A1 Roofing's Kangaroof is one of the top-tier Maryland Roofing Companies serving the Columbia Md, Ellicott City Md, and Elkridge Md markets. Our roofers specialize in asphalt architectural shingles for pitched roofs, natural white single ply PVC membrane for metal and flat roofs. We are a roofing contractor that is proficient at dealing with storm damage, roof repair, and roof replacements as well as installing or upgrading gutters and downspouts. We also provide services for various kinds of siding projects. We are A Veteran -Owned and operated roofing company with high standards and dedication to the roofing industry. We are members of the Better Business Bureau, Roofers Success Intl, and Roofing Insights.