Short Business Description We are Cornerstone Construction, Roofing Contractors in Greer and Greenville, SC area. We offer roofing in Greenville, SC. While you might consider handling roof repair in your home, doing so would be a massive mistake. Your roof is one of the most important parts of your entire home given it protects the entire structure along with your family and your possessions. As a result, it is important to keep everything safe with a structurally sound roof and proper repair. Because of this, you will want to hire professional roofers Greenville, SC. That way, you know that you are getting experienced and skilled people working your roof.