Steel deck beams – rusting

Listed under: Exterior, metal, steel, decks, durability, rust


Exposure to air-borne salt, dust or dirt; trapped moisture and dirt


  • if the beam is sound, sand to remove corrosion; prime with a zinc-rich primer; paint with at least two coats of acrylic paint
  • consult a chartered professional engineer if the corrosion is severe and you wish to replace the beam