Your choice of pipe makes a real difference to the effectiveness of your drainage system. Wavin TwinWall makes an active contribution. Easy to handle and install, they are solid wall pipes and fittings systems for the transport of rainwater.

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System Information

Transport and drainage

Wavin TwinWall pipe is manufactured by a twin extrusion process which creates an outer corrugated wall and a smooth finished inner wall to assist hydraulic flow. The pipe is complimented by a comprehensive range of fittings.

Choice of stiffness and sizes

Wavin TwinWall pipes come in a variety of stiffness classifications in 6 metre lengths. They are available from 150mm to 600mm diameters.


Like all Wavin products, TwinWall pipes meet all relevant regulation and compliance standards and is BBA Certified.

What’s next?

Wavin design services will provide you with a complete plan, optimising chamber spacing and end-point overflow.