For Reinforced Concrete (RC) flat roofs, common in commercial and high-rise residential properties, roof leak repair Singapore often requires specialized waterproofing techniques. Leaks from micro-cracks in the RC slab itself can be sealed using Polyurethane (PU) injection grouting, a highly effective non-invasive method that fills the crack path with a flexible, water-reactive resin.... https://kkroofspecialist.com.sg/roof-leak-repair-singapore/