Which Pipe is Best For Underground Drainage?

Which pipe is best for underground drainage UK

When it comes to underground drainage, you have plenty of options. You can go with PVC, clay, or concrete. These are the most common choices for building owners and builders. The types of pipe vary, so it’s important to know which one is best for your particular needs.

PVC pipe

PVC pipe is used in a variety of applications. It has low wall strength and is flexible. It is a common choice for underground drainage. The pipe is often used for French Drains, but is also used in retaining walls and daylight systems. Its flexibility makes it an ideal choice for outdoor applications.

PVC is also very lightweight. It is therefore easier to transport and install than other underground drainage pipe materials. It is also durable and resistant to chemicals. This means that it will not rot or rust. PVC is a great choice for drainage in the UK. It is also easy to work with – the material is light and easy to cut.

PVC pipe comes in different types. There is molecularly oriented PVC, modified PVC, and unplasticised PVC. These types all share many of the same properties, but have slightly different properties. Molecularly oriented PVC has the most desirable properties and is suitable for above and below ground applications. It is also resistant to sunlight and heat, so it is ideal for applications in colder environments. It is also recyclable.


There are a few different types of underground drainage pipe work available, and there are also a number of different diameters and materials. This guide will provide you with information about the different types and their different uses. You can find out which pipe is best for your particular project by reading on.

Before you install underground drainage, it is important to prepare the trench for the pipes. Make sure to dig a trench at least 300mm wide. Then, cover the trench with a layer of pea shingle or fine gravel. This layer will form a base for the larger grade material, which will be used to backfill the trench. This process will make your drainage system easier to maintain.


If you’re planning to install a drainage system underground, clay pipe is an excellent choice. It is strong, fireproof, and highly resistant to rust and corrosion. In addition, clay pipes can be purchased in lengths of up to 2m, so you can use fewer materials for backfilling and support. Plus, clay pipes are becoming increasingly popular in large construction projects.

There are several types of pipe that are used for underground drainage in the UK. Some are made from clay, while others are made from PVC-U. Both types are sturdy, lightweight, and durable. They also feature smooth walls to promote healthy flow of materials within them. PVC drainage pipes are also resistant to high temperatures and most acids and alkalis.


If you’re looking for a plastic pipe for underground drainage, you’ve come to the right place. Polypipe makes a variety of plastic pipe products, from drainage pipes and fittings to inspection chambers. Their products have a great reputation and have been used successfully in many UK projects.

Most domestic drainage systems use PVC pipe, which offers excellent flow rates and low costs. It is also easily identifiable due to its distinctive terracotta colour. Drainage pipe in the UK is generally manufactured to BS EN 1401 and BS 4660 standards. Previously, underground drainage pipes were typically made from vitreous clay, asbestos cement, or pitch fibre.

Plastic pipe is easy to install and durable, enabling it to withstand all types of weather. It is available in a variety of different diameters to accommodate different volumes of water. For outdoor landscape applications, 4-inch-diameter pipes are most common.

Twinwall drain pipe

Twinwall drain pipe is suitable for a variety of drainage applications, including surface water, highway & carrier drainage, subsoil drainage, and environmental systems. Its dual-wall design allows for excellent water flow. This makes it ideal for stormwater drainage, golf course drainage, and environmental systems.

There are two types of twinwall drainage pipes: perforated and unperforated. The former is often used in highly trafficked areas such as driveways and motorways. It has a greater strength than single-wall pipes and is available in larger diameters. This makes it ideal for heavier-load projects.

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