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Insulation Workers, Mechanical

Apply insulating materials to pipes or ductwork, or other mechanical systems in order to help control and maintain temperature.

Median Annual Pay
$53,920
Range: $38,910 - $90,760
Training Time
Less than 6 months
AI Resilience
🟡AI-Augmented
Education
High school diploma or equivalent

📋Key Responsibilities

  • Measure and cut insulation for covering surfaces, using tape measures, handsaws, knives, and scissors.
  • Apply, remove, and repair insulation on industrial equipment, pipes, ductwork, or other mechanical systems such as heat exchangers, tanks, and vessels, to help control noise and maintain temperatures.
  • Select appropriate insulation, such as fiberglass, Styrofoam, or cork, based on the heat retaining or excluding characteristics of the material.
  • Fit insulation around obstructions, and shape insulating materials and protective coverings as required.
  • Determine the amounts and types of insulation needed, and methods of installation, based on factors such as location, surface shape, and equipment use.
  • Cover, seal, or finish insulated surfaces or access holes with plastic covers, canvas strips, sealants, tape, cement, or asphalt mastic.
  • Install sheet metal around insulated pipes with screws to protect the insulation from weather conditions or physical damage.
  • Read blueprints and specifications to determine job requirements.

💡Inside This Career

The mechanical insulation worker covers pipes, ducts, and equipment—applying insulation to industrial systems, boilers, and HVAC equipment to control temperature and prevent condensation. A typical day centers on mechanical insulation. Perhaps 80% of time goes to installation: measuring pipes and equipment, cutting insulation materials, wrapping and securing coverings, applying protective jacketing. Another 15% involves preparation—accessing equipment, staging materials, working around operating systems. The remaining time addresses documentation and coordination.

People who thrive as mechanical insulators combine precision with industrial awareness and the ability to work around operating systems. Successful workers develop expertise with various insulation materials while building the fitting skills that complex equipment demands. They must achieve complete coverage on irregular shapes. Those who struggle often cannot adapt to different system configurations or find the industrial environments challenging. Others fail because they cannot work safely around operating equipment.

Mechanical insulation represents specialized industrial work, with workers insulating the systems that control temperature in power plants, refineries, and commercial buildings. The trade requires understanding both materials and industrial systems. Mechanical insulators appear in discussions of industrial trades, energy efficiency, and the workers who insulate infrastructure.

Practitioners cite the industrial exposure and the specialized skills as primary rewards. Working in power plants and refineries is interesting. The specialized knowledge is valued. The union provides strong training and benefits. The compensation reflects the industrial nature. The energy efficiency contribution is meaningful. The variety of facilities provides interest. Common frustrations include the conditions and the access challenges. Many find that working in operating plants exposes workers to heat, noise, and hazards. Accessing systems requires awkward positioning. Shutdown schedules create intense work periods. The industrial environments can be harsh. Asbestos abatement history creates stigma for the trade.

This career requires mechanical insulation apprenticeship. Strong fitting skills, industrial awareness, and safety consciousness are essential. The role suits those who want industrial trade work and can handle plant environments. It is poorly suited to those uncomfortable in industrial settings, wanting clean work environments, or preferring outdoor work. Compensation is good for specialized industrial trade work.

📈Career Progression

1
Entry (10th %ile)
0-2 years experience
$38,910
$35,019 - $42,801
2
Early Career (25th %ile)
2-6 years experience
$46,090
$41,481 - $50,699
3
Mid-Career (Median)
5-15 years experience
$53,920
$48,528 - $59,312
4
Experienced (75th %ile)
10-20 years experience
$71,200
$64,080 - $78,320
5
Expert (90th %ile)
15-30 years experience
$90,760
$81,684 - $99,836

📚Education & Training

Requirements

  • Entry Education: High school diploma or equivalent
  • Experience: Some experience helpful
  • On-the-job Training: Few months to one year

Time & Cost

Education Duration
0-0 years (typically 0)
Estimated Education Cost
$0 - $0
Can earn while learning
Source: college board (2024)

🤖AI Resilience Assessment

AI Resilience Assessment

Low Exposure: AI has limited applicability to this work; stable employment prospects

🟡AI-Augmented
Task Exposure
Low

How much of this job involves tasks AI can currently perform

Automation Risk
Low

Likelihood that AI replaces workers vs. assists them

Job Growth
Stable
+5% over 10 years

(BLS 2024-2034)

Human Advantage
Moderate

How much this role relies on distinctly human capabilities

Sources: AIOE Dataset (Felten et al. 2021), BLS Projections 2024-2034, EPOCH FrameworkUpdated: 2026-01-02

💻Technology Skills

Estimating softwareMicrosoft OfficeMaterial calculatorsTechnical documentation

Key Abilities

Trunk Strength
Problem Sensitivity
Extent Flexibility
Oral Comprehension
Oral Expression
Information Ordering
Selective Attention
Arm-Hand Steadiness
Manual Dexterity
Multilimb Coordination

🏷️Also Known As

AC Insulation Installer (Air Conditioning Insulation Installer)Blanket MakerBoiler CovererCommercial InsulatorDuct InsulatorFirestopper InstallerFirestopper Technician (Firestopper Tech)Heat and Frost InsulatorIndustrial InsulatorIndustrial Pipe Insulator+5 more

🔗Related Careers

Other careers in construction

🔗Data Sources

Last updated: 2025-12-27O*NET Code: 47-2132.00

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