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Old 07-29-2011, 06:58 AM   #16
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Best Primer For Aluminum Siding?


Mike, I have a small area of al siding coming up. It's old and seriously weathered. I'm planning to prime whether it's bare or not. It's hard to tell from the ground. What primer do you like for that job? I see HPNY likes DTM.

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Old 07-29-2011, 09:44 AM   #17
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Best Primer For Aluminum Siding?


1 - Pressure wash or clean well any surfaces to be painted.
2 - Depending on what method of application you are using, protect for over-spray or spills with drop cloths, tape and plastic.
3 - Apply primer to bare aluminum areas as needed, I've had good results with both latex and oil primer.
4 - Apply two coats of acrylic paint preferably by spraying. I'd add Emulsa-Bond in the first coat for better adhesion.

If you need more details read this post: how to paint aluminum siding
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Old 07-29-2011, 09:57 AM   #18
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Best Primer For Aluminum Siding?


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Originally Posted by jsheridan View Post
Mike, I have a small area of al siding coming up. It's old and seriously weathered. I'm planning to prime whether it's bare or not. It's hard to tell from the ground. What primer do you like for that job? I see HPNY likes DTM.
http://www.paintdocs.com/webmsds/web...E&prodno=B71Y1

this is the product that we use over aluminum and galanized metals. surface prep should be a power wash followed by SSPC-SP1 solvent cleaning with a non-hydrocarbon solvent such a laquer thinner over bare metal before applying.this is an etching primer used for a tie coat to allow several different top coats to be applied over aluminum that normally wouldnt bond and is extremely flexible. you may not like it because it is a low VOC product SW does have some products that they claim will work directly over aluminum without an etching primer but i tend to stick with tried and proven methods. i prefer paints that are full of "dangerous" chemicals and lead too but they are getting harder to find these days.

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