: Post mold gel-coat

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Originally Posted by Guy View Post
I's totally common in Central America. Comes out beautiful.
Yea, the quotes we got to re-gel coat our boat (Herrington Harbor two years ago) was less than painting, the warranty was longer, and they said it's much more durable than paint.
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Old 12-08-2015, 21:04   #8
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Re: Post mold gel-coat

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Originally Posted by EllisElectric View Post
St Francis builds their hulls without gel-coat, they perform a post mold gel-coat. Is this industry standard, better or worse and who else does this?

I did not know that and I owned one. Mine was 2 part polyurethane paint on the hulls and in mold gel-coat everywhere else. When did they start doing it that way?


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