This Artco overcorner is designed as a retro-fit corner piece for 127mm standard C-shaped cornice. It provides a clean, professional finish around internal or external corners without the need for complex mitre cuts — perfect for DIY users and trade installers.
Made from high-quality GRP material, this overcorner fits seamlessly over existing cornice, restoring symmetry and covering imperfections where two runs of coving meet. Suitable for internal and external corners, it creates a smooth architectural line that enhances both traditional and modern interiors.

Key Features

Fits 127mm C-shaped standard cornice
Retro-fit design — ideal for covering uneven cuts or damaged corners
Suitable for internal & external corners
Provides a crisp, professional finish
Made from strong, lightweight GRP
Perfect for refurbishments, repairs, and new installations
Ready to paint in any colour

This overcorner is ideal for homeowners, decorators, and installers wanting a fast, precise, and visually clean solution for finishing cornice corners.