repainting window lintel

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  #1  
Old 06-21-19, 06:35 PM
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repainting window lintel

I need to repaint the steel window lintels of my windows. They are peeling badly. I am just wondering what is the best way to prep them before I paint? Thanks

Also, if I use a rust paint after prepping, do I need to prime first?
 
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Old 06-21-19, 06:42 PM
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Instead of using paint, I would highly recommend stripping, cleaning, and cold galvanizing them.
 
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Old 06-21-19, 07:25 PM
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By cold galvanizing, do you mean spraying a galvanizing compound on like the one below?

https://www.lowes.ca/spray-paint/rus...B&gclsrc=aw.ds
 
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Old 06-21-19, 07:30 PM
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Yes, there are several kinds... all are high in zinc, which bonds better to steel than ordinary paint.
 
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Old 06-22-19, 02:53 AM
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Most of the lintels I've painted I just cleaned them up [remover rust, flaky paint] applied a coat of oil base primer and then a coat of an oil base finish paint.

I do agree that zinc based coatings are superior for steel.
 
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