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  #1  
Old 09-17-2008
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Paint for boom blisters

I have a few small areas of blistering on my aluminum painted boom. I plan on sanding the aluminum down to bare metal and refastening any bits and pieces with plastic washers. What I would like some advice on is what coatings to put on the bare metal to bring the surface back to match the rest of the boom.
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Marcvet
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Old 09-17-2008
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You could fair the surface with thickened epoxy and then paint over it after sanding it.
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Quote:
Originally Posted by sailingdog View Post
You could fair the surface with thickened epoxy and then paint over it after sanding it.
How well will epoxy stick to aluminium?!?

..I'd have thought any tiny amount of oxide under the edges would cause it to just crack off.

Cameron
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Old 09-18-2008
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You should use something like Lanocote on the threads of the stainless steel screws that are penetrating the aluminum mast. Unless you have major structural issues in the blistered areas, I'd sand the hell out of it and call it good. Coat the mast with some decent paint and the pitted areas will be virtually invisible. It's not like this paint job is going to last forever.
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