RC flat roofs in Singapore are typically covered with an original waterproofing membrane—be it an asphalt-based sheet or a bitumen coating—which has a finite lifespan, often around 10-15 years. Over time, UV exposure, ponding water, and foot traffic cause these membranes to become brittle, crack, and fail. A high-quality repair contractor will assess whether a spot repair is feasible ... https://kkroofspecialist.com.sg/roof-repair-contractors-singapore/