Rust and corrosion are significant enemies that dictate the need for metal-roof-repair on older steel structures. When the protective galvanized or Galvalume coating wears thin, oxidation begins to eat through the panel. If caught early, metal-roof-repair involves wire-brushing the affected area, applying a rust-inhibitive primer, and coating it with a matching metal finish. This stop... https://kkroofspecialist.com.sg/metal-roof-repair/