Different types of metal roofs—such as aluminum, galvanized steel, or Zincalume—require specific preparatory steps and compatible primers within the process. A skilled contractor understands these metallurgical differences and selects the appropriate primer system to ensure maximum chemical bonding between the metal surface and the topcoat, which is vital for the entire project's su... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/