National Occupational Classification, TEER 2
NOC 72321: Insulators
Insulators apply insulation materials to plumbing, air-handling, heating, cooling and refrigeration systems, piping equipment and pressure vessels, and walls, floors and ceilings of buildings and other structures, to prevent or reduce the passage of heat, cold, sound or fire. Below are the main duties, all 24 job titles it covers, what it means for Express Entry and what it pays in each province.
Updated
- Official NOC 2021 data
- Job Bank wages
What is NOC 72321?
NOC 72321 is the code for insulators in the National Occupational Classification (NOC) 2021. Job titles in this group include boiler and pipe insulator, building insulator, firestopping insulator and heat and frost insulator. It is a TEER 2 occupation (usually a college diploma, an apprenticeship of 2 or more years, or a supervisory role), so it counts as skilled work for the Federal Skilled Worker Program and the Canadian Experience Class. The Job Bank median wage across Canada is $37.61 an hour.
- NOC code
- 72321
- TEER
- 2: College diploma or apprenticeship of 2+ years
- Broad category
- Trades, transport and equipment operators and related occupations
- Express Entry
- Skilled (TEER 0 to 3)
- Category draws
- None
- Median wage
- $37.61 an hour
Job titles under NOC 72321
Insulators apply insulation materials to plumbing, air-handling, heating, cooling and refrigeration systems, piping equipment and pressure vessels, and walls, floors and ceilings of buildings and other structures, to prevent or reduce the passage of heat, cold, sound or fire. They are employed by construction companies and insulation contractors, or they may be self-employed. Apprentices are also included in this unit group.
Main job titles
- boiler and pipe insulator
- building insulator
- firestopping insulator
- heat and frost insulator
- insulation applicator
- insulation mechanic
- insulator
- insulator apprentice
- sound insulator
All 24 job titles in the NOC index
apprentice insulator, asbestos insulator, boat and ship insulator, boiler and pipe insulator, boiler insulator, building insulator, cork insulation installer, fibreglass insulation installer, fire protection insulator, firestopping insulator, foamed insulation applicator, heat and frost insulator, insulation applicator, insulation installer, insulation mechanic, insulator, insulator apprentice, journeyman/woman insulator, pipe insulator, plastic insulation applicator, refrigeration and air conditioning equipment insulator, residential insulation installer, sound insulator, soundproof material installer.
Main duties of NOC 72321
This group performs some or all of the following duties:
- Read and interpret drawings and specifications to determine insulation requirements and select type of insulation required
- Measure and cut insulating material to required dimensions using hand and power tools
- Apply and secure insulation using spraying, blowing, pasting, strapping, taping and other application and installation methods
- Fit insulation around obstructions and between studs and joists
- Install vapour barriers
- Apply waterproofing cement over insulating materials to finish surfaces
- Remove asbestos or urea-formaldehyde insulation from buildings when required.
Employment requirements
- Completion of secondary school is usually required.
- Completion of a three- to four-year apprenticeship program or A combination of over four years of work experience in the trade and some high school, college or industry courses in insulating is usually required to be eligible for trade certification.
- Trade certification for insulators (heat and frost) is compulsory in Quebec and available, but voluntary, in Newfoundland and Labrador, Nova Scotia, Prince Edward Island, New Brunswick, Manitoba, Saskatchewan, Alberta, British Columbia, the Yukon, the Northwest Territories and Nunavut.
- Red Seal endorsement is also available to qualified insulators (heat and frost) upon successful completion of the interprovincial Red Seal examination.
Additional information
- The Red Seal endorsement allows for interprovincial mobility.
- Progression to supervisory positions is possible with experience.
Is NOC 72321 eligible for Express Entry?
Yes for the programs that need skilled work: TEER 2 is in the TEER 0 to 3 range IRCC accepts.
| Program or draw | NOC 72321 |
|---|---|
| Federal Skilled Worker Program | Counts as skilled work (TEER 0 to 3) |
| Canadian Experience Class | Counts as skilled work (TEER 0 to 3) |
| Federal Skilled Trades Program | A listed skilled trade |
| Occupation category draws (2026) | Not on any occupation list |
| French-language proficiency (category draw) | Open to any occupation with NCLC 7 in French |
Read how TEER categories work and the full list of NOC codes in each 2026 category draw. Category draws also need at least 12 months of full-time work (or the same amount part-time) in one listed occupation within the past 3 years.
