No person, firm or corporation may for a consideration install, alter or restore within the town any insulation or other materials or energy utilization equipment designed or intended to meet the State Building Code requirements  for insulation and energy utilization standards who is not either licensed as a contractor to do the proposed work under G.S. Ch. 87, working under the supervision of a registered architect or professional engineer, an owner working on his or her own building or licensed under this chapter.
(1993 Code, § 90.91)