Overcoating an existing metal roof with a high-performance elastomeric membrane is a specialized form of painting metal roofing often employed in Singapore for roofs approaching the end of their design life or those with minor pre-existing leaks, as these thick, flexible coatings not only provide an aesthetic refresh and a thermal barrier but also act as a seamless, waterproof membran... https://kkroofspecialist.com.sg/painting-metal-roofing-singapore/