Sewer linings can repair cracked pipes without the need for replacement of the sewer lines or destruction of the surrounding area. One who requires a sewer pipe replacement should consider his or her options first. After all, a complete sewer pipe replacement may not be necessary at all times. In fact, relining the existing pipes can be an alternative that is better.
If the sewer lines are near driveways, landscaping, sidewalks, or trees, a full sewer excavation causes collateral damage and expense to the area. Also, pipe relining is the better alternative for replacing sewer pipes. Furthermore, these materials enable the pipe interiors to rehabilitate without the need for replacement.
These are the types of pipe relining systems in use today:
#1: Cured-in Place
For repairing trenchless relining systems, the cured-in place piping is a suitable method. The setup remotely lines the cracked section of the pipe without the need for digging a trench. After cleaning and drying the interior of the pipe, installers will apply linings to the problem area. Lastly, the liner is “cured-in place” with hot steam that molds into the cracks in the pipe. At this point, re-sealing will occur automatically, and there ends the pipe’s rehabilitation.
#2: Pull-in Place
For pipes with larger cracks and gaps, the pull-in place is a convenient lining method. First, the material seeps into the pipe through heating, similar to steam. Next, the professionals pull the epoxy-saturated liner into the area that needs repair. At this point, the system requires two access points, one for feeding and the other to pull it through. Lastly, the workers introduce the pipe to reveal the sleeve and hold it against the pipe interior until it dries up.
#3: Pipe Bursting
For severely damaged pipes, the pipe-bursting method may be of use. In fact, replacing entire pipe systems and repairing larger parts of the sewer pipeline is the forte of pipe bursting. First, the workers will find a physical access to the pipe before they can begin repairs. Also, they may need two four-foot access pits at one end of the pipeline
First, the workers will place a “bursting head” at the designated access point. They will make use of hydraulic power to drag said head through the pipe. As it goes through the pipe system, it breaks apart the old pipe and produces a new, seamless pipe. Furthermore, the new pipe uses a plastic material that resists root intrusion for up to a century.
#4: Internal Pipe Coating
Certified technicians will utilize an internal pipe coating for repairing a sewer pipe which has begun leaking into the soil. They will drain the pipes completely to get rid of water, and this is only preparation for treatment. Next, they will spray thick epoxy coating on the interior to permanently seal the cracks and gaps throughout the pipeline.
Do note that all these pipe relining techniques replace the old pipe with a new seamless one that lasts for generations.
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