PU injection grouting plays a vital role in repairing water seepage issues without extensive demolition work. By injecting expanding PU resin into cracks and voids, PU injection grouting effectively blocks water pathways and restores waterproofing performance. This technique is commonly applied in roofs, basements, lift pits, and water-retaining structures, ensuring durable protection... https://shakuraconstruction.sg/services/pu-injection-grouting/