Heat and frost insulators work with more than just heating and cooling, they also help reduce the passage of sound, air, smoke and fire. They are essential to every large institutional, commercial and industrial construction project in the country, as well as residential construction.

You are detail-oriented.

You are comfortable working at heights and in cramped spaces.

You have an interest in staying current on building codes and guidelines.


  • Apply and secure insulation using spraying, blowing, pasting, strapping, taping and other application and installation methods
  • Read and interpret specifications to select the type of insulation required
  • Measure and cut insulating materials using hand and power tools
  • Install vapour barriers and fire-retardant materials
  • Apply waterproofing cement over insulating materials to finish surfaces
  • Remove asbestos or urea-formaldehyde insulation from buildings

Key Skills & Attributes

(technical training and on the job)

  • Strong communication skills, reading and numeracy
  • Strong problem-solving and planning skills
  • Ability to interpret specifications and shop drawings
  • Physical fitness
  • Ability to work at heights
  • Ability to work outdoors in diverse weather
  • Experience using machinery

What You’ll Need

Entrance Requirements

Apprenticeship Program:

4 years, includes technical training, on-the-job training and exam. Journeyperson certificate awarded after successful completion. As an apprentice, you also earn while you learn.

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Hourly Pay

$27 – $29/hr

Projected Construction Worker Retirements

~8,100 by 2029*

*BuildForce Canada

Did You Know?

Insulators play a key role in helping the environment by ensuring proper insulation is used that can significantly save energy and reduce greenhouse gas emissions and pollution.