Chemical grouting is
a low cost alternative to complete rehabilitation of
pipelines.
It is the best and most economical method for battling
infiltration of sewer systems. Sewer Technologies can
help eliminate infiltration at joints, laterals, or cracks
using chemical grouting procedures.
Laterals
To repair lateral connections a "lateral packer" is winched
through the sewer line until the packer is lined up with the
infiltrated connection. The end elements on the packer are
inflated at the lateral to 35 psi, and then a Urethane grout
is injected. The chemical grout forms a watertight,
protective gasket on the outside of the pipe,sealing the
infiltrated area.