The initial state of the metal roofing substrate significantly dictates the success of painting metal roofing in Singapore. For factory pre-coated metal (like Colorbond or similar products), the professional preparation involves a light abrasion or chemical cleaning to ‘key’ the surface, ensuring the new paint adheres well to the existing, smooth coating. For aged or weathered metal t... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/