Are you looking for the best Exterior Detailing in Woburn? Then contact A1 Detail & Ceramic coating. A1 Detail & Ceramic coating is a Mobile detailing service based in Boston, MA, with the determination to rejuvenate your vehicle, to a ‘new appearance, and continue to protect your vehicle for the long term. We specialize in exterior detailing services, such as Ceramic coating and Paint correction, but offer other services as well.