How much does NOC 72321 pay?
Job Bank wages for this occupation, per hour. Low and high are, in most cases, the 10th and 90th percentiles, so 8 in 10 workers earn somewhere between them.
| Area | Low | Median | High |
|---|---|---|---|
| Canada | $23.00 | $37.61 | $48.65 |
| Newfoundland and Labrador | $25.00 | $40.36 | $51.00 |
| Nova Scotia | $20.00 | $36.24 | $46.27 |
| New Brunswick | $20.00 | $30.65 | $40.88 |
| Quebec | $26.33 | $43.00 | $46.92 |
| Ontario | $22.00 | $35.00 | $48.88 |
| Manitoba | $20.00 | $30.00 | $36.42 |
| Saskatchewan | $21.75 | $39.19 | $47.06 |
| Alberta | $24.00 | $40.00 | $50.00 |
| British Columbia | $23.82 | $32.50 | $45.99 |
Source: Job Bank, Employment and Social Development Canada (Job Bank 2025 wages, revised November 19, 2025), data from 2023-2024 (Employment Insurance Survey Data). Wages for job offers in LMIA and provincial programs are compared with these figures, so check the current numbers on Job Bank before you rely on them.
Using NOC 72321 duties on your resume
Canadian resumes do not list NOC codes. Employers read your job titles, what you did and what came of it. The NOC duties are still a useful checklist: if you did these tasks, say so in your own words and add the numbers that prove it.
For Express Entry, the reference letter from your employer should describe the duties you really performed, in line with this lead statement and most of the main duties, without copying the NOC text word for word. The free reference letter generator checks your duties against NOC 72321 as you write.
- Start each bullet with a strong verb and end it with a result: how many, how often, how fast.
- Use the job title your employer used, even if the NOC title is different.
- Keep immigration details such as your NOC code and permit type off the resume.
Turn my duties into a resume Free to start, no card.
Where this information comes from
Occupation codes, titles and descriptions are adapted from Statistics Canada, National Occupational Classification (NOC) 2021 Version 1.0. This does not constitute an endorsement by Statistics Canada of this product.
Wages come from Job Bank, Employment and Social Development Canada (Job Bank 2025 wages, revised November 19, 2025). Contains information licensed under the Open Government Licence – Canada.
Express Entry rules come from Immigration, Refugees and Citizenship Canada (IRCC): the program pages for the Federal Skilled Worker Program, the Canadian Experience Class and the Federal Skilled Trades Program, and the category-based selection page as modified on June 22, 2026.
Frequently asked questions
What is the NOC code for a boiler and pipe insulator?
NOC 72321, Insulators, a TEER 2 occupation in NOC 2021.
What TEER is NOC 72321?
TEER 2. Usually a college diploma, an apprenticeship of 2 or more years, or a supervisory role. The TEER is the second digit of the code. See all TEER categories.
Is NOC 72321 eligible for Express Entry?
Yes. As a TEER 2 occupation it counts as skilled work for the Federal Skilled Worker Program and the Canadian Experience Class, and it is also a listed Federal Skilled Trades occupation. You still have to meet every other requirement, and your duties must match the NOC description.
Is NOC 72321 in an Express Entry category-based draw?
No. It is not on any 2026 occupation list. The French-language proficiency category is open to any occupation if you reach NCLC 7 in French. See every category.
How much does NOC 72321 pay in Canada?
The Job Bank median across Canada is $37.61 an hour, with most wages between $23.00 and $48.65. Pay varies by province: see the table above.
Where is the official description?
On the Statistics Canada and ESDC NOC site: search 72321 in NOC 2021 Version 1.0. This page shows the same text, from the open data Statistics Canada publishes.
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More on NOC codes and Canadian resumes
- NOC Code Finder: Describe your duties and get your NOC 2021 code, TEER and Express Entry eligibility. Free.
- NOC Codes Canada: Full List: All 516 NOC 2021 codes with their TEER, duties and wages.
- TEER Categories Explained: What TEER 0 to 5 means, which count for Express Entry, and every job in each one.
- Express Entry Category Draws: NOC Codes: Every NOC code on the 2026 healthcare, STEM, trades, education and other lists.
- Canadian Resume Examples by Job: Real examples for cashiers, caregivers, trades, tech, students and more.
- Newcomer Resume Guide: Turn international experience into a resume Canadian employers understand.