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Underground Drainage


Storm drain

We stock high levels of underground drainage systems with a wide range of fittings and chambers for all your residential and commercial projects.

Kayflow's system makes installation faster and easier thanks to its flexibility, strength, lightweight and easy fit system.

With its comprehensive range of products in a variety of sizes, it allows you to construct  a complete underground drainage solution for your project.


Kayflow's underground drainage systems are:

  • Easy fit system

  • Lightweight

  • Durable and impact resistant

  • Tested to BS EN 1401-1 : 2009 PVC-U Underground Drainage Systems

Flexseal's storm drain is the perfect domestic channel drainage offering a complete, easy to install system, for the drainage of surface water for domestic applications.

Flexseal storm drain:

  • Conforms to BS EN 1433 - Load Class A15 

  • Lightweight

  • Durable and impact resistant

  • Flow capacity: up to 4.5 l/s

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