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Inversion

Inversion pipe lining is an effective procedure that restores corroded or eroded drain, waste and vent piping systems without the costly expense and disruption of pipe replacement.
Pipe replacement in aging facilities, the traditional alternative to pipe lining, comes with a host of concerns and issues that must be dealt with, some of which can render such work highly prohibitive.

Having only one access point for lining calls for Inversion, this more traditional  technique is capable of adhering hundreds of feet of liner against the piping system in a few minutes.
Pipe lining provides an efficient, effective alternative with many benefits, which include:
  • Significant savings over other methods
  • Increases useful life of piping system
  • Very little disruption, if any
  • Preservation of building structure and surrounding landscape or hardscape
  • Eco-friendly "Green" practices
  • Protective liner prevents corrosion and leaching of harmful elements into the soil or building structure
  • A "No Dig" trenchless technology
  • Increases flow capacity

Inversion pipe lining works in many circumstances.
  • Underground Main Lines (Manhole to Manhole)
  • Straight runs
the process
1.  Initial inspection of the pipe will be performed by using a CCTV camera.  During the inspection         we will measure the length and diameter of pipe as well as locate any problems (corrosion,               tree roots, cracks, blockages, off sets).

2.   Thoroughly clean the interior surface of the pipe by using proprietary mechanical tools to                 remove corrosion, tree roots, and blockages.

3.   A second camera inspection is completed to confirm the condition of the pipe, verify that it us         clean, and to remove any debris.

4.   A felt liner is measured and cut to the dimensions of the pipe that is being lined, such as                   length and diameter.  The felt liner is saturated with a two-part epoxy and inserted into the             single access point.

5.   The liner is inverted into the pipe with compressed air, blowing the the liner inside out with              the pressure of the compressed air.  The epoxy will now be on the outside of the liner against          the existing host pipe wall.

6.   The epoxy is left in the host pipe to cure (harden) either by air, steam or hot water.  Outside              ambient conditions determine the method of curing the resin.

7.   A third camera inspection is completed to insure the entire pipe was lined.

8.   Any branch line connections would be reinstated with a proprietary robotic cutting device.

9.   The end process is a fitted, smooth, and corrosion-resistant new pipe wall.



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  • Flow Infrastructure
  • Markets
    • Flow Facilities >
      • Condition Assessment
      • Diagnostics
      • Rehabilitation
      • Treatment
    • Flow Utilities >
      • Lead Service Line Replacement Finance Programs
      • Lead Service Line Replacement (LSLR)
      • Diagnostics
      • CCTV Inspections & Pressure Water Mains
  • Services
    • Secondary Treatment
    • Spartan Legionella Verification
    • Non-Intrusive & Intrusive Technologies
    • Lead Service Line Replacement
    • Rehabilitation >
      • Changing the Industry
      • Cured-in-Place-Pipe Lining >
        • Pull-in-Place
        • Inversion
      • High Velocity Air Scrubbing
      • Pressurized Pipe Epoxy Coating
      • Leak Detection
  • Applications
    • Mechanical Systems >
      • Fire Suppression Systems
      • HVAC Systems
    • Water Systems >
      • Potable Water
      • Service Mains
      • Horticultural Systems
    • Drain Systems >
      • Vertical Application
      • Roof Drains
      • Storm Systems
      • Sanitary Systems
  • Management
  • Contact Us
  • Become A Partner
  • News