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Boat House
Small Paint blisters growing under high end factory paint,
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<blockquote data-quote="Johnny" data-source="post: 436701" data-attributes="member: 13599"><p>first question: what do you mean by - - <strong><em>I believe the boat is iron paint in white</em></strong></p><p></p><p>yep - that is Marine Cancer (welcome to the aluminum world).</p><p></p><p>https://www.totalmateria.com/page.aspx?ID=CheckArticle&site=ktn&NM=187</p><p></p><p>this problem will <em>NOT</em> go away by turning a blind eye or just painting over it.</p><p>now is you time to be an intern of metal and paint restoration.</p><p>sand it all back to clean metal with 80 grit, treat with any kind of neutralizer, etch, prime and paint.</p><p></p><p>what neutralizer you ask ??</p><p>well, in my world - - - I sort of go against the grain of the purists here.</p><p>I start off with vinegar, rinse, another wash of diluted muriatic acid (10% strength)</p><p>baking soda rinse, then for the final etching, Ospho (if you have it on hand).</p><p>zinc chromate prime and paint.</p><p>if the pitted area is unsightly after the cleaning process, you could prime with a chromate primer</p><p>and use some Bondo body filler to bring it smooth, let everything cure thoroughly, prime again and paint.</p><p>following ALL instructions on ALL products you use.</p></blockquote><p></p>
[QUOTE="Johnny, post: 436701, member: 13599"] first question: what do you mean by - - [b][i]I believe the boat is iron paint in white[/i][/b] yep - that is Marine Cancer (welcome to the aluminum world). https://www.totalmateria.com/page.aspx?ID=CheckArticle&site=ktn&NM=187 this problem will [i]NOT[/i] go away by turning a blind eye or just painting over it. now is you time to be an intern of metal and paint restoration. sand it all back to clean metal with 80 grit, treat with any kind of neutralizer, etch, prime and paint. what neutralizer you ask ?? well, in my world - - - I sort of go against the grain of the purists here. I start off with vinegar, rinse, another wash of diluted muriatic acid (10% strength) baking soda rinse, then for the final etching, Ospho (if you have it on hand). zinc chromate prime and paint. if the pitted area is unsightly after the cleaning process, you could prime with a chromate primer and use some Bondo body filler to bring it smooth, let everything cure thoroughly, prime again and paint. following ALL instructions on ALL products you use. [/QUOTE]
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Small Paint blisters growing under high end factory paint,
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