Drainage, Soil & Waste


For over 40 years our drainage section of SIG Building Plastics, formerly independent businesses of Plastics Pipe Systems and Drainex, have remained committed to being a leading supplier of knowledge, expertise, products and service to the drainage specialist.

We supply comprehensive systems for many varied applications including Underground Drainage, Ducting, Water Supply and Irrigation.

We are also leading suppliers of Septic Tanks and Sewage treatment plants. So whatever the size or scale of your drainage project we are confident that we can support you throughout your project ensuring you have the right products when you need them.