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Preparation of aluminum jon boat hull for "Coat-It"
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<blockquote data-quote="DaleH" data-source="post: 421734" data-attributes="member: 15636"><p>Nope ... good adhesion epoxy requires mechanical removal. Any acid strong enough to weaken the chemical bond would eat through the tin.</p><p></p><p></p><p>Yes, I believe it will. Or let me say it this way, I have never yet run into incompatible epoxy products. Sand/scuff well, as that creates 'gouges & pockets' that epoxy sticks into, which also causes a mechanical bond. </p><p></p><p></p><p><strong>[Other]</strong></p><p>I wouldn't weld such an old boat, use solid rivets and buck them properly. I've posted a few tips/tricks in that regard and if you only needed a handful, I could send you some. Also see the tricks I've posted on using West Systems G-Flex 605 or 650 flexible epoxies, as you might be able to 'weep' some into tiny crevices you can't see by applying the heat gun (to the tin, NEVER the epoxy product) to help make it flow into all cracks, etc. Then coat out entire hull. </p><p></p><p>And yes, epoxy products need protection against UV exposure. Oh and good luck! Tell your BIL for the efforts YOU put into this hull - it is now yours for nada - but he can use it IF he takes care of it. Good luck there, lol.</p><p></p><p><em>Now what the heck is 'flgud' music :?: ?</em></p></blockquote><p></p>
[QUOTE="DaleH, post: 421734, member: 15636"] Nope ... good adhesion epoxy requires mechanical removal. Any acid strong enough to weaken the chemical bond would eat through the tin. Yes, I believe it will. Or let me say it this way, I have never yet run into incompatible epoxy products. Sand/scuff well, as that creates 'gouges & pockets' that epoxy sticks into, which also causes a mechanical bond. [b][Other][/b] I wouldn't weld such an old boat, use solid rivets and buck them properly. I've posted a few tips/tricks in that regard and if you only needed a handful, I could send you some. Also see the tricks I've posted on using West Systems G-Flex 605 or 650 flexible epoxies, as you might be able to 'weep' some into tiny crevices you can't see by applying the heat gun (to the tin, NEVER the epoxy product) to help make it flow into all cracks, etc. Then coat out entire hull. And yes, epoxy products need protection against UV exposure. Oh and good luck! Tell your BIL for the efforts YOU put into this hull - it is now yours for nada - but he can use it IF he takes care of it. Good luck there, lol. [i]Now what the heck is 'flgud' music :?: ?[/i] [/QUOTE]
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Preparation of aluminum jon boat hull for "Coat-It"
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