Addressing rust and corrosion is a specialized aspect of metal-roof-repair that requires precise technical knowledge. If oxidation is caught early, the affected area can be wire-brushed, treated with a rust inhibitor, and coated with a zinc-rich primer. However, if the corrosion has already caused "pinholing" or structural thinning, the section may require a patch or a full panel repl... https://kkroofspecialist.com.sg/metal-roof-repair/