Longevity meets flexibility with professional PU injection grouting. Unlike traditional cement-based grouts that are rigid and prone to re-cracking, polyurethane remains slightly elastic once cured. This allows the seal to maintain its "watertight" status even during Singapore's thermal expansion and contraction cycles. It is resistant to chemicals and biological growth, ensuring that... https://shakuraconstruction.sg/services/pu-injection-grouting/