The topcoat is the visible, weather-exposed layer in the process of painting metal roofing in Singapore. It must offer exceptional UV resistance to maintain color stability and high durability against torrential rain and physical impact. High-quality acrylic, polyurethane, or fluoropolymer (e.g., Kynar/PVDF) coatings are often recommended, with fluoropolymers providing the longest ser... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/