Wavin Osma

Wavin Osma is the reference for residential and commercial drainage systems. One of the UK's most trusted and leading names in plastic drainage systems. The source for all types of gravity drainage, sewer installation and pressure pipe systems in any private or public development. Whether you’re installing for a domestic or commercial project, you’ll find Wavin Osma guttering, and above and below ground drainage solutions will cover all of your requirements.

Above ground drainage systems

Rainwater Guttering

From half-round guttering that integrates seamlessly into residential, commercial and industrial buildings, to roof drainage systems for flat roofs and complex roof areas, we offer a wide range of solutions to capture rainwater.

Soil and waste pipes and fittings

The Wavin Osma soil range offers an exceptional choice of pipe & fittings including brackets, bends, junctions, access fittings, and terminations. To connect to your soil system, we offer push-fit & solvent weld waste ranges, together with trap, overflow & condensate ranges to cover all installation needs.

Below ground drainage systems

Wavin Osma Drainage

Wavin OsmaDrain - the definitive & comprehensive PVC-U gravity drainage system for residential, commercial & industrial projects. The source for all types of gravity drainage, sewer installation & pressure pipe systems in any private or public development. One of the UK's most trusted & leading names in plastic drainage systems.


Wavin Osma UltraRib systems are designed for use in gravity drainage and sewerage installations at depths of up to 10 metres. Osma UltraRib has been designed and manufactured to exceed all required industry standards for PVC-U systems, OSMA UltraRib has provided foul and surface water solutions that have been relied upon for over 30 years.

Inspection Chambers

Inspection Chambers are designed for use in gravity drainage installations. Wavin Osma drainage inspection chambers offer a number of base and shaft configurations to gain access to underground drainage pipelines, giving Specifiers and Installers the freedom to choose the most suitable system for their needs.

Drainage Channels

Drainage channels work by removing surface water away from a given area. A drainage channel is usually a ground-level grate with a pipe underneath to carry the water away. Wavin Osma range of channel drains and gullies help manage surface water efficiently by collecting and transporting excess water on roads, car parks or industrial sites.

Where can you find Wavin Osma products?

Find your nearest stockist

Use our online stockist locator to help find your local stockist.

Useful documents and downloads

Here you can find Wavin Osma brochures, technical manuals and certificates.

BIM downloads

Here you'll find downloadable Wavin Osma Revit packages.


Complete Wavin Osma eLearning modules at your own pace or save time with our calculation tools.