The Wavin Osma SquareLine 4T810B Internal Stopend (Black) provides a secure and neat finish for 100mm SquareLine gutter systems. Made from durable PVC-U with a slide-end connection, this black stopend ensures reliable water tightness and long-lasting performance for your rainwater drainage setup.
The Wavin Osma SquareLine 4T811W External Stopend in White is designed to close off the end of a compatible 100mm SquareLine gutter run. It fits over the gutter and incorporates a retained seal to provide a secure, watertight connection.
Part of the Wavin Osma SquareLine rainwater system, this external stopend is suitable for completing new gutter installations or replacing an existing end fitting. The SquareLine system features a square-profile gutter and 61mm square downpipe, with a maximum roof area capacity of 178m² using one downpipe, subject to the system design and installation requirements.