Cornerstone Contractors are a full service roofing contractor company centrally located in Rhode Island. We offer residential and commercial roofing, from repairs to installs. We service all cities and towns in RI. As professional certified roofing contractors, we are licensed and insured in the state of Rhode Island. With over 25 years of experience, we're experts at improving home values and lowering energy costs with roof replacements and installations. We always focus on providing you with the most cost-effective solution.