Product Description Preformed External / Outer corner piece to suit C820 Exterior coving. This is a pre-mitred external corner to suit a 90° corner. Use along with our C820 exterior architectural coving to create the perfect finish to your building fascia, dormer window or porch. This makes installation even easier for joiners or builders and no filling is required at the mitres. Internal / Inner corner pieces are also available. Supplied in individual unitsLightweight Polyurethane with white RAL 9003 exterior grade automotive paint finishC820 Exterior Coving Installation Guide
