Trenchless plumbing repair for sewer lines is becoming a preferred method whenever it can be used, as it can be done faster, more easily, and at a much lower cost than traditional sewer repair.
These techniques, called no dig pipe relining, cured in place pipe lining or CIPP, slip lining, and other names, involve putting a slightly smaller liner into an existing sewer line to repair cracks and leaks without actually digging out the old pipe.
Executed using numerous techniques, re-lining sewer pipes restores function for 50 years or more without the massive expense and effort of digging out entire sewer lines to replace them the standard way.
What Is No-Dig Pipe Relining and How Is It Done?
No dig pipe relining is, quite simply, a sewer line repair method that was developed to be performed without digging up the whole sewer line, removing it, and putting in a new one.
It is a form of trenchless plumbing that involves the insertion of a sewer line sleeve or inner layer from one end of the sewer line to the other to seal off cracks, breaks, and other damage that has rendered the original line non-functional.
Using one of many methods, no dig or cured in place pipe lining is less destructive, faster, and much less expensive than standard techniques, as it requires accessing only the two ends of the sewer line to push and/or pull the lining through.
What Are Some Pipe Relining Techniques?
Depending on details such as the diameter of the original pipe, the condition it is in, the length of the sewer pipe, and others, there are a few different no dig pipe relining techniques that can be used:
- CIPP or Structural Pipe Lining - Cured in place pipe lining or CIPP involves cleaning out the existing damaged pipe, then sliding in a pipe liner made of felt and epoxy resin. Once the liner is in place, it is left to cure and bond to the existing pipe, adding more support. After a few hours, the newly lined pipe can go back into use.
- Pipe Bursting - Pipe bursting involves replacing the old pipe with a new one by threading in the new pipe with a bursting head. As the head slides down the old pipe dragging the new one behind it, the old pipe is burst open, making room. Instead of ending up with a thin layer inside the existing pipe as with CIPP, a thicker, self-supporting pipe simply replaces it by breaking it up and knocking it out of the way.
- Spray Lining and Brush Coating - Another trenchless plumbing technique that is similar to CIPP, these methods start by first cleaning out the damaged sewer line and then applying a flexible epoxy-based liner to the inside. Linings are either sprayed on or brushed on to coat the entire inside of the sewer line, sealing it and making it functional again.
- Slip Lining - Another process that is similar to CIPP, slip lining is used with larger diameter sewer lines and involves slipping in a liner, then affixing it by filling the small area between the old pipe and the liner with grout.
Trenchless Plumbing - A Cost-Effective Sewer Repair Option
Learning that a new sewer line is needed can be a nightmare for most homeowners.
Fortunately, using newer, less destructive no dig pipe relining methods like cured in place pipe lining, pipe bursting, spray lining and slip lining, sewer line repair is easier and more cost-effective than it has ever been.
To learn more about trenchless plumbing and whether it is a suitable option for sewer line repair, homeowners should reach out to a local trenchless service.
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