When water starts penetrating concrete surfaces, PU injection grouting offers a reliable solution. The polyurethane resin expands upon contact with moisture, sealing cracks instantly and preventing further leakage. PU injection grouting is commonly used for retaining walls, car parks, lift pits, and foundations. Its strong bonding capability and long-lasting waterproofing performance ... https://shakuraconstruction.sg/services/pu-injection-grouting/