315mm Underground Drainage Pipes & Fittings

315mm Underground Drainage Pipes & Fittings

Our range of 315mm underground drainage pipe and fittings is designed for high-capacity sewer and surface water drainage systems. Often referred to as 12 inch drainage pipe, 315mm pipe is commonly used in commercial developments, highways and large residential drainage installations where increased flow capacity is required.

At Build Plumb Plastics we supply a complete range of 315mm sewer pipe and fittings manufactured in the UK by Brett Martin. These uPVC underground drainage systems are engineered for durability, strength and long service life in demanding below-ground applications.

All of our 315mm underground drainage pipes and fittings are manufactured to recognised industry standards including BS EN 1401-1. The Brett Martin system features a captive lip seal within each ring-seal socket, allowing fast installation while ensuring joints remain secure and leak-free.

315mm drainage pipe is typically used in large gravity drainage systems including commercial developments, industrial drainage networks, highway drainage and major surface water installations.

315mm underground drainage pipe wall thickness chart

Compatible Chambers & Inspection Points

For larger underground drainage systems we also supply a range of access products including manholes and inspection chambers to allow for maintenance, inspection and long-term system access.

Underground Drainage Pipe Sizes

We supply a full range of underground drainage pipe sizes including 110mm drainage pipe, 160mm drainage pipe, 200mm drainage pipe, 250mm drainage pipe and 315mm drainage pipe for domestic, commercial and civil engineering drainage systems.