A2Roofing is a roofing contracting company based in Ann Arbor, Michigan. The company offers 24-hour emergency service seven days a week, 365 days a year. A2Roofing can repair or replace tile, rubber, asphalt, metal, and cedar shake roofs that are flat, gabled, cross-gabled, cross-hipped, pyramid hip, saltbox, bonnet, hip, or mansard style.