About is an official website of the National Roofing Contractors Association (NRCA), the voice and leading authority in the roofing industry for information, education, technology and advocacy, and one of the construction industry's most respected trade associations. This site serves as a comprehensive resource for home owners and business owners, building managers and consumers. From common roof system maintenance tips to selecting a professional roofing contractor, provides timely information and tools to better serve your roof system needs.