PU Injection Grouting – Shakura Construction & Engineering provides effective leak sealing for cracks, joints, and concrete structures. Our high-pressure PU grouting stops water infiltration instantly and ensures long-lasting protection. Contact Shakura Construction & Engineering Pte. Ltd., Blk 942 #04-453 Jurong West St. 91 Singapore 640942. Call +65 9647 2701 or email enquiry@shakur... https://shakuraconstruction.sg/services/pu-injection-grouting/