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)
Marshalls British Standard Concrete Dished Channels are designed for commercial applications. They are a utility product which come in a standard concrete finish. They are highly durable and precision-manufactured. Each unit is hydraulically pressed to create a strong and durable product.
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)
Marshalls British Standard Concrete Dished Channels are designed for commercial applications. They are a utility product which come in a standard concrete finish. They are highly durable and precision-manufactured. Each unit is hydraulically pressed to create a strong and durable product.