Ground water infiltrating a sewer pipe was sealed off using the polyurethane grout, SealGuard II. A 5/8” hole was drilled near the leak site to accommodate the static mixer. Burlap and wedges were used to keep the grout from washing out before it had a chance to react.
More information:
sealguardinc.com (grout & products)
sub-technical.com ( grouting contractor)
