Lateral Connection Repair


Method for the Sectional Renovation of Lateral Junctions and Pipes in the Main Sewer Line

Main pipe: DN 130 to DN 600
Lateral pipe: DN 100, 125, 150 and 200 at 30° to 90°

General Technical Approvals of
Deutsches Institut für Bautechnik
No. Z-42.3-375 / No. Z-42.3-466 / No. Z-42.3-468
U.S. patent pending Güteschutz Kanalbau e.V.
Gütezeichen Nr. S27.24

The epros®DrainLCR-S system is used to repair and permanently seal main/lateral interfaces and connections up to 500 mm from the main line down into the lateral.

The system can use either an LCR-S hat profile or an LCR-S liner.

The main-to-lateral interface in the main pipe is sealed only by the rim of the LCR-S hat profile, while the LCR-S liner in the main pipe is designed as a short liner.


  • Reliable to install:
    1. Inversion is not possible until positive engagement of the pathfinder.
    2. The signal will not sound until complete inversion.
  • Technical advance:
    Only the inversion process allows pipe bends and offset joints to be relined.
  • Meets practical needs:
    Successful repairs are possible with little equipment needs only, even in the presence of groundwater.
  • Price advantage:
    Low investment cost, because you need to buy just the packers actually required.
  • Practical:
    The low-weight mobile unit with low space requirements can be placed even in a small car.
  • Flexible:
    It is also possible to use air push rods or a carriage.
  • Accessibility:
    The LCR packers can be folded as required inside the manhole.
  • User-friendly equipment:
    The LCR packers can be converted to other sizes as required.


  1. LCR-S Information
  2. LCR-B Information

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