Red Seal

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 confined spaces.

Good problem-solving and math skills.


  • Read and interpret specifications to select the type of insulation required.
  • Apply and secure insulation using spraying, blowing, pasting, strapping, taping and other application and installation methods.
  • 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

  • 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.

Entering the Trade

  • Is there a training pathway for this trade?: Yes
  • Number of Levels: 4
  • Total Required Apprenticeship Hours: 7,200
  • Total Hours Required to Challenge Exam as a Trade Qualifier: 10,800

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Salary Range

$41.17 – $42.83/hr

*Based on 2023 collective agreement Journeyperson hourly rate

Projected Construction Worker Retirements

~6,500 by 2032*

*BuildForce Canada 10-Year Workforce Outlook for NB

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.