Altmann Roofing: South Carolina -- Roofing, Siding, Gutters Altmann Roofing and Construction LLC in Greenville and Rock Hill, York, is one of the top roofers and contractors in South Carolina. From our humble beginnings, we have grown our company with a simple formula of "Commitment to Excellence." While our "Commitment to Excellence" may be easy to say, it’s much harder to do. We work very hard every day to deliver beautiful new service on time and at competitive prices, for residential projects We hope that your visit to our website will portray our commitment to you and your roofing or siding, Gutter project, and give you good reason to call us about your project. There is no obligation with our Free Estimates. We’d be honored to serve you. Please give us a call for your next project.