The cost of painting a metal roof in Singapore is a function of the roof's complexity, size, level of existing damage (e.g., extent of rust remediation), and the quality of the paint system chosen. On average, a professional job using a high-performance system (primer and two topcoats) can range from SGD $18 to $32 per square meter, with the cost skewed higher for premium silicone or ... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/