Training Program :: Heat & Frost Insulator Apprenticeship

Institution Profile

Organization: various


Address: 1320 Harbor Bay Pkwy. #222

City: Alameda

State: CA, 94502

Location Website:

Program Website:

Program Type: Apprenticeship

Phone: (510) 769-4200

Fax: (510) 769-4201

Program Description

The function of an insulator is to insulate mechanical structures, whether hot or cold, from ambient temperatures. Any surfaces having low, medium or high temperatures, such as boilers, refrigeration units, furnaces, heat exchangers, many pipes, tanks, etc., found in powerhouses, refineries, aboard ships, in high-rise buildings, will be insulated by our mechanics for process control, for fire protection, for personnel protection or for sound reduction. After the insulation has been applied, protective covers, coatings and jacketing are also fabricated and installed.

Application Process

Applications are accepted on an ongoing basis.


Our program is sponsored jointly by the Heat and Frost Insulators and Asbestos Workers Union and Western Insulation Contractors Association. All participating apprentices are afforded excellent medical, vacation and pension plan benefits.

Additional Information

  • Must be at least 18 years of age. There is no maximum age.
  • Applicant must be in good health and physically able to perform all phases of the work.
  • Must be a high school graduate (or equivalent), must have completed one year of geometry with a minimum grade of ā€œCā€.
  • Related Training Classes are conducted only in English.
  • Applicant must complete all application forms and must be legally employable in the United States of America.
  • Applicant must possess a current, valid drivers license allowing the applicant to operate a motor vehicle in California and/or Nevada.

Cal Apprenticeship Logo

Program Length

To complete the program, apprentices must work at least 6000 hours on the job, rotating through various work processes. This is to obtain a well rounded exposure to the trade. Apprentices must also attend at least 576 hours to training classes (144 hours per year for four years) at the Insulators Apprentice Training Center.