Copper has been used as an ideal roofing and gutter metal for thousands of years dating back to ancient civilizations. Shop here for copper gutter systems by size and style. We offer the finest selection of K-Style, Half Round, and custom profiles available anywhere for the discriminating contractor, builder or homeowner. Copper offers a very distinctive appearance and will eventually patina to brownish and later greenish. Go to the HELP section above for diagrams, checklist and charts.