PU injection grouting in Singapore is a leading non-hacking waterproofing method to stop active water leaks through cracks, joints, voids, or porous concrete in basements, ceilings, bathrooms, walls, roofs, and slabs. Also called polyurethane grouting or PU injection, it involves drilling small holes, inserting packers, and high-pressure injecting expanding hydrophobic PU resin that r... https://shakuraconstruction.sg/services/pu-injection-grouting/