It is aPre-buried Grouting Pipe SystemSealants for construction joints, cold joints, pipe渗leaks, gaps between ground walls, and other similar areas in concrete. It is very suitable to install grouting pipes between new and old concrete joints. When water seeps into the joints, the leakage can be sealed by injecting grout through PVC ports set on the surface. This method can seal the joints. The appropriate time for grouting can be chosen after the concrete curing process is completed. Leak joints can also be sealed using this method.