Corrosion and rust treatment is the next crucial phase for painting metal roofing in Singapore, particularly for older galvanized or steel roofs. The persistent high humidity rapidly accelerates oxidation. Professional contractors systematically identify and treat all rust spots using wire brushes, sandpaper, or power tools to remove loose, flaky material. They then apply specialized ... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/