Heat & Frost Insulators and Asbestos Workers

Four (4) year apprenticeship NATURE OF THE TRADE:

An Insulator is a construction professional who works at mechanical duct and pipe insulation and HVAC covering and domestic water covering for commercial and industrial projects.


  • At least 18 years of age
  • High School Diploma or GED
  • Birth Certificate


Insulators participate in an apprenticeship- training program before becoming a Journeyman Mechanic. The term of apprenticeship is four years of classroom training for a minimum of 160 hours a year, one day a week, in addition they work 1,760 hours of on-the- job training. The classroom instruction consists of preparation, tools, materials, equipment, book work, mechanical pipe and duct mock ups, and many different safety related instruction.


An apprentice’s starting wage package starts at 55% of Journeyworker wages, with incremental increases throughout the apprenticeship. An apprentice receives benefits such as health insurance and a pension.


Applications are accepted Tuesday – Thursday, from 7 a.m. until 3 p.m. at the Union Hall in Des Moines Iowa or online at www.insulators74.org.

Local #74
333 SW 9th Street, Suite K
Des Moines, IA 50309
Phone: (515) 288-0472

For more info on this apprenticeship program contact:
Jeremy Heimbaugh