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4 Common Pipe Rehabilitation Methods

plumber willoughby - internal pipe coating

The first thought that comes to mind when talking about pipe repair is disrupted area and heavy machinery. People might probably be thinking about traditional method. This involves in excavating the entire area for pipe extraction and replacement. On the other hand, homeowners must know that there are other pipe rehabilitation methods widely used in the plumbing industry. These methods vary in the cost, procedures and its maintenance. Nevertheless, it shares the same goal which is to rehabilitate damaged pipes. Listed below are the other methods used in different situations by contractors.

Internal pipe coating

This method is similar to pipe relining. However, the difference is that it’ll only repair those detected cracks and leaks. The cracks will be sealed during the internal pipe coating operation and other parts will be left as it is. During the process, contractors will utilise an epoxy lining and spray it on the internal surface of the pipe system. Experts suggest opting for this method over traditional method due to some reasons:

   *It doesn’t disrupt the entire area

   *The seal used is durable

   *Cheap service charge

   *Stretches the lifespan of the pipe system

Pipe bursting

Pipe bursting is done if the pipe system has serious damage. This is an alternative method for the traditional method. Although pipe relining can be used, pipe bursting is preferable if the pipe system can no longer be saved. The key part of the operation is the bursting tool. Before the operation begins, contractors must have to create two access points for the equipment. The bursting tool is composed of a blade that burst and cuts open damaged pipes. On the other hand, the end part of the tool is the replacement pipe. This means that the bursting and replacing of the pipes are conducted at the same time. Because of this, the operation speeds up and will be done in a few hours.


In this method, the liner is being reversed. The epoxy liner will be facing on the wall of the system to adhere properly. The tool used in the process is dragged through the pipe by a remote-controlled robot. Moreover, the curing process of CIPP method involves in utilising UV light device. Cured-in-place method is similar to Pulled-in-place. On the other hand, the difference is that the Pulled-in place method uses a bladder in the operation.


Similar to pipe bursting, this method involves in creating two access points for the equipment used. Then, the contractors will clean the system from obstructions with the use of a hydro jetter. Before the operation starts, the CCTV camera inspection must be done to see if the blockages are completely gone. Moreover, the inspection is utilised to detect other pipe problems such as cracks and leaks. During the process, the contractors will pour the epoxy into the liner and spread it evenly. Afterwards, the liner along with the bladder will be installed into the pipe. The bladder used is then inflated while the liner is in its curing process.