PU injection grouting is the leading non-invasive method for fixing water seepage in Singapore. Instead of hacking away expensive tiles, this technique involves drilling small holes and injecting liquid polyurethane resin into concrete cracks. Upon contact with moisture, the resin expands into a dense foam, filling every void to create a permanent, watertight seal. It is the ideal "no... https://shakuraconstruction.sg/services/pu-injection-grouting/