Tips and Tricks

Why do drains need to be relined?

In the past, damaged drains were a difficult problem to solve. Not only was it hard to detect issues with underground pipes, but it also meant the laborious job of excavating them. This could be particularly difficult and disruptive if affected pipes were underneath roads or walls.

However, advancements in technology now mean underground drainage issues can be rectified far more easily and quickly thanks to a process known as drain relining.

What is drain relining?

Drain relining involves repairing damaged pipes without having to dig them up and reinstall them. A new pipe is created inside an existing one to help seal cracks and force water to flow more efficiently. Drain relining can target the problems of open or leaking joints or cracks caused by blockages. Root intrusion, one of the biggest causes of drainage problems, can also be tackled through drain relining.

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How does the process work?

There are several methods of drain lining. Drain lining can be carried out by using a Cured in Place Pipe (CIPP) lining. In this process, a special reinforced resin layer liner is cured to the inner surface of the drain. Ultra Violet lining (UV lining) uses ultraviolet light to cure a reinforced liner to a damaged drain, while GRP (glass reinforced plastic) linings are one of the most common drain relining techniques. In all cases, a thorough drain inspection should be carried out first to understand any issues and the best solution.

How do I know if my drains need to be relined?

There are several tell-tale signs that your drains may need relining. Slow drainage in a sink, bath or shower, gurgling noises from the drains and a bad odour are just some potential signs. If you are searching for drain lining Gloucester, for example, always look for a qualified professional such as to carry out the work.

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Experts will always begin with a thorough inspection of your drainage system using CCTV cameras in order to ascertain where there are problems and what the best solution is. A CCTV drainage survey is recommended before buying a property to avoid costly repairs in the future. Figures show around 37% of homebuyers find significant problems after moving into a new property.

A CCTV drain survey will help establish whether a full relining, patch relining or a complete drain replacement is needed.

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