This video shows how grouting and lining work together to prevent Inflow & Infiltration (I&I).
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View how to seal a mainline joint between two manholes.
View a grouted sand/soil demo outside a lateral/mainline sewer connection after being sealed with chemical grout.
Helmet Cam from Avanti's Field Service Manager - Charlie Lerman - of HDPE pipe joint grouting with AV-315 Microfoam.