Heat and Frost Insulator

A Heat and Frost Insulator works with insulating material to prevent or reduce the passage of heat, cold, vapour, moisture, sound or fire. A Heat and Frost Insulator installs, repairs and maintains insulating materials used on systems and equipment as well as walls, floors and ceilings of buildings and may also lay out and fabricate parts on-site, remove or seal-off old insulation. Specifically, a Heat and Frost Insulator:

  • reads and interprets drawings and specifications to determine insulation requirements
  • selects the amount and type of insulation to be installed
  • measures and cuts insulating material to the required dimensions
  • applies, installs, repairs and maintains insulating material
  • installs fire-stopping insulation
  • applies metal and plastic finishes

Red Seal Badge Red Seal trade

Refractory Mason

A Refractory Mason:

  • Builds and repairs heat and corrosion resistant structures and vessels such as furnaces, tanks, and containers

*IMPORTANT NOTICE*
Please note this trade has been designated as inactive and is no longer accepting apprenticeship registrations indefinitely following a 3-month evaluation period assessing the program’s viability. To learn more about the review process, please see: STO initiates review of 18 apprenticeship programs – Skilled Trades Ontario.