Gelcoat issues

Questions about boat repairs with our resins and fiberglass: hull patches, transoms and stringers, foam, rot etc.
Jaysen
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Re: Gelcoat issues

Post by Jaysen » Tue Apr 17, 2018 1:46 pm

Fuzz wrote:
Tue Apr 17, 2018 1:40 pm
... maybe I just got lucky.
Yeah. I don't buy that.



Fuzz
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Re: Gelcoat issues

Post by Fuzz » Tue Apr 17, 2018 1:51 pm

Jaysen wrote:
Tue Apr 17, 2018 1:46 pm
Fuzz wrote:
Tue Apr 17, 2018 1:40 pm
... maybe I just got lucky.
Yeah. I don't buy that.
I was talking boat building. I was not bragging I got "Lucky" :D

Jaysen
* Bateau Builder *
* Bateau Builder *
Posts: 3241
Joined: Wed Aug 05, 2015 7:59 am
Location: St Helena Island, SC

Re: Gelcoat issues

Post by Jaysen » Tue Apr 17, 2018 1:54 pm

Fuzz wrote:
Tue Apr 17, 2018 1:51 pm
Jaysen wrote:
Tue Apr 17, 2018 1:46 pm
Fuzz wrote:
Tue Apr 17, 2018 1:40 pm
... maybe I just got lucky.
Yeah. I don't buy that.
I was talking boat building. I was not bragging I got "Lucky" :D
I never mentioned any context. You taking it there... well that's all you.

:P

We have way too much fun around here.

Mheltun
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Location: MI

Re: Gelcoat issues

Post by Mheltun » Tue Apr 17, 2018 2:31 pm

Haha. Well, lessons learned. In hindsight I would have used a poly resin knowing what I do now. The repairs are small and non structural. I’ll try some of the suggestion I’ve gotten and if it’s still giving me fits I can always grind it out and redo. Not the ideal scenario but I’m confident I can make it work considering some of the gel did harden over some of the repairs. I sure appreciate everyone’s help. 👍🏻

Mheltun
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Location: MI

Re: Gelcoat issues

Post by Mheltun » Wed Apr 18, 2018 12:42 pm

Update : I prepared two tests today on two of the small repairs. Test 1 was a re prep ; scrubbing and cleaning the repair with water to remove any blush. It failed and would not cure. Test 2 was another re prep which I wiped with acetone followed by a scrubbing with water and a pre heat on the repair before applying the gelcoat(which I doubled the mek). So far test 2 is a success. No shadow or uncured gel is visible. What still blows my mind is why would gel cure over gel but not over epoxy unless heated?

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