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Old 07-26-2011, 08:46 PM   #1
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Paint aluminum siding-first time


I had my 40 yr old white aluminum siding pressure washed today and now I think it needs painted to look good again. There are this graish spots in the finish now. I hope all the chalking is gone. What is the easiest, cheapest way to paint it white again? No sprayer here, only a brush/roller. Would KILZ seal it? Can I leave KILZ as a top coat? I did that on a wooden shed last summer and it still looks good. Does the siding have to be etched? Should I use "emalsa bond" the paint?
Any help is appreciated.

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Old 07-26-2011, 10:03 PM   #2
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Paint aluminum siding-first time


i would use Sherwin Williams DTM wash primer with two coats of of DTM primer/finish. this system is extremely durable and covers very well. the wash primer only needs to be applied at .7 mils dry film thickness, so it will cover over 300 sqft per gallon. SW claims that the DURATION will cover aluminum siding too. ive alway felt that an etching primer is needed to bond to bare aluminum. lots of surface prep is needed to coat aluminum properly.


Last edited by mustangmike3789; 07-26-2011 at 10:10 PM.
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