The most popular material for metal-roofing-singapore is often steel coated with a Galvalume alloy (a mixture of zinc, aluminum, and silicon). This sacrificial coating provides superior protection against corrosion compared to standard galvanized steel, crucial for high-humidity and often coastal installations. For projects in highly corrosive areas, such as those right next to the se... https://kkroofspecialist.com.sg/metal-roofing-singapore/