In addition, because much of their work is done inside, sheet metal workers are not limited by bad weather. Job opportunities should be good since many current sheet metal workers will retire or transfer to other jobs. Opportunities should be good for those who have completed apprenticeships or have a lot of experience. Preparation Most sheet metal workers learn their skills through an apprenticeship sponsored by the union. Apprenticeships last four or five years and include at least 144 hours of classroom training each year.
Apprentices learn both assembly and installation of sheet metal products.
On the job, they learn the basics of pattern layout. They also learn how to cut, bend, assemble, and install sheet metal. Apprentices begin with basic ductwork. Eventually they learn to make more complex ducts, fittings, and decorative pieces. They also learn how to work with fiberglass, plastics, and other nonmetallic materials.