Wavin 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)
Osma UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. For foul and surface water drainage for adoptable and non adoptable situations requiring a high stiffness classification
Wavin 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)
Osma UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. For foul and surface water drainage for adoptable and non adoptable situations requiring a high stiffness classification