Pipe Lining

Pipe lining is a drain repair technique that installs a new sleeve inside the existing damaged drain, which does not require excavating. Our pipe lining service allows the pipe to return to better-than-new condition at a fraction of the cost of replacement.

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Metro Rod has been developing and improving these ‘no-dig’ techniques for 25 years, so we have an array of options for providing the most cost-effective and efficient solution. No-dig repair options vary depending on the application.

The use of full-length liners will result in any joining connections being blanked off. This isn’t a problem – these are easily opened up after lining with a robot cutter which drives into the drain operated by one of our experienced technicians.

The camera located on the front of the cutter allows the operator to easily direct the cutting head and open up the connection with great precision.

Ambient Cured Lining

The ambient cured lining is used for the full or partial lining of sewers or drains to cover multiple defects. This type of technique for drain repair is predominantly used for domestic and small commercial or industrial applications.

Lining produces a seamless continuous repair which provides a structural repair and barrier to further damage such as tree root ingress.

There are two types of installation method for this product, called ‘Drag in’ or ‘Inversion’. Upon deciding the most appropriate method, the liner is then cut to the required length and impregnated on site using Polyester. The liner is then either dragged through the pipe and inflated or inverted (blown) and inflated.

The inversion method involves the liner being turned inside out as it is forced through the pipe, this can be done using either water or air pressure. As the name suggests, the resin then cures (with no assistance) leaving a seamless full-length repair.

Heat Cured Lining

Again, this method is used for full or partial length lining to cover multiple defects; however, it is predominantly used for larger diameter or longer length pipes as it gives a longer installation window due to the resin requiring heat for it to cure.

The use of full-length liners will result in any joining connections being blanked off. No problem -these are easily opened up after lining with a robot cutter which drives into the drain operated by one of our experienced technicians.

The camera located on the front of the cutter allows the operator to easily direct the cutting head and open up the connection with great precision.

At Metro Rod, we also offer patch repair and excavation as a drain repair technique.

If a drain becomes damaged you will need to decide what measures to take in order to resolve the issue. This will depend on the extent and seriousness of the damage.

Trenchless technologies such as patch repair is a popular choice for rectifying drain repairs as it’s cost-effective and causes less disruption. However, for more serious cases, it may be necessary to employ full excavation and drain replacement to rectify this issue.

Whatever your requirement, give Metro Rod a call and one of our team will be able to discuss the best way to assist in the resolution of your drainage problems.

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