Twinwall Drainage Pipes

Shop our range of Twinwall Drainage Pipes, available from stock in a range of common sizes. Perfect for transporting surface and storm water quickly and effectively.

Twinwall pipes feature a smooth inner surface and a ribbed, durable outer pipe. This makes them capable of handling demanding outdoor conditions and facilitating a consistent flow of water. It offers the ideal combination of being lightweight yet strong. The inner wall supports consistent hydraulic flow and the corrugated outer wall offers superior support even when buried underground. Its versatility makes it ideal for both underground drainage and surface water systems. This makes twinwall pipes remarkable and reliable for long term drainage.

Our Range of Surface Water Twinwall Pipes

Our range of twinwall pipes provides a practical alternative to traditional clay and concrete systems. Available in a variety of sizes and configurations, the range includes twinwall pipes with plain ends as well as options with a built-in inline coupler. These adaptable solutions are designed to support efficient installation across a wide range of drainage projects.

Explore our complete range of underground drainage products to support every stage of your project.

Why Choose Drainfast as Your Chosen Twinwall Supplier?

  • Quick next working day delivery available
  • Vast range of drainage supplies to promote efficiency
  • Guaranteed availability of core products
  • Emphasis on customer service and support
  • Free material take-off service to help with order accuracy
Find out more about us

Frequently Asked Questions

What is a Twinwall drainage pipe?

A Twinwall pipe is a versatile drainage solution. It features a smooth inner surface that supports the seamless transfer of surface and stormwater with a rigid outer structure built to withstand outdoor conditions.

What are Twinwall drainage pipes used for?

Twinwall drainage pipes are used for surface and stormwater management. The most common applications include driveways, highway drainage, agriculture settings, commercial or residential developments. Their durability and structure make them resistant to ground movement and reliable for various environments.

What sizes are Twinwall drainage pipes available in?

Twinwall drainage pipes are available in a wide range of diameters to suit different drainage requirements. Common sizes include 150mm, 225mm, 300mm, 375mm, 450mm, 600mm, 750mm and 900mm. These varying sizes allow Twinwall systems to handle different water volumes, making them suitable for everything from smaller site drainage to large scale infrastructure and highway projects.

How deep can Twinwall pipes be buried?

Twinwall pipes are designed for underground installation and can be buried at significant depths when installed correctly. The exact depth depends on factors such as pipe diameter, ground conditions, loading requirements and the type of backfill used. It’s important to consult with an expert and provide your project specifications to determine if a Twinwall pipe is ideal based on your requirements.

How are Twinwall pipes connected?

Twinwall pipes are typically connected using couplers or socket connections to create a secure and watertight joint. Plain ended pipes are joined with a separate coupler that fits over the ends of two pipes. Some pipes are supplied with a built-in inline coupler on one end for a more seamless installation.

Help & Advice

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Soakaway Crates Explained

Soakaway crates have an integral part to play in the prevention of surface water flooding in built-up areas.

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