ShellGrout PU 2k is a two-component polyurethane grout for sealing water leaks in water tanks and basements. It provides durable sealing, preventing water ingress in wet environments. The grout is ideal for underground structures, ensuring long-term protection. It simplifies application, expanding to fill cracks effectively. ShellGrout PU 2k reduces maintenance costs, offering robust performance. Its versatile formulation suits critical waterproofing applications.