Sheet Metal Workers fabricate and install ducts used in heating, ventilation and air conditioning. They also fabricate and install a wide variety of other products made of light or thin galvanized metals such as siding, metal decks, paint ovens, spray booths, gutters, flashing and dust collecting systems. The trade also includes products made from heavy or thick metals, which are welded (Stainless steel, aluminum, black iron) column guards, conveyors, blowpipe systems, spouts, and other items.



  • At least 18 years of age
  • High School Diploma or GED
  • Physically fit to perform work
  • Strong math skills
  • Valid Driver’s License
  • Drug Screen
  • Upon being selected, an apprentice must apply and pay for, a State license through the Iowa Plumbing and Mechanical Systems Board. The fee for this license is $50.


Five (5) year apprenticeship
In addition to the training received on the job, an apprentice will attend 208 hours per year of related training, at our training facility. The related training will consist of, but will not be limited to:

  • Trade related math
  • Drafting
  • Pattern development and layout processes
  • System design (type and size of equipment and duct work).
  • Detailing (process of making blue prints to make sure the equipment and ductwork fit in a space without interfering with other crafts materials)
  • CAD (Computer- Aided Design)
  • Welding (All processes)

Classroom instruction takes place on weeknights or Saturdays depending on the level of the program the apprentice is in.


An apprentices starting wage package will be 50% of the journeyman wage package, with incremental increases throughout the apprenticeship. Apprentices receive such benefits as health insurance and national pension plan and annuity.


Applications are accepted year round, during regular business hours, which are 7:00 am to 4:30 pm, Monday thru Thursday, and 7:00 am to 3:30 pm on Friday.  Call to schedule an appointment.  No walk-ins.

For a complete application, the applicant will need a valid drivers license, high school transcripts or a passing GED equivalency certificate, and achieve a minimum of a Silver on the National Careers Readiness Certificate test. After a complete application has been submitted, the applicant will be notified as to an interview date, which are held quarterly.


Sheet Metal Workers International Association Local #45

4534 NW 6th Drive , Des Moines, IA 50313
Phone: (515) 262-7421

Contact Us for Apprenticeship Info

Visit Our Website


  • Air-Con Mechanical
  • All Iowa Mechnical
  • Baker Group
  • Berglund Sheet Metal Contractors Inc
  • Central Iowa Mechanical Co
  • Corn States Metal Fabricators
  • Donco Air Products – Air Diffusers
  • Exterior Sheet Metal Inc
  • Hussmann
  • Marick Refrigeration Inc
  • McGill Airflow Corporation – HVAC Ductwork Fabrication
  • MidState Plumbing & Heating Inc
  • Modern Mechanical
  • Precision Test & Balance
  • Sheet Metal Engineering
  • SystemWorks LLC
  • Waldinger Corporation
  • Willis Sheet Metal
  • Wood Roofing & Sheet Metal
  • Wood Shingle Co., Inc

Know Who You’re Looking For?