Paint over Rusty Metal Primer?


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Old 05-22-07, 12:17 PM
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Paint over Rusty Metal Primer?

I have a little metal hatch door (leads to the chimney?) on the outside of my old house that was rusting under the exterior paint. I scraped it off, wire brushed, and cleaned it and painted it with two coats of Rustoleum 'Rusty Metal Primer', which I believe is oil based and it is rust colored. Now I need to paint it the same beige color as the house, but I was wondering if I should cover this dark primer with some white primer first. I have a can of Killz latex leftover from another project.
 
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Old 05-22-07, 12:26 PM
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It would be best to go to the paint store and get a quart of oil base paint tinted to your house color and paint the clean out door with it. Not a good idea to use latex on the door.
 
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Old 05-22-07, 12:29 PM
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I agree...that would be the best method
 
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Old 05-22-07, 01:58 PM
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I guess I should have come here first. I already had a can tinted of Olympic Premium 100% Acryllic Exterior Latex Satin. There are some areas of the stucco that needed touch up as well. I guess I'll see how long that holds up since I already bought it, and next time I'll get oil based.

So with the exterior latex, would the white primer be good idea?
 
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Old 05-22-07, 02:03 PM
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Oil base paints help to hold back rust, latex doesn't. Once rust comes thru the rusteluom primer it will go thru the latex in short order.
 
 

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