Osma Rainwater Systems
Wavin is a leading supplier of water management and drainage systems for the Building, Construction and Utilities markets in the UK.

Osma Rainwater Systems available at Drain Center includes six systems, four half round profiles and two square sectioned profiles - SquareLine and High Capacity StormLine. All six systems are manufactured from PVC-u and conform where necessary to relevant standards. All products are available in a range of colours. A range of roof outlets are also available.
The Osma rainwater range includes:
RoundLine 112mm (4½") Half-round gutter system
- Ideal for domestic/housing projects
SquareLine 100mm (4") Square section gutter system
- Suitable for domestic buildings
StormLine 111x97mm (41/4x3¾") Ogee gutter system
- Suitable for both domestic and small commercial buildings
DeepLine 113mm (4½") Semi-elliptical gutter system
- Suitable for domestic and small commercial buildings
SuperLine 125mm (5") Half-round gutter system
- Suitable for large domestic roof areas and small commercial buildings
RoofLine 150mm (6") Half-round gutter system
- Suitable for large commercial and industrial buildings