Columbia Roofing and Sheet Metal is a full-service commercial roofing company based in Portland, operating across Oregon, Washington, Idaho and California since 1996. They provide new roof installations, re-roofing, roof maintenance and repairs, sheet metal work, and 24/7 emergency leak repair services. Their in-house fabrication shop handles architectural standing seam roofs, flashing, and related metalwork. They are a good fit for commercial property owners and facility managers needing comprehensive roofing solutions backed by decades of experience and strong safety practices.