Osma Science of Drainage

Osma Below Ground Drainage

industry-leading pipes and fittings designed to last longer and be easier to install.

The Science of Drainage Overview

OsmaDrain

Drainage solutions including the Osma Bottle Gully

It's advanced design include a rotating body, which means you can position the gully at an angle that suits the drainage system.

OsmaDrain Range

OsmaUltraRib

Strength in every rib!

tick Unique ribbed design for exceptional axial rigidity and radial strength.
tick The UK’s only single walled ribbed system.
tick Tried, tested and trusted for over 30 years.

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Designed to exceed

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.

Osma Ultrarib range

Pipe Deformation Tool

Use our handy on-line tool to instantly calculate the deformation rate for Osma UltraRib pipe.

Use the tool

Osma Inspection Chambers

Osma inspection chambers

The widest range of bases available for adoptable and non adoptable situations

Osma inspection chambers range

Inspection Chamber Selector

Take the hassle out of selecting the right Inspection Chamber for your next project

Use the tool

Osma Domestic Channel and Drainage

Osma domestic channel drainage

Lightweight and robust drainage soultions - plastic and galvanised grating options

Osma inspection chambers range

Downloads

OsmaDrain - Product and Installation Manual

Download

Osma Inspection Chambers - Product and Installation Manual

Download

Osma UltraRib - Product and Installation Manual

Download

Osma Domestic Channel Drainage - Product and Installation Manual

Download

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