These satin anodised silver aluminium extrusions are used to connect together Multipanel's Classic, Heritage and Linda Barker waterproof wall panels at external corners. The channels are siliconed sealed, allowing the panel to slot in, for a neat, unobtrusive finish. The trims are constructed out of PVC, ensuring they are waterproof and give the perfect finished look with your panels. They are designed so they are easily fitted allowing quick installation. Features: Waterproof Durable Versatile High Quality Finish Professional & Polished Easy to Install 11mm Thickness 2450mm Long