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Old 05-17-2014, 04:58 PM   #1
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Removing old "Sikaflex" from Gelcoat?

I need to recaulk the flybridge cowling. Someone went nuts with the Sikaflex and I need to tidy it up. Any good ideas on how to remove this without damaging the Gelcoat?

Jim
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Old 05-17-2014, 05:27 PM   #2
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Well it's not easy. I have been doing some of this as well. One thing I found useful was the set of nonmarring scapers I picked up at Harborfreight tools.

4 Piece Nonmarring Scraper Set
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Old 05-17-2014, 07:35 PM   #3
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Sikaflex, the company motto, 'The best of times, the worst of times'.

I live in fear of black Sika!

Good luck.
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Old 05-17-2014, 07:57 PM   #4
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Dosn't it squirm around a bit and disappear like 5200 when a little heat is applied?
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Old 05-17-2014, 08:01 PM   #5
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Good ideas...so a little heat...not as much as removing old cetol from teak. Hmm. I'll try a small spot later. Also good idea on the scrapper. I've found, much to my disappointment that Gelcoat is easily scratched and gouged.

Jim
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Old 05-17-2014, 09:05 PM   #6
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A Fein Multimaster or other vibrating clone with a scraper blade.

Cut a vee out to relieve the tension. Peels pretty good from there.

Works on 3M 5200 as well.
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Old 05-19-2014, 01:56 AM   #7
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I've sometimes used a chisel, CAREFULLY, to cut caulking away.
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