The 7F73008F86E84875B7A22229D92090D4 Inner Corner moulding has been designed to compliment our largest exterior cornice moulding, the C820, eliminating the need to mitre 90 degree corners. A 90 degree Outer Corner is also available. 7F73008F86E84875B7A22229D92090D4 Inner corner cornice. Suitable for larger decorative external cornice work. The term cornice comes from Italian cornice, meaning ledge. Cornice molding is generally a horizontal decorative molding which crowns any building. The function of the projecting cornice is to throw rainwater free of the building's walls. In residential building practice, this function is handled by projecting gable ends, roof eaves, and gutters. Installations of this cornice UK wide.Install using the correct adhesives.