• In this video, This Old House plumbing and heating contractor Richard Trethewey explains how to paint a cast iron radiator.


    1 Have the old paint blasted off the radiator by a professional refinisher.
    2 Wipe the radiator clean of all dust and dirt.
    3 Spray an even coat of primer onto all surfaces of the radiator, including in between the sections.
    4 Once the primer is dry to the touch, spray on an enamel paint topcoat.
    • Difficulty: Easy
      especially when you hire a professional refinisher to remove the old paint

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      1. Spray metal primer

      2. Spray enamel paint