Gibraltar Building Products 5 in. White Aluminum K-Style Gutter Outside Mitre

Outside miters connect gutters that intersect at an outside corner. Outside mitres are made from two short pieces of gutter material that are factory seamed together at a 90° angle. They look professional and are fast and easy for a homeowner to install. Miters should be sealed with silicone gutter sealant then fastened with pop rivets or screws.