Terrain Drainage

Terrain drainage for commercial building services

The Terrain brand has been synonymous with the development of plastic drainage systems for over 50 years. We've set the industry benchmark for quality, installation and flexibility and offer unrivalled product innovation and technical expertise. We are the drainage pipe experts, find a stockist or to learn more about our history click here.


Take a look through our technical literature to find expansion and bracketing information and temperature and pressure ratings. You can rest assured our drainage systems are proudly manufactured in the UK, fully engineered and accredited.

Our engineered above ground drainage pipe products have been designed specifically for the rigors of commercial buildings.  


See below for our full range of drainage products and their applications and browse through our many solutions to help you and your business. Don't forget to view our innovative Polypipe Advantage Service which provides bespoke, engineered offsite solutions ready to install onsite, saving you time and money. Built in factory controlled conditions, Terrain drainage stacks provide a wide range of benefits that will leave you asking... Why install any other way? 

  • Stack Replacement for Buildings in Use

    Thanks to our Polypipe Advantage Service, it is now possible for decaying, unhealthy drainage stacks / soil stacks, often made from traditional materials to be taken out and replaced

  • Drainage in Tall Buildings

    Due to geography and limited space in urban areas a large number of commercial and high-rise residential buildings are by design, tall. The design and layout of drainage in tall buildings need

  • Terrain Revit Families

    Following the UK Government target of achieving Building Information Modelling (BIM) level 2 by 2016 on all public sector asset procurement we have been working on ensuring our parts are avail

  • In-Building Rainwater & Rainwater Outlets

    Our in-building Terrain Rainwater Systems and Rainwater Outlets are used to drain flat roofs and balconies and convey water to underground drain or water re-use systems. We would recommen

  • In-Building Soil, Waste & Vent

    At Polypipe we have soil & waste pipe systems and vent systems to suit all applications. Our extensive range of products designed for commercial building services&

  • Terrain Chemical Soil and waste drainage system

    Chemical Soil & Waste

    Terrain FUZE and Terrain PVC Soil & Waste Pipe Systems can be used for a range of chemical applications due to their chemical resistance characteristics. This makes Terrain Soil & Wast

  • Noise Reducing Soil & Waste

    In noise sensitive environments such as hospitals, rest homes, schools, libraries and hotels we recommend using our Terrain dB12 which is a polypropylene system with a mineral additive. &nb

  • Gravity Rainwater Gutter & Downpipes

    We offer a range of gutter profiles and downpipes in robust PVCu to help you achieve your performance and design objectives. If you wish to drain roofs to the underground drain on commercial,

  • Underground Drainage

    Terrain underground drainage systems are made of PVCu - an established drainage system material with a long service life in excess of 50 years. They take fluids from inside and outside of buil

  • Fire Compartmentalisation

    It’s essential to maintain the integrity of a fire rated compartment within your buildings. We offer a range of intumescent fire collars and sleeves that seal off penetrations in fire rated

Contact us as early as possible in your project so that we can tailor the right drainage system or pipe solution for your project needs.
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