The Twinplas Black Box Gutter Mitre Connectors are available for both internal and external corner joints. Pre-fitted with seals to ensure water cannot escape resulting in a water tight rainwater system.
Manufactured by Twinplas
No need for painting on regular maintenance
Available as internal or external corners
Traditional box gutter profile - ideal for older properties including barn conversions, cottages and commercial buildings.
Cost-effective solution for both new build and refurbishment applications