Osma Drainage
The Osma range includes a selection of products for sewer, highway and land drainage applications.
The Osma range includes:
UltraRib Sewer Drainage
- PVC-U gravity sewer system suitable for adoptable and non-adoptable foul and surface water installations.
- Smooth internal surface for enhanced flow
- Concentric external ribs provide exceptional axial rigidity and enhanced radial strength
- Lightweight for ease of handling on site
- Manufactured to Water Industry Standard (WIS) 4-35-01 and where applicable carries the British Standard Kitemark
- Holds BBA certificate numbers 98/3472 and 89/R046
For Osma Below Ground Product range summary click here .
For Osma Below Ground installation guide click here .
TwinWall Highway Drainage
- A cost effective system for use in gravity surface and stormwater drainage applications
- Can be used in carrier and filter drain systems
- Perforated TwinWall exceeds the Department of Transport’s minimum perforation requirement of 1000mm2 per metre length
- Lightweight for ease of handling on site
- Holds BBA certificate numbers 02/H070 and 02/3940 for sizes 150mm to 600mm
Land Drainage
- Corrugated PVC-U pipe system to provide a cost effective land drainage system
- Easily installed using either open cut or trenchless methods
- Improves condition, trafficability and workability of soils
- Complies with BS 4962: 1998 and carries the BSI Kitemark