While not strictly the roof itself, the integrity of the roof's drainage system—the gutters, downpipes, and drainage outlets—is absolutely essential to the long-term watertight performance of the roof, and addressing any failures here is a core service provided by thorough roof repair contractors Singapore. Blocked or damaged gutters and downpipes can cause water to back up onto the r... https://kkroofspecialist.com.sg/roof-repair-contractors-singapore/