Resolve inter-floor disputes and ceiling drips with professional PU injection grouting. In many high-rise buildings, bathroom leaks occur due to failed waterproofing membranes under the tiles. Instead of a full renovation, PU grouting allows us to treat the leak from the underside (the neighbor's ceiling) or through small injection ports in the tile grout. This targeted approach is hi... https://shakuraconstruction.sg/services/pu-injection-grouting/