Steel deck beams – rusting


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

Cause

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

Repair

  • 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