PU Injection Grouting – Shakura Construction & Engineering provides fast and effective water leak control by injecting expanding PU resin into cracks and gaps. Our method ensures durable and permanent sealing. Shakura Construction & Engineering Pte. Ltd., Blk 942 #04-453 Jurong West St. 91 Singapore 640942. Reach us at +65 9647 2701 or [email protected] . https://shakuraconstruction.sg/services/pu-injection-grouting/