Painting Aluminum (slightly OT)

Inno · Jun 15, 2011

After seeing the paint job I did on my truck, a friend from up the road asked me if I would be interested in painting his aluminum boat. What products and prep would I use compared to what I used with my truck? I used the Martin Senor Crossfire 2 stage for my truck with very good results.

GordoSD · Jun 15, 2011

I know that US Navy aircraft were primed with zinc chromate before painting.

circus · Jun 16, 2011

Aluminium isn't the problem. Automotive paint doesn't like being submerged in water. I'dd pass, but if your determined, scuff the existing coating and use a marine paint. Prime only the raw spots.

El Toro · Jun 17, 2011

Dupont had a II stage marine paint back in the 70's. My neighbor's next door to me had a sail boat and they bought that paint. They ask me about a painter and I told them to hire the painter I used to spray my cars. I would do the preparation and prime it then he would shoot it. The boat painting turned out well, but the boat owner made a big mistake when he winterize the boat. It had a 4 cylinder Continental engine
used when there was no wind and he didn't drain all the water from the block. He had to buy a short block and it was a big pain to remove the old engine and install the new engine. Hal

Inno · Jun 17, 2011

He only wants the sides done and for the most part they are above water so it might not be an issue. He is aware that boats take a fair amount of abuse so he just wants to freshen it up a bit.

Randyr · Jul 1, 2011

A painter I know uses zinc chromate on all bare metal, including aluminum. He says it sticks better to the metal and then primes with regular primer over that, and then the paint.

Painting Aluminum (slightly OT)

Inno

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GordoSD

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circus

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El Toro

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Inno

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Randyr

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