Osma SquareLine is a 100mm (4") square section gutter system with 61mm square pipe - suitable for a maximum roof area of 178m² (with one downpipe)
- Provides 48mm offset to enable connection to drain outlet
- Generally required when installing SquareLine flush to the wall.
- Ideal for domestic housing projects
- Conforms to BS EN 12200-1:2000
Bs En 12200-1:2000
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