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 from SN 2, 4 and 6 and come in lengths of 6, 12 and 14 meters. They are available in 100 – 600 mm diameters.


Like all Wavin products, TwinWall pipes meet all relevant regulation and compliance standards and is BBA Certified. Easily calculate the pipe deformation values of your next project with our online tool.