Dalco Roofing and Sheet Metal s motto is we ve got you covered. The company is a roofing, siding and sheet metal contractor. Its services include estimates, quick roofing adjustments, communications and fast track schedules. Dalco offers a full complement of roofing services for both the new construction and reproofing markets, from large commercial, industrial and institutional facilities to small businesses, one-story structures to high-rise buildings and flat roofs to structurally sloped projects. Founded in 1950, Dalco Roofing and Sheet Metal maintains facilities in Plymouth, Minn.