
Underground Drainage Systems
Kayflow Standard Underground Drainage Systems
Kayflow’s Underground Drainage system is available in 110mm and 160mm. This is a system designed to transport wastewater underground:
- Easy fit system
- Lightweight
- Durable and impact resistant
Explore our full Underground Drainage range below.

110 Underground
Our 110mm Underground system is easy to fit, lightweight, durable and impact resistant, making it a popular choice in the trade.

160 Underground
Just like our 110mm system, the 160mm underground system is installer-friendly, with our SN8-rated pipe boasting excellent sustainability credentials.

320 Inspection Chambers
Our 320 range of bases, risers, lids and frames are manufactured from 100% polypropylene.

450 Inspection Chambers
Explore our full 420 range of bases, risers, lids and frames; all available in black.

SUSTAINABILITY
EPD-Rainwater
We have received an independently verified EPD for our Kayflow rainwater range, which was provided by the BRE, one of the most recognised providers of EPDs in the UK.



At Kayflow, sustainability is at the heart of everything we do, with a large percentage of post-consumer waste being used in our profiles. Our aim is to manufacture high-quality products in the most sustainable way possible. As part of our ongoing commitment to sustainability and supplying our customers with clear, concise and transparent data, we have also received a verified EPD for our rainwater ranges. Explore our sustainability credentials here.
Technical Information & Support
We provide a range of useful technical information to support you with your construction projects, in addition to the Kayflow Product Guide. If you are looking for support of any kind, please head over to our technical section or for further advice and more practical assistance, contact [email protected] or call 01827 317 200 to speak to a member of our specification team.
