Reinforce your building’s integrity with professional PU grouting. This technique doesn't just block water; it fills the internal honeycomb structure of weakened concrete. The polyurethane remains flexible after curing, allowing it to withstand natural thermal expansion and minor structural movements without cracking. Ideal for retaining walls, lift pits, and balconies, it provides a ... https://shakuraconstruction.sg/services/pu-injection-grouting/