The process of filling in or finishing with grout; also, the grout thus filled in.
Grouting is the process of filling the gaps between tiles with grout - to ensure a waterproof finish.
filling of the annular space between the host pipe and the carrier pipe. Grouting is also used to fill the space around laterals and between the new pipe and manholes. Other uses of grouting are for localized repairs of defective pipes and ground improvement prior to excavation during new installations.