Shakura Construction specializes in professional roof leakage repair using modern injection techniques for concrete roofs. Leaks often stem from shrinkage cracks, poor construction joints, or weathering in humid coastal climates. PU grouting injects low-viscosity polyurethane that reacts and expands to create a foam seal, stopping water even under hydrostatic pressure. Perfect for ter... https://shakuraconstruction.sg/services/roof-leakage-repair/