https://www.thehandymansdaughter.com/how-to-paint-a-rusty-medicine-cabinet/
there are plenty of spray paints used for metal.
If you don't want to/can't remove it, I would use chalk paint, instead of trying to spray paint it. Try to sand out the rusted spots & then paint it.
I was wondering if you could help me with something -- I have an entirely oak kitchen. I know it's the rage now to paint or gel stain cabinets. I've been considering ... See more
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Would chalk paint look good and wear well or should I use a spray paint?
https://www.thehandymansdaughter.com/how-to-paint-a-rusty-medicine-cabinet/
there are plenty of spray paints used for metal.
If you don't want to/can't remove it, I would use chalk paint, instead of trying to spray paint it. Try to sand out the rusted spots & then paint it.