Osma RoundLine is a 112mm (4½") gutter system with circular 68mm downpipe. For domestic standard use. Use for a maximum roof area of 163m² (with one downpipe)
Wavin Osma StormLine is a high capacity domestic system with ogee profile - suitable for a maximum roof area of 254m² (with one downpipe). Use with RoundLine or SquareLine downpipe.
Osma PVC-C solvent weld waste is suitable for both interior and exterior use and is designed to withstand higher in-service temperatures. It has UV and heat resistance as well as fire retardant properties.
The Air Admittance ValvesÊare designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses into the building.
Osma RoundLine is a 112mm (4½") gutter system with circular 68mm downpipe. For domestic standard use. Use for a maximum roof area of 163m² (with one downpipe)
Wavin Osma StormLine is a high capacity domestic system with ogee profile - suitable for a maximum roof area of 254m² (with one downpipe). Use with RoundLine or SquareLine downpipe.
Osma PVC-C solvent weld waste is suitable for both interior and exterior use and is designed to withstand higher in-service temperatures. It has UV and heat resistance as well as fire retardant properties.
The Air Admittance ValvesÊare designed to allow the free entry of air into the sanitary pipework system without the escape of foul gasses into the building.