Painting Aluminum Flashing

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Old 08-03-18, 11:53 AM
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Painting Aluminum Flashing

The white paint on flashing was coming off by itself. It was very chalky. I scrubbed it with bleach and TSP. Now I have only aluminum. Replacing is not an option. What primers, paints and methods should be used to have a paint that lasts and looks good?
 
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Old 08-03-18, 01:09 PM
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Latex house paint adheres well provided all the chalk has been removed. When it's not - add Flood's EmulsaBond to the first coat of latex to insure adhesion. Aluminum is one of the few substrates where primer is optional.
 
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Old 08-03-18, 02:57 PM
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Would u recommend a roller, brush?
 
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Old 08-04-18, 02:41 AM
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How wide is the flashing? although either would be fine.
 
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Old 08-04-18, 05:36 AM
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You will usually get better adhesion if you use a brush. 2 thin coats are better than one heavy one.
 
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Old 08-04-18, 06:44 AM
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I wouldn't think the application method would make any difference on paint adhesion over aluminum. I spray it when I can - just to get a factory appearance. When it's just small areas I usually use a brush. The main thing is for the aluminum to be chalk free! latex paint doesn't adhere well over chalk.
 
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Old 08-04-18, 07:08 AM
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The flashing is about 10 inches wide right below some decorative copper bay roof.
 
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Old 08-04-18, 09:13 AM
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Roller should be fine, whatever you are comfortable using.
 
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