If you are painting a radiator that still works and is ... If there’s no flaking, go over any pitting from heavy rust with coarse-grit sandpaper, such as 40- to 60-grit. Then sand all surfaces ...

Will you paint an old iron radiator white so it matches your ... If there’s no flaking, go over any pitting from heavy rust with coarse-grit sandpaper, such as 40- to 60-grit.