Copper and Steel: On Top Roofing can provide you with a copper or steel standing seam roof that will provide function and beauty. Our standing seam is available in 12" or 16" wide panels. The snap-lock system provides excellent protection from water and wind and looks very sanitary with all installation fasteners concealed. All of our trim and accessory parts are custom made for each job. The trim parts are designed to mechanically lock into place which prevents water or ice from finding their way under seams or joints. Whether your current design is a re-roof or new construction, we offer a full range of roof profiles, finishes, and architectural details to realize all your design objectives. Our systems permit complex roof configuration and unlimited panel lengths from ridge to eave, without end laps or splicing, to ensure a crisp roof line and greater weather tightness.