Wavin Osma Superline 5T511B Gutter Stopend External Black

The Wavin Osma SuperLine External Stopend 125mm Black (5T511B) is a durable PVC‑U gutter end cap designed to securely blank off the external end of a 125 mm half‑round SuperLine rainwater gutter run. Complete with a watertight EPDM seal for reliable performance, this stopend fitting ensures effective roof drainage and protection from water ingress in commercial and large domestic roofing systems. Compatible with other SuperLine gutter components, it’s a must‑have part for finishing gutter runs and maintaining a neat, weather‑resistant installation.