Trelleborg Main to House Lining

Trelleborg MtH | Lateral pipe rehabilitation from the main to the house
The unique “no-dig” system, that needs no access point in the lateral pipe. TheTrelleborg Main-to-House (MtH) system is a method for the trenchless rehabilitation of property drainage lines by means of the cured-in-place pipe (CIPP) lining technology. The difference from the usual method is the lining direction: It works from the main pipe to repair lateral connection pipes!

  • No need to enter private property
  • Access point can be 150 meters away
  • Up to 40 meters rehabilitation length
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Description

Application

Main Pipe Diameters

  • DN 135 – DN 150 | 5″ – 6″ – Packer Type 0
  • DN 200 – DN 225 | 8″ – 9″ – Packer Type I
  • DN 250 – DN 350 | 10″ – 14″ – Packer Type II
  • DN 400 – DN 600 | 16″ – 24″- Packer Type III

Lateral Pipe Diameters

  • DN 100 – DN 200 | 4“ – 8“

Connection Angles

  • 30° to 90°

Applicable Damages

  • Leaks with or without groundwater infiltration or exfiltration at pipe joints, pipe walls, junctions, transitions etc.
  • Displaced pipes, cracks and debris, ruptures
  • Mechanical wear
  • Corrosion

Inapplicable Damages

  • extreme pipe or joint offsets
  • broken or collapsed pipes
  • large cross-sectional reductions in conjunction with bedding problems
  • longitudinal cracks at pipe connections