In the spirit of #NationalRoofingWeek and #CharitableGiving, Diamond Roofing is committed to securing the roofing industry's future excellence and a proud #GovernorMember of the Roofing Alliance, The Foundation of NRCA. The Roofing Alliance is a diverse, thoughtful and dedicated forum of roofing contractors, manufacturers, distributors, service providers and industry professionals united in shaping, improving and advancing the roofing industry. The Roofing Alliance: A non-p